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-rw-r--r--drivers/Kconfig2
-rw-r--r--drivers/Makefile7
-rw-r--r--drivers/acpi/acpi_processor.c25
-rw-r--r--drivers/acpi/blacklist.c54
-rw-r--r--drivers/acpi/device_pm.c14
-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/fan.c8
-rw-r--r--drivers/acpi/int340x_thermal.c11
-rw-r--r--drivers/acpi/pci_irq.c11
-rw-r--r--drivers/acpi/processor_core.c65
-rw-r--r--drivers/acpi/processor_idle.c2
-rw-r--r--drivers/acpi/resource.c2
-rw-r--r--drivers/acpi/scan.c17
-rw-r--r--drivers/acpi/utils.c12
-rw-r--r--drivers/acpi/video.c37
-rw-r--r--drivers/android/Kconfig37
-rw-r--r--drivers/android/Makefile3
-rw-r--r--drivers/android/binder.c (renamed from drivers/staging/android/binder.c)6
-rw-r--r--drivers/android/binder_trace.h (renamed from drivers/staging/android/binder_trace.h)0
-rw-r--r--drivers/ata/Kconfig3
-rw-r--r--drivers/ata/ahci.c1
-rw-r--r--drivers/ata/ahci_xgene.c14
-rw-r--r--drivers/ata/libahci.c2
-rw-r--r--drivers/ata/libata-core.c36
-rw-r--r--drivers/ata/libata-eh.c1
-rw-r--r--drivers/ata/libata-scsi.c10
-rw-r--r--drivers/ata/libata-sff.c12
-rw-r--r--drivers/ata/sata_dwc_460ex.c26
-rw-r--r--drivers/ata/sata_sil24.c2
-rw-r--r--drivers/base/power/domain.c3
-rw-r--r--drivers/base/power/opp.c117
-rw-r--r--drivers/block/null_blk.c2
-rw-r--r--drivers/block/nvme-core.c177
-rw-r--r--drivers/block/rbd.c11
-rw-r--r--drivers/block/virtio_blk.c2
-rw-r--r--drivers/bluetooth/ath3k.c2
-rw-r--r--drivers/bluetooth/btusb.c1
-rw-r--r--drivers/bus/arm-cci.c3
-rw-r--r--drivers/char/agp/ali-agp.c2
-rw-r--r--drivers/char/agp/amd64-agp.c2
-rw-r--r--drivers/char/agp/ati-agp.c2
-rw-r--r--drivers/char/agp/backend.c2
-rw-r--r--drivers/char/agp/intel-agp.c2
-rw-r--r--drivers/char/agp/intel-gtt.c2
-rw-r--r--drivers/char/agp/nvidia-agp.c2
-rw-r--r--drivers/char/agp/via-agp.c2
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c46
-rw-r--r--drivers/char/ipmi/ipmi_ssif.c4
-rw-r--r--drivers/clk/at91/clk-programmable.c4
-rw-r--r--drivers/clk/at91/clk-slow.c27
-rw-r--r--drivers/clk/bcm/clk-kona.c4
-rw-r--r--drivers/clk/berlin/bg2q.c1
-rw-r--r--drivers/clk/clk-composite.c9
-rw-r--r--drivers/clk/clk-mux.c2
-rw-r--r--drivers/clk/clk-ppc-corenet.c2
-rw-r--r--drivers/clk/clk-s2mps11.c2
-rw-r--r--drivers/clk/clk.c42
-rw-r--r--drivers/clk/hisilicon/clk-hi3620.c72
-rw-r--r--drivers/clk/mmp/Makefile7
-rw-r--r--drivers/clk/mmp/clk-frac.c74
-rw-r--r--drivers/clk/mmp/clk-gate.c133
-rw-r--r--drivers/clk/mmp/clk-mix.c513
-rw-r--r--drivers/clk/mmp/clk-mmp2.c6
-rw-r--r--drivers/clk/mmp/clk-of-mmp2.c334
-rw-r--r--drivers/clk/mmp/clk-of-pxa168.c279
-rw-r--r--drivers/clk/mmp/clk-of-pxa910.c301
-rw-r--r--drivers/clk/mmp/clk-pxa168.c6
-rw-r--r--drivers/clk/mmp/clk-pxa910.c6
-rw-r--r--drivers/clk/mmp/clk.c192
-rw-r--r--drivers/clk/mmp/clk.h226
-rw-r--r--drivers/clk/mmp/reset.c99
-rw-r--r--drivers/clk/mmp/reset.h31
-rw-r--r--drivers/clk/pxa/Makefile1
-rw-r--r--drivers/clk/pxa/clk-pxa.c45
-rw-r--r--drivers/clk/pxa/clk-pxa.h9
-rw-r--r--drivers/clk/pxa/clk-pxa25x.c273
-rw-r--r--drivers/clk/pxa/clk-pxa27x.c9
-rw-r--r--drivers/clk/qcom/clk-pll.c2
-rw-r--r--drivers/clk/qcom/clk-rcg.c20
-rw-r--r--drivers/clk/qcom/clk-rcg2.c28
-rw-r--r--drivers/clk/rockchip/Makefile1
-rw-r--r--drivers/clk/rockchip/clk-cpu.c10
-rw-r--r--drivers/clk/rockchip/clk-mmc-phase.c154
-rw-r--r--drivers/clk/rockchip/clk-pll.c81
-rw-r--r--drivers/clk/rockchip/clk-rk3188.c106
-rw-r--r--drivers/clk/rockchip/clk-rk3288.c274
-rw-r--r--drivers/clk/rockchip/clk.c20
-rw-r--r--drivers/clk/rockchip/clk.h45
-rw-r--r--drivers/clk/samsung/Makefile2
-rw-r--r--drivers/clk/samsung/clk-exynos-audss.c33
-rw-r--r--drivers/clk/samsung/clk-exynos4.c2
-rw-r--r--drivers/clk/samsung/clk-exynos4415.c1144
-rw-r--r--drivers/clk/samsung/clk-exynos5260.c185
-rw-r--r--drivers/clk/samsung/clk-exynos7.c743
-rw-r--r--drivers/clk/samsung/clk-pll.c25
-rw-r--r--drivers/clk/samsung/clk-pll.h4
-rw-r--r--drivers/clk/samsung/clk.c102
-rw-r--r--drivers/clk/samsung/clk.h43
-rw-r--r--drivers/clk/shmobile/clk-div6.c113
-rw-r--r--drivers/clk/sunxi/Makefile1
-rw-r--r--drivers/clk/sunxi/clk-a20-gmac.c7
-rw-r--r--drivers/clk/sunxi/clk-factors.c6
-rw-r--r--drivers/clk/sunxi/clk-factors.h3
-rw-r--r--drivers/clk/sunxi/clk-mod0.c1
-rw-r--r--drivers/clk/sunxi/clk-sun6i-ar100.c4
-rw-r--r--drivers/clk/sunxi/clk-sun8i-mbus.c1
-rw-r--r--drivers/clk/sunxi/clk-sun9i-core.c271
-rw-r--r--drivers/clk/sunxi/clk-sunxi.c85
-rw-r--r--drivers/clocksource/arm_arch_timer.c2
-rw-r--r--drivers/cpufreq/cpufreq-dt.c11
-rw-r--r--drivers/cpufreq/cpufreq.c6
-rw-r--r--drivers/cpufreq/intel_pstate.c38
-rw-r--r--drivers/cpufreq/longhaul.c4
-rw-r--r--drivers/cpufreq/powernow-k6.c2
-rw-r--r--drivers/cpufreq/powernow-k7.c3
-rw-r--r--drivers/cpufreq/speedstep-ich.c3
-rw-r--r--drivers/cpuidle/cpuidle-powernv.c10
-rw-r--r--drivers/cpuidle/governors/ladder.c7
-rw-r--r--drivers/cpuidle/governors/menu.c25
-rw-r--r--drivers/dma/dw/core.c2
-rw-r--r--drivers/dma/dw/platform.c5
-rw-r--r--drivers/firewire/core-device.c3
-rw-r--r--drivers/firewire/ohci.c6
-rw-r--r--drivers/firewire/sbp2.c67
-rw-r--r--drivers/gpio/gpio-crystalcove.c2
-rw-r--r--drivers/gpio/gpio-dln2.c156
-rw-r--r--drivers/gpio/gpio-grgpio.c3
-rw-r--r--drivers/gpio/gpiolib-of.c10
-rw-r--r--drivers/gpio/gpiolib-sysfs.c92
-rw-r--r--drivers/gpio/gpiolib.c58
-rw-r--r--drivers/gpio/gpiolib.h1
-rw-r--r--drivers/gpu/drm/Makefile2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/Makefile3
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c320
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device.c20
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c28
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c6
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c176
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_pasid.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_priv.h33
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c9
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_topology.c10
-rw-r--r--drivers/gpu/drm/amd/include/kgd_kfd_interface.h17
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c2
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c8
-rw-r--r--drivers/gpu/drm/drm_irq.c60
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c12
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c8
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c11
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c6
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h7
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c38
-rw-r--r--drivers/gpu/drm/i915/i915_gem_context.c48
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c3
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c44
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h3
-rw-r--r--drivers/gpu/drm/i915/intel_display.c10
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c42
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c3
-rw-r--r--drivers/gpu/drm/i915/intel_runtime_pm.c27
-rw-r--r--drivers/gpu/drm/imx/Kconfig7
-rw-r--r--drivers/gpu/drm/imx/imx-drm-core.c5
-rw-r--r--drivers/gpu/drm/imx/imx-ldb.c5
-rw-r--r--drivers/gpu/drm/imx/imx-tve.c8
-rw-r--r--drivers/gpu/drm/imx/ipuv3-crtc.c5
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.c43
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.h2
-rw-r--r--drivers/gpu/drm/imx/parallel-display.c13
-rw-r--r--drivers/gpu/drm/msm/adreno/adreno_gpu.c6
-rw-r--r--drivers/gpu/drm/msm/hdmi/hdmi_connector.c53
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c11
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c12
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c12
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp_kms.c9
-rw-r--r--drivers/gpu/drm/msm/mdp/mdp_kms.h2
-rw-r--r--drivers/gpu/drm/msm/msm_atomic.c69
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c1
-rw-r--r--drivers/gpu/drm/msm/msm_drv.h4
-rw-r--r--drivers/gpu/drm/msm/msm_fbdev.c3
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c3
-rw-r--r--drivers/gpu/drm/nouveau/core/core/event.c4
-rw-r--r--drivers/gpu/drm/nouveau/core/core/notify.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/device/nve0.c33
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/bios/shadowramin.c6
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/fb/ramnvaa.c65
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c8
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c9
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c38
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_ttm.c3
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c8
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c4
-rw-r--r--drivers/gpu/drm/radeon/cik.c11
-rw-r--r--drivers/gpu/drm/radeon/cik_sdma.c10
-rw-r--r--drivers/gpu/drm/radeon/cikd.h2
-rw-r--r--drivers/gpu/drm/radeon/dce3_1_afmt.c2
-rw-r--r--drivers/gpu/drm/radeon/kv_dpm.c10
-rw-r--r--drivers/gpu/drm/radeon/ni.c10
-rw-r--r--drivers/gpu/drm/radeon/ni_dma.c6
-rw-r--r--drivers/gpu/drm/radeon/nid.h24
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c18
-rw-r--r--drivers/gpu/drm/radeon/radeon_gem.c28
-rw-r--r--drivers/gpu/drm/radeon/radeon_kfd.c76
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c33
-rw-r--r--drivers/gpu/drm/radeon/radeon_state.c2
-rw-r--r--drivers/gpu/drm/radeon/si.c10
-rw-r--r--drivers/gpu/drm/radeon/si_dma.c8
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c39
-rw-r--r--drivers/gpu/drm/radeon/sid.h18
-rw-r--r--drivers/gpu/drm/tegra/dc.c48
-rw-r--r--drivers/gpu/drm/tegra/drm.c16
-rw-r--r--drivers/gpu/drm/tegra/gem.c52
-rw-r--r--drivers/hid/Kconfig3
-rw-r--r--drivers/hid/hid-core.c1
-rw-r--r--drivers/hid/hid-ids.h1
-rw-r--r--drivers/hid/hid-input.c3
-rw-r--r--drivers/hid/hid-kye.c4
-rw-r--r--drivers/hid/hid-logitech-dj.c16
-rw-r--r--drivers/hid/hid-logitech-hidpp.c41
-rw-r--r--drivers/hid/hid-roccat-pyra.c8
-rw-r--r--drivers/hid/i2c-hid/i2c-hid.c5
-rw-r--r--drivers/hid/usbhid/hid-quirks.c1
-rw-r--r--drivers/hsi/clients/nokia-modem.c8
-rw-r--r--drivers/hsi/controllers/omap_ssi_port.c3
-rw-r--r--drivers/hwmon/Kconfig10
-rw-r--r--drivers/hwmon/Makefile1
-rw-r--r--drivers/hwmon/i5500_temp.c149
-rw-r--r--drivers/hwmon/lm75.c9
-rw-r--r--drivers/hwmon/ntc_thermistor.c6
-rw-r--r--drivers/hwmon/tmp102.c6
-rw-r--r--drivers/i2c/busses/Kconfig12
-rw-r--r--drivers/i2c/busses/Makefile1
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c328
-rw-r--r--drivers/i2c/busses/i2c-opal.c294
-rw-r--r--drivers/i2c/busses/i2c-sh_mobile.c112
-rw-r--r--drivers/iio/accel/st_accel.h3
-rw-r--r--drivers/iio/accel/st_accel_core.c22
-rw-r--r--drivers/iio/accel/st_accel_i2c.c3
-rw-r--r--drivers/iio/accel/st_accel_spi.c3
-rw-r--r--drivers/iio/adc/Kconfig14
-rw-r--r--drivers/iio/adc/Makefile1
-rw-r--r--drivers/iio/adc/ad799x.c15
-rw-r--r--drivers/iio/adc/exynos_adc.c62
-rw-r--r--drivers/iio/adc/mcp320x.c222
-rw-r--r--drivers/iio/adc/qcom-spmi-iadc.c595
-rw-r--r--drivers/iio/adc/rockchip_saradc.c64
-rw-r--r--drivers/iio/adc/vf610_adc.c45
-rw-r--r--drivers/iio/common/st_sensors/st_sensors_core.c126
-rw-r--r--drivers/iio/common/st_sensors/st_sensors_i2c.c1
-rw-r--r--drivers/iio/common/st_sensors/st_sensors_spi.c1
-rw-r--r--drivers/iio/gyro/st_gyro.h3
-rw-r--r--drivers/iio/gyro/st_gyro_core.c19
-rw-r--r--drivers/iio/gyro/st_gyro_i2c.c4
-rw-r--r--drivers/iio/gyro/st_gyro_spi.c4
-rw-r--r--drivers/iio/humidity/Kconfig10
-rw-r--r--drivers/iio/humidity/Makefile1
-rw-r--r--drivers/iio/humidity/si7020.c161
-rw-r--r--drivers/iio/inkern.c36
-rw-r--r--drivers/iio/magnetometer/st_magn.h3
-rw-r--r--drivers/iio/magnetometer/st_magn_core.c18
-rw-r--r--drivers/iio/magnetometer/st_magn_i2c.c3
-rw-r--r--drivers/iio/magnetometer/st_magn_spi.c3
-rw-r--r--drivers/iio/pressure/Kconfig11
-rw-r--r--drivers/iio/pressure/Makefile1
-rw-r--r--drivers/iio/pressure/bmp280.c455
-rw-r--r--drivers/iio/pressure/st_pressure.h3
-rw-r--r--drivers/iio/pressure/st_pressure_buffer.c12
-rw-r--r--drivers/iio/pressure/st_pressure_core.c49
-rw-r--r--drivers/iio/pressure/st_pressure_i2c.c11
-rw-r--r--drivers/iio/pressure/st_pressure_spi.c11
-rw-r--r--drivers/iio/proximity/as3935.c16
-rw-r--r--drivers/infiniband/Kconfig11
-rw-r--r--drivers/infiniband/core/Makefile1
-rw-r--r--drivers/infiniband/core/addr.c4
-rw-r--r--drivers/infiniband/core/multicast.c11
-rw-r--r--drivers/infiniband/core/umem.c72
-rw-r--r--drivers/infiniband/core/umem_odp.c668
-rw-r--r--drivers/infiniband/core/umem_rbtree.c94
-rw-r--r--drivers/infiniband/core/uverbs.h1
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c171
-rw-r--r--drivers/infiniband/core/uverbs_main.c5
-rw-r--r--drivers/infiniband/core/verbs.c3
-rw-r--r--drivers/infiniband/hw/amso1100/c2_provider.c2
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c7
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c2
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c28
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_mrmw.c2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_mr.c2
-rw-r--r--drivers/infiniband/hw/mlx4/main.c3
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c1
-rw-r--r--drivers/infiniband/hw/mlx5/Makefile1
-rw-r--r--drivers/infiniband/hw/mlx5/main.c45
-rw-r--r--drivers/infiniband/hw/mlx5/mem.c69
-rw-r--r--drivers/infiniband/hw/mlx5/mlx5_ib.h116
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c323
-rw-r--r--drivers/infiniband/hw/mlx5/odp.c798
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c197
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c6
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_ah.c5
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_mr.c2
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h19
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c18
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c27
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c49
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c239
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c22
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c104
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h30
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c6
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c102
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c91
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c1599
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h80
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c3
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c10
-rw-r--r--drivers/input/evdev.c60
-rw-r--r--drivers/input/gameport/gameport.c4
-rw-r--r--drivers/input/input.c26
-rw-r--r--drivers/input/joystick/xpad.c8
-rw-r--r--drivers/input/keyboard/Kconfig9
-rw-r--r--drivers/input/keyboard/Makefile2
-rw-r--r--drivers/input/keyboard/amikbd.c47
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-rw-r--r--drivers/thermal/thermal_core.h18
-rw-r--r--drivers/thermal/ti-soc-thermal/ti-thermal-common.c25
-rw-r--r--drivers/tty/n_tty.c9
-rw-r--r--drivers/tty/serial/8250/8250_dw.c2
-rw-r--r--drivers/tty/serial/8250/8250_mtk.c2
-rw-r--r--drivers/tty/serial/8250/8250_omap.c14
-rw-r--r--drivers/tty/serial/8250/8250_pci.c29
-rw-r--r--drivers/tty/serial/mfd.c7
-rw-r--r--drivers/tty/serial/msm_serial_hs.c2
-rw-r--r--drivers/tty/serial/omap-serial.c2
-rw-r--r--drivers/tty/serial/samsung.c56
-rw-r--r--drivers/tty/serial/serial_core.c4
-rw-r--r--drivers/tty/tty_io.c7
-rw-r--r--drivers/usb/chipidea/core.c2
-rw-r--r--drivers/usb/chipidea/host.c1
-rw-r--r--drivers/usb/core/Kconfig2
-rw-r--r--drivers/usb/dwc2/gadget.c10
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c4
-rw-r--r--drivers/usb/dwc3/gadget.c6
-rw-r--r--drivers/usb/gadget/function/f_hid.c5
-rw-r--r--drivers/usb/gadget/function/f_midi.c2
-rw-r--r--drivers/usb/gadget/function/f_uac1.c2
-rw-r--r--drivers/usb/gadget/legacy/inode.c2
-rw-r--r--drivers/usb/gadget/legacy/tcm_usb_gadget.c10
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.c19
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_ep.c3
-rw-r--r--drivers/usb/host/ehci-sched.c14
-rw-r--r--drivers/usb/host/ehci-tegra.c2
-rw-r--r--drivers/usb/host/isp1760-hcd.c2
-rw-r--r--drivers/usb/host/oxu210hp-hcd.c2
-rw-r--r--drivers/usb/host/pci-quirks.c18
-rw-r--r--drivers/usb/host/xhci-pci.c2
-rw-r--r--drivers/usb/host/xhci.c9
-rw-r--r--drivers/usb/musb/Kconfig4
-rw-r--r--drivers/usb/musb/blackfin.c2
-rw-r--r--drivers/usb/musb/musb_cppi41.c4
-rw-r--r--drivers/usb/musb/musb_debugfs.c34
-rw-r--r--drivers/usb/musb/musb_host.c1
-rw-r--r--drivers/usb/phy/Kconfig4
-rw-r--r--drivers/usb/phy/phy-mv-usb.c5
-rw-r--r--drivers/usb/phy/phy.c16
-rw-r--r--drivers/usb/serial/console.c16
-rw-r--r--drivers/usb/serial/cp210x.c4
-rw-r--r--drivers/usb/serial/generic.c4
-rw-r--r--drivers/usb/serial/keyspan.c20
-rw-r--r--drivers/usb/serial/option.c11
-rw-r--r--drivers/usb/serial/qcserial.c1
-rw-r--r--drivers/usb/storage/Kconfig2
-rw-r--r--drivers/usb/storage/uas-detect.h33
-rw-r--r--drivers/usb/storage/unusual_uas.h46
-rw-r--r--drivers/vfio/Kconfig2
-rw-r--r--drivers/vfio/pci/Kconfig8
-rw-r--r--drivers/vfio/pci/vfio_pci.c9
-rw-r--r--drivers/vfio/pci/vfio_pci_config.c7
-rw-r--r--drivers/vhost/net.c2
-rw-r--r--drivers/vhost/scsi.c24
-rw-r--r--drivers/vhost/vhost.c10
-rw-r--r--drivers/vhost/vringh.c125
-rw-r--r--drivers/video/fbdev/broadsheetfb.c8
-rw-r--r--drivers/video/fbdev/core/fb_defio.c5
-rw-r--r--drivers/video/fbdev/omap2/dss/hdmi_pll.c2
-rw-r--r--drivers/video/fbdev/omap2/dss/pll.c3
-rw-r--r--drivers/video/fbdev/omap2/dss/sdi.c2
-rw-r--r--drivers/video/fbdev/s3c-fb.c2
-rw-r--r--drivers/video/fbdev/sh_mobile_meram.c4
-rw-r--r--drivers/video/fbdev/simplefb.c2
-rw-r--r--drivers/video/logo/logo.c17
-rw-r--r--drivers/virtio/virtio.c37
-rw-r--r--drivers/virtio/virtio_balloon.c57
-rw-r--r--drivers/virtio/virtio_pci_common.c49
-rw-r--r--drivers/virtio/virtio_pci_common.h8
-rw-r--r--drivers/virtio/virtio_pci_legacy.c36
-rw-r--r--drivers/watchdog/cadence_wdt.c1
-rw-r--r--drivers/watchdog/imx2_wdt.c69
-rw-r--r--drivers/watchdog/meson_wdt.c1
-rw-r--r--drivers/xen/xen-scsiback.c2
1593 files changed, 51415 insertions, 95446 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index af02a8a8ec4a..694d5a70d6ce 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -184,4 +184,6 @@ source "drivers/ras/Kconfig"
source "drivers/thunderbolt/Kconfig"
+source "drivers/android/Kconfig"
+
endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 628b512b625b..527a6da8d539 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -50,7 +50,10 @@ obj-$(CONFIG_RESET_CONTROLLER) += reset/
obj-y += tty/
obj-y += char/
-# gpu/ comes after char for AGP vs DRM startup
+# iommu/ comes before gpu as gpu are using iommu controllers
+obj-$(CONFIG_IOMMU_SUPPORT) += iommu/
+
+# gpu/ comes after char for AGP vs DRM startup and after iommu
obj-y += gpu/
obj-$(CONFIG_CONNECTOR) += connector/
@@ -141,7 +144,6 @@ obj-y += clk/
obj-$(CONFIG_MAILBOX) += mailbox/
obj-$(CONFIG_HWSPINLOCK) += hwspinlock/
-obj-$(CONFIG_IOMMU_SUPPORT) += iommu/
obj-$(CONFIG_REMOTEPROC) += remoteproc/
obj-$(CONFIG_RPMSG) += rpmsg/
@@ -162,3 +164,4 @@ obj-$(CONFIG_MCB) += mcb/
obj-$(CONFIG_RAS) += ras/
obj-$(CONFIG_THUNDERBOLT) += thunderbolt/
obj-$(CONFIG_CORESIGHT) += coresight/
+obj-$(CONFIG_ANDROID) += android/
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 1fdf5e07a1c7..1020b1b53a17 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -170,7 +170,7 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
acpi_status status;
int ret;
- if (pr->apic_id == -1)
+ if (pr->phys_id == -1)
return -ENODEV;
status = acpi_evaluate_integer(pr->handle, "_STA", NULL, &sta);
@@ -180,13 +180,13 @@ static int acpi_processor_hotadd_init(struct acpi_processor *pr)
cpu_maps_update_begin();
cpu_hotplug_begin();
- ret = acpi_map_lsapic(pr->handle, pr->apic_id, &pr->id);
+ ret = acpi_map_cpu(pr->handle, pr->phys_id, &pr->id);
if (ret)
goto out;
ret = arch_register_cpu(pr->id);
if (ret) {
- acpi_unmap_lsapic(pr->id);
+ acpi_unmap_cpu(pr->id);
goto out;
}
@@ -215,7 +215,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
struct acpi_processor *pr = acpi_driver_data(device);
- int apic_id, cpu_index, device_declaration = 0;
+ int phys_id, cpu_index, device_declaration = 0;
acpi_status status = AE_OK;
static int cpu0_initialized;
unsigned long long value;
@@ -262,15 +262,18 @@ static int acpi_processor_get_info(struct acpi_device *device)
pr->acpi_id = value;
}
- apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id);
- if (apic_id < 0)
- acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n");
- pr->apic_id = apic_id;
+ phys_id = acpi_get_phys_id(pr->handle, device_declaration, pr->acpi_id);
+ if (phys_id < 0)
+ acpi_handle_debug(pr->handle, "failed to get CPU physical ID.\n");
+ pr->phys_id = phys_id;
- cpu_index = acpi_map_cpuid(pr->apic_id, pr->acpi_id);
+ cpu_index = acpi_map_cpuid(pr->phys_id, pr->acpi_id);
if (!cpu0_initialized && !acpi_has_cpu_in_madt()) {
cpu0_initialized = 1;
- /* Handle UP system running SMP kernel, with no LAPIC in MADT */
+ /*
+ * Handle UP system running SMP kernel, with no CPU
+ * entry in MADT
+ */
if ((cpu_index == -1) && (num_online_cpus() == 1))
cpu_index = 0;
}
@@ -458,7 +461,7 @@ static void acpi_processor_remove(struct acpi_device *device)
/* Remove the CPU. */
arch_unregister_cpu(pr->id);
- acpi_unmap_lsapic(pr->id);
+ acpi_unmap_cpu(pr->id);
cpu_hotplug_done();
cpu_maps_update_done();
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 7556e7c4a055..9b693d54c743 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -305,60 +305,6 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
*/
/*
- * Lenovo has a mix of systems OSI(Linux) situations
- * and thus we can not wildcard the vendor.
- *
- * _OSI(Linux) helps sound
- * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
- * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
- * T400, T500
- * _OSI(Linux) has Linux specific hooks
- * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
- * _OSI(Linux) is a NOP:
- * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
- * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
- */
- {
- .callback = dmi_enable_osi_linux,
- .ident = "Lenovo ThinkPad R61",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
- },
- },
- {
- .callback = dmi_enable_osi_linux,
- .ident = "Lenovo ThinkPad T61",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
- },
- },
- {
- .callback = dmi_enable_osi_linux,
- .ident = "Lenovo ThinkPad X61",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
- },
- },
- {
- .callback = dmi_enable_osi_linux,
- .ident = "Lenovo ThinkPad T400",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"),
- },
- },
- {
- .callback = dmi_enable_osi_linux,
- .ident = "Lenovo ThinkPad T500",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"),
- },
- },
- /*
* Without this this EEEpc exports a non working WMI interface, with
* this it exports a working "good old" eeepc_laptop interface, fixing
* both brightness control, and rfkill not working.
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 897640188acd..c0d44d394ca3 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -257,7 +257,7 @@ int acpi_bus_init_power(struct acpi_device *device)
device->power.state = ACPI_STATE_UNKNOWN;
if (!acpi_device_is_present(device))
- return 0;
+ return -ENXIO;
result = acpi_device_get_power(device, &state);
if (result)
@@ -680,13 +680,21 @@ static int acpi_device_wakeup(struct acpi_device *adev, u32 target_state,
if (error)
return error;
+ if (adev->wakeup.flags.enabled)
+ return 0;
+
res = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);
- if (ACPI_FAILURE(res)) {
+ if (ACPI_SUCCESS(res)) {
+ adev->wakeup.flags.enabled = 1;
+ } else {
acpi_disable_wakeup_device_power(adev);
return -EIO;
}
} else {
- acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
+ if (adev->wakeup.flags.enabled) {
+ acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
+ adev->wakeup.flags.enabled = 0;
+ }
acpi_disable_wakeup_device_power(adev);
}
return 0;
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 5f9b74b9b71f..1b5853f384e2 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -844,6 +844,8 @@ static int ec_install_handlers(struct acpi_ec *ec)
static void ec_remove_handlers(struct acpi_ec *ec)
{
+ if (!test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
+ return;
acpi_disable_gpe(NULL, ec->gpe);
if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index caf9b76b7ef8..7a36f02598a6 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -325,6 +325,7 @@ static int acpi_fan_probe(struct platform_device *pdev)
struct thermal_cooling_device *cdev;
struct acpi_fan *fan;
struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ char *name;
fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);
if (!fan) {
@@ -346,7 +347,12 @@ static int acpi_fan_probe(struct platform_device *pdev)
}
}
- cdev = thermal_cooling_device_register("Fan", device,
+ if (!strncmp(pdev->name, "PNP0C0B", strlen("PNP0C0B")))
+ name = "Fan";
+ else
+ name = acpi_device_bid(device);
+
+ cdev = thermal_cooling_device_register(name, device,
&fan_cooling_ops);
if (IS_ERR(cdev)) {
result = PTR_ERR(cdev);
diff --git a/drivers/acpi/int340x_thermal.c b/drivers/acpi/int340x_thermal.c
index a27d31d1ba24..9dcf83682e36 100644
--- a/drivers/acpi/int340x_thermal.c
+++ b/drivers/acpi/int340x_thermal.c
@@ -14,10 +14,10 @@
#include "internal.h"
-#define DO_ENUMERATION 0x01
+#define INT3401_DEVICE 0X01
static const struct acpi_device_id int340x_thermal_device_ids[] = {
- {"INT3400", DO_ENUMERATION },
- {"INT3401"},
+ {"INT3400"},
+ {"INT3401", INT3401_DEVICE},
{"INT3402"},
{"INT3403"},
{"INT3404"},
@@ -34,7 +34,10 @@ static int int340x_thermal_handler_attach(struct acpi_device *adev,
const struct acpi_device_id *id)
{
#if defined(CONFIG_INT340X_THERMAL) || defined(CONFIG_INT340X_THERMAL_MODULE)
- if (id->driver_data == DO_ENUMERATION)
+ acpi_create_platform_device(adev);
+#elif defined(INTEL_SOC_DTS_THERMAL) || defined(INTEL_SOC_DTS_THERMAL_MODULE)
+ /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */
+ if (id->driver_data == INT3401_DEVICE)
acpi_create_platform_device(adev);
#endif
return 1;
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 7cc4e33179f9..5277a0ee5704 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -413,6 +413,9 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
return 0;
}
+ if (dev->irq_managed && dev->irq > 0)
+ return 0;
+
entry = acpi_pci_irq_lookup(dev, pin);
if (!entry) {
/*
@@ -456,6 +459,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
return rc;
}
dev->irq = rc;
+ dev->irq_managed = 1;
if (link)
snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link);
@@ -478,7 +482,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
u8 pin;
pin = dev->pin;
- if (!pin)
+ if (!pin || !dev->irq_managed || dev->irq <= 0)
return;
/* Keep IOAPIC pin configuration when suspending */
@@ -506,6 +510,9 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
*/
dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin));
- if (gsi >= 0 && dev->irq > 0)
+ if (gsi >= 0) {
acpi_unregister_gsi(gsi);
+ dev->irq = 0;
+ dev->irq_managed = 0;
+ }
}
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index ef58f46c8442..02e48394276c 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -69,7 +69,7 @@ static int map_madt_entry(int type, u32 acpi_id)
unsigned long madt_end, entry;
static struct acpi_table_madt *madt;
static int read_madt;
- int apic_id = -1;
+ int phys_id = -1; /* CPU hardware ID */
if (!read_madt) {
if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
@@ -79,7 +79,7 @@ static int map_madt_entry(int type, u32 acpi_id)
}
if (!madt)
- return apic_id;
+ return phys_id;
entry = (unsigned long)madt;
madt_end = entry + madt->header.length;
@@ -91,18 +91,18 @@ static int map_madt_entry(int type, u32 acpi_id)
struct acpi_subtable_header *header =
(struct acpi_subtable_header *)entry;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
- if (!map_lapic_id(header, acpi_id, &apic_id))
+ if (!map_lapic_id(header, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
- if (!map_x2apic_id(header, type, acpi_id, &apic_id))
+ if (!map_x2apic_id(header, type, acpi_id, &phys_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
- if (!map_lsapic_id(header, type, acpi_id, &apic_id))
+ if (!map_lsapic_id(header, type, acpi_id, &phys_id))
break;
}
entry += header->length;
}
- return apic_id;
+ return phys_id;
}
static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
@@ -110,7 +110,7 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
struct acpi_subtable_header *header;
- int apic_id = -1;
+ int phys_id = -1;
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
goto exit;
@@ -125,53 +125,52 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
}
header = (struct acpi_subtable_header *)obj->buffer.pointer;
- if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
- map_lapic_id(header, acpi_id, &apic_id);
- } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
- map_lsapic_id(header, type, acpi_id, &apic_id);
- } else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
- map_x2apic_id(header, type, acpi_id, &apic_id);
- }
+ if (header->type == ACPI_MADT_TYPE_LOCAL_APIC)
+ map_lapic_id(header, acpi_id, &phys_id);
+ else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC)
+ map_lsapic_id(header, type, acpi_id, &phys_id);
+ else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC)
+ map_x2apic_id(header, type, acpi_id, &phys_id);
exit:
kfree(buffer.pointer);
- return apic_id;
+ return phys_id;
}
-int acpi_get_apicid(acpi_handle handle, int type, u32 acpi_id)
+int acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id)
{
- int apic_id;
+ int phys_id;
- apic_id = map_mat_entry(handle, type, acpi_id);
- if (apic_id == -1)
- apic_id = map_madt_entry(type, acpi_id);
+ phys_id = map_mat_entry(handle, type, acpi_id);
+ if (phys_id == -1)
+ phys_id = map_madt_entry(type, acpi_id);
- return apic_id;
+ return phys_id;
}
-int acpi_map_cpuid(int apic_id, u32 acpi_id)
+int acpi_map_cpuid(int phys_id, u32 acpi_id)
{
#ifdef CONFIG_SMP
int i;
#endif
- if (apic_id == -1) {
+ if (phys_id == -1) {
/*
* On UP processor, there is no _MAT or MADT table.
- * So above apic_id is always set to -1.
+ * So above phys_id is always set to -1.
*
* BIOS may define multiple CPU handles even for UP processor.
* For example,
*
* Scope (_PR)
- * {
+ * {
* Processor (CPU0, 0x00, 0x00000410, 0x06) {}
* Processor (CPU1, 0x01, 0x00000410, 0x06) {}
* Processor (CPU2, 0x02, 0x00000410, 0x06) {}
* Processor (CPU3, 0x03, 0x00000410, 0x06) {}
* }
*
- * Ignores apic_id and always returns 0 for the processor
+ * Ignores phys_id and always returns 0 for the processor
* handle with acpi id 0 if nr_cpu_ids is 1.
* This should be the case if SMP tables are not found.
* Return -1 for other CPU's handle.
@@ -179,28 +178,28 @@ int acpi_map_cpuid(int apic_id, u32 acpi_id)
if (nr_cpu_ids <= 1 && acpi_id == 0)
return acpi_id;
else
- return apic_id;
+ return phys_id;
}
#ifdef CONFIG_SMP
for_each_possible_cpu(i) {
- if (cpu_physical_id(i) == apic_id)
+ if (cpu_physical_id(i) == phys_id)
return i;
}
#else
/* In UP kernel, only processor 0 is valid */
- if (apic_id == 0)
- return apic_id;
+ if (phys_id == 0)
+ return phys_id;
#endif
return -1;
}
int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
{
- int apic_id;
+ int phys_id;
- apic_id = acpi_get_apicid(handle, type, acpi_id);
+ phys_id = acpi_get_phys_id(handle, type, acpi_id);
- return acpi_map_cpuid(apic_id, acpi_id);
+ return acpi_map_cpuid(phys_id, acpi_id);
}
EXPORT_SYMBOL_GPL(acpi_get_cpuid);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 499536504698..87b704e41877 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -985,8 +985,6 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
state->flags = 0;
switch (cx->type) {
case ACPI_STATE_C1:
- if (cx->entry_method != ACPI_CSTATE_FFH)
- state->flags |= CPUIDLE_FLAG_TIME_INVALID;
state->enter = acpi_idle_enter_c1;
state->enter_dead = acpi_idle_play_dead;
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 2ba8f02ced36..782a0d15c25f 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -200,7 +200,7 @@ bool acpi_dev_resource_address_space(struct acpi_resource *ares,
status = acpi_resource_to_address64(ares, &addr);
if (ACPI_FAILURE(status))
- return true;
+ return false;
res->start = addr.minimum;
res->end = addr.maximum;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 1b1cf558d3d3..dc4d8960684a 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1001,7 +1001,7 @@ static void acpi_free_power_resources_lists(struct acpi_device *device)
if (device->wakeup.flags.valid)
acpi_power_resources_list_free(&device->wakeup.resources);
- if (!device->flags.power_manageable)
+ if (!device->power.flags.power_resources)
return;
for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3_HOT; i++) {
@@ -1744,10 +1744,8 @@ static void acpi_bus_get_power_flags(struct acpi_device *device)
device->power.flags.power_resources)
device->power.states[ACPI_STATE_D3_COLD].flags.os_accessible = 1;
- if (acpi_bus_init_power(device)) {
- acpi_free_power_resources_lists(device);
+ if (acpi_bus_init_power(device))
device->flags.power_manageable = 0;
- }
}
static void acpi_bus_get_flags(struct acpi_device *device)
@@ -2214,7 +2212,7 @@ static void acpi_device_dep_initialize(struct acpi_device *adev)
status = acpi_evaluate_reference(adev->handle, "_DEP", NULL,
&dep_devices);
if (ACPI_FAILURE(status)) {
- dev_err(&adev->dev, "Failed to evaluate _DEP.\n");
+ dev_dbg(&adev->dev, "Failed to evaluate _DEP.\n");
return;
}
@@ -2224,7 +2222,7 @@ static void acpi_device_dep_initialize(struct acpi_device *adev)
status = acpi_get_object_info(dep_devices.handles[i], &info);
if (ACPI_FAILURE(status)) {
- dev_err(&adev->dev, "Error reading device info\n");
+ dev_dbg(&adev->dev, "Error reading _DEP device info\n");
continue;
}
@@ -2371,13 +2369,18 @@ static void acpi_bus_attach(struct acpi_device *device)
/* Skip devices that are not present. */
if (!acpi_device_is_present(device)) {
device->flags.visited = false;
+ device->flags.power_manageable = 0;
return;
}
if (device->handler)
goto ok;
if (!device->flags.initialized) {
- acpi_bus_update_power(device, NULL);
+ device->flags.power_manageable =
+ device->power.states[ACPI_STATE_D0].flags.valid;
+ if (acpi_bus_init_power(device))
+ device->flags.power_manageable = 0;
+
device->flags.initialized = true;
}
device->flags.visited = false;
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index dd8ff63ee2b4..cd49a3982b6a 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -346,22 +346,16 @@ acpi_evaluate_reference(acpi_handle handle,
package = buffer.pointer;
if ((buffer.length == 0) || !package) {
- printk(KERN_ERR PREFIX "No return object (len %X ptr %p)\n",
- (unsigned)buffer.length, package);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (package->type != ACPI_TYPE_PACKAGE) {
- printk(KERN_ERR PREFIX "Expecting a [Package], found type %X\n",
- package->type);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
}
if (!package->package.count) {
- printk(KERN_ERR PREFIX "[Package] has zero elements (%p)\n",
- package);
status = AE_BAD_DATA;
acpi_util_eval_error(handle, pathname, status);
goto end;
@@ -380,17 +374,13 @@ acpi_evaluate_reference(acpi_handle handle,
if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
status = AE_BAD_DATA;
- printk(KERN_ERR PREFIX
- "Expecting a [Reference] package element, found type %X\n",
- element->type);
acpi_util_eval_error(handle, pathname, status);
break;
}
if (!element->reference.handle) {
- printk(KERN_WARNING PREFIX "Invalid reference in"
- " package %s\n", pathname);
status = AE_NULL_ENTRY;
+ acpi_util_eval_error(handle, pathname, status);
break;
}
/* Get the acpi_handle. */
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 185a57d13723..032db459370f 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -155,6 +155,7 @@ struct acpi_video_bus {
u8 dos_setting;
struct acpi_video_enumerated_device *attached_array;
u8 attached_count;
+ u8 child_count;
struct acpi_video_bus_cap cap;
struct acpi_video_bus_flags flags;
struct list_head video_device_list;
@@ -504,6 +505,33 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
},
},
+
+ {
+ .callback = video_disable_native_backlight,
+ .ident = "SAMSUNG 870Z5E/880Z5E/680Z5E",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "870Z5E/880Z5E/680Z5E"),
+ },
+ },
+ {
+ .callback = video_disable_native_backlight,
+ .ident = "SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
+ },
+ },
+
+ {
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
+ .callback = video_disable_native_backlight,
+ .ident = "Dell XPS15 L521X",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"),
+ },
+ },
{}
};
@@ -1159,8 +1187,12 @@ static bool acpi_video_device_in_dod(struct acpi_video_device *device)
struct acpi_video_bus *video = device->video;
int i;
- /* If we have a broken _DOD, no need to test */
- if (!video->attached_count)
+ /*
+ * If we have a broken _DOD or we have more than 8 output devices
+ * under the graphics controller node that we can't proper deal with
+ * in the operation region code currently, no need to test.
+ */
+ if (!video->attached_count || video->child_count > 8)
return true;
for (i = 0; i < video->attached_count; i++) {
@@ -1413,6 +1445,7 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
dev_err(&dev->dev, "Can't attach device\n");
break;
}
+ video->child_count++;
}
return status;
}
diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig
new file mode 100644
index 000000000000..bdfc6c6f4f5a
--- /dev/null
+++ b/drivers/android/Kconfig
@@ -0,0 +1,37 @@
+menu "Android"
+
+config ANDROID
+ bool "Android Drivers"
+ ---help---
+ Enable support for various drivers needed on the Android platform
+
+if ANDROID
+
+config ANDROID_BINDER_IPC
+ bool "Android Binder IPC Driver"
+ depends on MMU
+ default n
+ ---help---
+ Binder is used in Android for both communication between processes,
+ and remote method invocation.
+
+ This means one Android process can call a method/routine in another
+ Android process, using Binder to identify, invoke and pass arguments
+ between said processes.
+
+config ANDROID_BINDER_IPC_32BIT
+ bool
+ depends on !64BIT && ANDROID_BINDER_IPC
+ default y
+ ---help---
+ The Binder API has been changed to support both 32 and 64bit
+ applications in a mixed environment.
+
+ Enable this to support an old 32-bit Android user-space (v4.4 and
+ earlier).
+
+ Note that enabling this will break newer Android user-space.
+
+endif # if ANDROID
+
+endmenu
diff --git a/drivers/android/Makefile b/drivers/android/Makefile
new file mode 100644
index 000000000000..3b7e4b072c58
--- /dev/null
+++ b/drivers/android/Makefile
@@ -0,0 +1,3 @@
+ccflags-y += -I$(src) # needed for trace events
+
+obj-$(CONFIG_ANDROID_BINDER_IPC) += binder.o
diff --git a/drivers/staging/android/binder.c b/drivers/android/binder.c
index c69c40d69d5c..8c43521d3f11 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/android/binder.c
@@ -38,7 +38,11 @@
#include <linux/slab.h>
#include <linux/pid_namespace.h>
-#include "binder.h"
+#ifdef CONFIG_ANDROID_BINDER_IPC_32BIT
+#define BINDER_IPC_32BIT 1
+#endif
+
+#include <uapi/linux/android/binder.h>
#include "binder_trace.h"
static DEFINE_MUTEX(binder_main_lock);
diff --git a/drivers/staging/android/binder_trace.h b/drivers/android/binder_trace.h
index 7f20f3dc8369..7f20f3dc8369 100644
--- a/drivers/staging/android/binder_trace.h
+++ b/drivers/android/binder_trace.h
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index cd4cccbfd2ab..5f601553b9b0 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -61,7 +61,7 @@ config ATA_ACPI
config SATA_ZPODD
bool "SATA Zero Power Optical Disc Drive (ZPODD) support"
- depends on ATA_ACPI && PM_RUNTIME
+ depends on ATA_ACPI && PM
default n
help
This option adds support for SATA Zero Power Optical Disc
@@ -835,6 +835,7 @@ config PATA_AT32
config PATA_AT91
tristate "PATA support for AT91SAM9260"
depends on ARM && SOC_AT91SAM9
+ depends on !ARCH_MULTIPLATFORM
help
This option enables support for IDE devices on the Atmel AT91SAM9260 SoC.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 49f1e6890587..33bb06e006c9 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -325,7 +325,6 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
- { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index feeb8f1e2fe8..cbcd20810355 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -125,10 +125,11 @@ static int xgene_ahci_restart_engine(struct ata_port *ap)
* xgene_ahci_qc_issue - Issue commands to the device
* @qc: Command to issue
*
- * Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot
- * clear the BSY bit after receiving the PIO setup FIS. This results in the dma
- * state machine goes into the CMFatalErrorUpdate state and locks up. By
- * restarting the dma engine, it removes the controller out of lock up state.
+ * Due to Hardware errata for IDENTIFY DEVICE command and PACKET
+ * command of ATAPI protocol set, the controller cannot clear the BSY bit
+ * after receiving the PIO setup FIS. This results in the DMA state machine
+ * going into the CMFatalErrorUpdate state and locks up. By restarting the
+ * DMA engine, it removes the controller out of lock up state.
*/
static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc)
{
@@ -137,7 +138,8 @@ static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc)
struct xgene_ahci_context *ctx = hpriv->plat_data;
int rc = 0;
- if (unlikely(ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA))
+ if (unlikely((ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA) ||
+ (ctx->last_cmd[ap->port_no] == ATA_CMD_PACKET)))
xgene_ahci_restart_engine(ap);
rc = ahci_qc_issue(qc);
@@ -188,7 +190,7 @@ static unsigned int xgene_ahci_read_id(struct ata_device *dev,
*
* Clear reserved bit 8 (DEVSLP bit) as we don't support DEVSLP
*/
- id[ATA_ID_FEATURE_SUPP] &= ~(1 << 8);
+ id[ATA_ID_FEATURE_SUPP] &= cpu_to_le16(~(1 << 8));
return 0;
}
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 97683e45ab04..61a9c07e0dff 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2003,7 +2003,7 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep)
devslp = readl(port_mmio + PORT_DEVSLP);
if (!(devslp & PORT_DEVSLP_DSP)) {
- dev_err(ap->host->dev, "port does not support device sleep\n");
+ dev_info(ap->host->dev, "port does not support device sleep\n");
return;
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5c84fb5c3372..d1a05f9bb91f 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4233,10 +4233,33 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
/* devices that don't properly handle queued TRIM commands */
- { "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
- { "Crucial_CT???M500SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
- { "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
- { "Crucial_CT*M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Micron_M[56]*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Crucial_CT*SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+
+ /*
+ * As defined, the DRAT (Deterministic Read After Trim) and RZAT
+ * (Return Zero After Trim) flags in the ATA Command Set are
+ * unreliable in the sense that they only define what happens if
+ * the device successfully executed the DSM TRIM command. TRIM
+ * is only advisory, however, and the device is free to silently
+ * ignore all or parts of the request.
+ *
+ * Whitelist drives that are known to reliably return zeroes
+ * after TRIM.
+ */
+
+ /*
+ * The intel 510 drive has buggy DRAT/RZAT. Explicitly exclude
+ * that model before whitelisting all other intel SSDs.
+ */
+ { "INTEL*SSDSC2MH*", NULL, 0, },
+
+ { "INTEL*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "SAMSUNG*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "ST[1248][0248]0[FH]*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, },
/*
* Some WD SATA-I drives spin up and down erratically when the link
@@ -4748,7 +4771,10 @@ static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
return NULL;
for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
- tag = tag < max_queue ? tag : 0;
+ if (ap->flags & ATA_FLAG_LOWTAG)
+ tag = i;
+ else
+ tag = tag < max_queue ? tag : 0;
/* the last tag is reserved for internal command. */
if (tag == ATA_TAG_INTERNAL)
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 3dbec8954c86..8d00c2638bed 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2389,6 +2389,7 @@ const char *ata_get_cmd_descript(u8 command)
return NULL;
}
+EXPORT_SYMBOL_GPL(ata_get_cmd_descript);
/**
* ata_eh_link_report - report error handling to user
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e364e86e84d7..6abd17a85b13 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2532,13 +2532,15 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
rbuf[15] = lowest_aligned;
if (ata_id_has_trim(args->id)) {
- rbuf[14] |= 0x80; /* TPE */
+ rbuf[14] |= 0x80; /* LBPME */
- if (ata_id_has_zero_after_trim(args->id))
- rbuf[14] |= 0x40; /* TPRZ */
+ if (ata_id_has_zero_after_trim(args->id) &&
+ dev->horkage & ATA_HORKAGE_ZERO_AFTER_TRIM) {
+ ata_dev_info(dev, "Enabling discard_zeroes_data\n");
+ rbuf[14] |= 0x40; /* LBPRZ */
+ }
}
}
-
return 0;
}
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index db90aa35cb71..2e86e3b85266 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1333,7 +1333,19 @@ void ata_sff_flush_pio_task(struct ata_port *ap)
DPRINTK("ENTER\n");
cancel_delayed_work_sync(&ap->sff_pio_task);
+
+ /*
+ * We wanna reset the HSM state to IDLE. If we do so without
+ * grabbing the port lock, critical sections protected by it which
+ * expect the HSM state to stay stable may get surprised. For
+ * example, we may set IDLE in between the time
+ * __ata_sff_port_intr() checks for HSM_ST_IDLE and before it calls
+ * ata_sff_hsm_move() causing ata_sff_hsm_move() to BUG().
+ */
+ spin_lock_irq(ap->lock);
ap->hsm_task_state = HSM_ST_IDLE;
+ spin_unlock_irq(ap->lock);
+
ap->sff_pio_task_link = NULL;
if (ata_msg_ctl(ap))
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index c7ddef89e7b0..8e8248179d20 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -797,7 +797,7 @@ static int dma_dwc_init(struct sata_dwc_device *hsdev, int irq)
if (err) {
dev_err(host_pvt.dwc_dev, "%s: dma_request_interrupts returns"
" %d\n", __func__, err);
- goto error_out;
+ return err;
}
/* Enabe DMA */
@@ -808,11 +808,6 @@ static int dma_dwc_init(struct sata_dwc_device *hsdev, int irq)
sata_dma_regs);
return 0;
-
-error_out:
- dma_dwc_exit(hsdev);
-
- return err;
}
static int sata_dwc_scr_read(struct ata_link *link, unsigned int scr, u32 *val)
@@ -1662,7 +1657,7 @@ static int sata_dwc_probe(struct platform_device *ofdev)
char *ver = (char *)&versionr;
u8 *base = NULL;
int err = 0;
- int irq, rc;
+ int irq;
struct ata_host *host;
struct ata_port_info pi = sata_dwc_port_info[0];
const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -1725,7 +1720,7 @@ static int sata_dwc_probe(struct platform_device *ofdev)
if (irq == NO_IRQ) {
dev_err(&ofdev->dev, "no SATA DMA irq\n");
err = -ENODEV;
- goto error_out;
+ goto error_iomap;
}
/* Get physical SATA DMA register base address */
@@ -1734,14 +1729,16 @@ static int sata_dwc_probe(struct platform_device *ofdev)
dev_err(&ofdev->dev, "ioremap failed for AHBDMA register"
" address\n");
err = -ENODEV;
- goto error_out;
+ goto error_iomap;
}
/* Save dev for later use in dev_xxx() routines */
host_pvt.dwc_dev = &ofdev->dev;
/* Initialize AHB DMAC */
- dma_dwc_init(hsdev, irq);
+ err = dma_dwc_init(hsdev, irq);
+ if (err)
+ goto error_dma_iomap;
/* Enable SATA Interrupts */
sata_dwc_enable_interrupts(hsdev);
@@ -1759,9 +1756,8 @@ static int sata_dwc_probe(struct platform_device *ofdev)
* device discovery process, invoking our port_start() handler &
* error_handler() to execute a dummy Softreset EH session
*/
- rc = ata_host_activate(host, irq, sata_dwc_isr, 0, &sata_dwc_sht);
-
- if (rc != 0)
+ err = ata_host_activate(host, irq, sata_dwc_isr, 0, &sata_dwc_sht);
+ if (err)
dev_err(&ofdev->dev, "failed to activate host");
dev_set_drvdata(&ofdev->dev, host);
@@ -1770,7 +1766,8 @@ static int sata_dwc_probe(struct platform_device *ofdev)
error_out:
/* Free SATA DMA resources */
dma_dwc_exit(hsdev);
-
+error_dma_iomap:
+ iounmap((void __iomem *)host_pvt.sata_dma_regs);
error_iomap:
iounmap(base);
error_kmalloc:
@@ -1791,6 +1788,7 @@ static int sata_dwc_remove(struct platform_device *ofdev)
/* Free SATA DMA resources */
dma_dwc_exit(hsdev);
+ iounmap((void __iomem *)host_pvt.sata_dma_regs);
iounmap(hsdev->reg_base);
kfree(hsdev);
kfree(host);
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index d81b20ddb527..ea655949023f 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -246,7 +246,7 @@ enum {
/* host flags */
SIL24_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
- ATA_FLAG_AN | ATA_FLAG_PMP,
+ ATA_FLAG_AN | ATA_FLAG_PMP | ATA_FLAG_LOWTAG,
SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
IRQ_STAT_4PORTS = 0xf,
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 6a103a35ea9b..0d8780c04a5e 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2088,7 +2088,7 @@ EXPORT_SYMBOL_GPL(of_genpd_del_provider);
* Returns a valid pointer to struct generic_pm_domain on success or ERR_PTR()
* on failure.
*/
-static struct generic_pm_domain *of_genpd_get_from_provider(
+struct generic_pm_domain *of_genpd_get_from_provider(
struct of_phandle_args *genpdspec)
{
struct generic_pm_domain *genpd = ERR_PTR(-ENOENT);
@@ -2108,6 +2108,7 @@ static struct generic_pm_domain *of_genpd_get_from_provider(
return genpd;
}
+EXPORT_SYMBOL_GPL(of_genpd_get_from_provider);
/**
* genpd_dev_pm_detach - Detach a device from its PM domain.
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 2d195f3a1998..106c69359306 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -84,7 +84,11 @@ struct dev_pm_opp {
*
* This is an internal data structure maintaining the link to opps attached to
* a device. This structure is not meant to be shared to users as it is
- * meant for book keeping and private to OPP library
+ * meant for book keeping and private to OPP library.
+ *
+ * Because the opp structures can be used from both rcu and srcu readers, we
+ * need to wait for the grace period of both of them before freeing any
+ * resources. And so we have used kfree_rcu() from within call_srcu() handlers.
*/
struct device_opp {
struct list_head node;
@@ -104,6 +108,14 @@ static LIST_HEAD(dev_opp_list);
/* Lock to allow exclusive modification to the device and opp lists */
static DEFINE_MUTEX(dev_opp_list_lock);
+#define opp_rcu_lockdep_assert() \
+do { \
+ rcu_lockdep_assert(rcu_read_lock_held() || \
+ lockdep_is_held(&dev_opp_list_lock), \
+ "Missing rcu_read_lock() or " \
+ "dev_opp_list_lock protection"); \
+} while (0)
+
/**
* find_device_opp() - find device_opp struct using device pointer
* @dev: device pointer used to lookup device OPPs
@@ -204,9 +216,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq);
* This function returns the number of available opps if there are any,
* else returns 0 if none or the corresponding error value.
*
- * Locking: This function must be called under rcu_read_lock(). This function
- * internally references two RCU protected structures: device_opp and opp which
- * are safe as long as we are under a common RCU locked section.
+ * Locking: This function takes rcu_read_lock().
*/
int dev_pm_opp_get_opp_count(struct device *dev)
{
@@ -214,11 +224,14 @@ int dev_pm_opp_get_opp_count(struct device *dev)
struct dev_pm_opp *temp_opp;
int count = 0;
+ rcu_read_lock();
+
dev_opp = find_device_opp(dev);
if (IS_ERR(dev_opp)) {
- int r = PTR_ERR(dev_opp);
- dev_err(dev, "%s: device OPP not found (%d)\n", __func__, r);
- return r;
+ count = PTR_ERR(dev_opp);
+ dev_err(dev, "%s: device OPP not found (%d)\n",
+ __func__, count);
+ goto out_unlock;
}
list_for_each_entry_rcu(temp_opp, &dev_opp->opp_list, node) {
@@ -226,6 +239,8 @@ int dev_pm_opp_get_opp_count(struct device *dev)
count++;
}
+out_unlock:
+ rcu_read_unlock();
return count;
}
EXPORT_SYMBOL_GPL(dev_pm_opp_get_opp_count);
@@ -263,6 +278,8 @@ struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev,
struct device_opp *dev_opp;
struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE);
+ opp_rcu_lockdep_assert();
+
dev_opp = find_device_opp(dev);
if (IS_ERR(dev_opp)) {
int r = PTR_ERR(dev_opp);
@@ -309,6 +326,8 @@ struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev,
struct device_opp *dev_opp;
struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE);
+ opp_rcu_lockdep_assert();
+
if (!dev || !freq) {
dev_err(dev, "%s: Invalid argument freq=%p\n", __func__, freq);
return ERR_PTR(-EINVAL);
@@ -357,6 +376,8 @@ struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
struct device_opp *dev_opp;
struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ERANGE);
+ opp_rcu_lockdep_assert();
+
if (!dev || !freq) {
dev_err(dev, "%s: Invalid argument freq=%p\n", __func__, freq);
return ERR_PTR(-EINVAL);
@@ -382,12 +403,34 @@ struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev,
}
EXPORT_SYMBOL_GPL(dev_pm_opp_find_freq_floor);
+static struct device_opp *add_device_opp(struct device *dev)
+{
+ struct device_opp *dev_opp;
+
+ /*
+ * Allocate a new device OPP table. In the infrequent case where a new
+ * device is needed to be added, we pay this penalty.
+ */
+ dev_opp = kzalloc(sizeof(*dev_opp), GFP_KERNEL);
+ if (!dev_opp)
+ return NULL;
+
+ dev_opp->dev = dev;
+ srcu_init_notifier_head(&dev_opp->srcu_head);
+ INIT_LIST_HEAD(&dev_opp->opp_list);
+
+ /* Secure the device list modification */
+ list_add_rcu(&dev_opp->node, &dev_opp_list);
+ return dev_opp;
+}
+
static int dev_pm_opp_add_dynamic(struct device *dev, unsigned long freq,
unsigned long u_volt, bool dynamic)
{
struct device_opp *dev_opp = NULL;
struct dev_pm_opp *opp, *new_opp;
struct list_head *head;
+ int ret;
/* allocate new OPP node */
new_opp = kzalloc(sizeof(*new_opp), GFP_KERNEL);
@@ -400,7 +443,6 @@ static int dev_pm_opp_add_dynamic(struct device *dev, unsigned long freq,
mutex_lock(&dev_opp_list_lock);
/* populate the opp table */
- new_opp->dev_opp = dev_opp;
new_opp->rate = freq;
new_opp->u_volt = u_volt;
new_opp->available = true;
@@ -409,27 +451,12 @@ static int dev_pm_opp_add_dynamic(struct device *dev, unsigned long freq,
/* Check for existing list for 'dev' */
dev_opp = find_device_opp(dev);
if (IS_ERR(dev_opp)) {
- /*
- * Allocate a new device OPP table. In the infrequent case
- * where a new device is needed to be added, we pay this
- * penalty.
- */
- dev_opp = kzalloc(sizeof(struct device_opp), GFP_KERNEL);
+ dev_opp = add_device_opp(dev);
if (!dev_opp) {
- mutex_unlock(&dev_opp_list_lock);
- kfree(new_opp);
- dev_warn(dev,
- "%s: Unable to create device OPP structure\n",
- __func__);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto free_opp;
}
- dev_opp->dev = dev;
- srcu_init_notifier_head(&dev_opp->srcu_head);
- INIT_LIST_HEAD(&dev_opp->opp_list);
-
- /* Secure the device list modification */
- list_add_rcu(&dev_opp->node, &dev_opp_list);
head = &dev_opp->opp_list;
goto list_add;
}
@@ -448,18 +475,17 @@ static int dev_pm_opp_add_dynamic(struct device *dev, unsigned long freq,
/* Duplicate OPPs ? */
if (new_opp->rate == opp->rate) {
- int ret = opp->available && new_opp->u_volt == opp->u_volt ?
+ ret = opp->available && new_opp->u_volt == opp->u_volt ?
0 : -EEXIST;
dev_warn(dev, "%s: duplicate OPPs detected. Existing: freq: %lu, volt: %lu, enabled: %d. New: freq: %lu, volt: %lu, enabled: %d\n",
__func__, opp->rate, opp->u_volt, opp->available,
new_opp->rate, new_opp->u_volt, new_opp->available);
- mutex_unlock(&dev_opp_list_lock);
- kfree(new_opp);
- return ret;
+ goto free_opp;
}
list_add:
+ new_opp->dev_opp = dev_opp;
list_add_rcu(&new_opp->node, head);
mutex_unlock(&dev_opp_list_lock);
@@ -469,6 +495,11 @@ list_add:
*/
srcu_notifier_call_chain(&dev_opp->srcu_head, OPP_EVENT_ADD, new_opp);
return 0;
+
+free_opp:
+ mutex_unlock(&dev_opp_list_lock);
+ kfree(new_opp);
+ return ret;
}
/**
@@ -511,10 +542,11 @@ static void kfree_device_rcu(struct rcu_head *head)
{
struct device_opp *device_opp = container_of(head, struct device_opp, rcu_head);
- kfree(device_opp);
+ kfree_rcu(device_opp, rcu_head);
}
-void __dev_pm_opp_remove(struct device_opp *dev_opp, struct dev_pm_opp *opp)
+static void __dev_pm_opp_remove(struct device_opp *dev_opp,
+ struct dev_pm_opp *opp)
{
/*
* Notify the changes in the availability of the operable
@@ -592,7 +624,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_remove);
static int opp_set_availability(struct device *dev, unsigned long freq,
bool availability_req)
{
- struct device_opp *tmp_dev_opp, *dev_opp = ERR_PTR(-ENODEV);
+ struct device_opp *dev_opp;
struct dev_pm_opp *new_opp, *tmp_opp, *opp = ERR_PTR(-ENODEV);
int r = 0;
@@ -606,12 +638,7 @@ static int opp_set_availability(struct device *dev, unsigned long freq,
mutex_lock(&dev_opp_list_lock);
/* Find the device_opp */
- list_for_each_entry(tmp_dev_opp, &dev_opp_list, node) {
- if (dev == tmp_dev_opp->dev) {
- dev_opp = tmp_dev_opp;
- break;
- }
- }
+ dev_opp = find_device_opp(dev);
if (IS_ERR(dev_opp)) {
r = PTR_ERR(dev_opp);
dev_warn(dev, "%s: Device OPP not found (%d)\n", __func__, r);
@@ -768,14 +795,20 @@ EXPORT_SYMBOL_GPL(of_init_opp_table);
*/
void of_free_opp_table(struct device *dev)
{
- struct device_opp *dev_opp = find_device_opp(dev);
+ struct device_opp *dev_opp;
struct dev_pm_opp *opp, *tmp;
/* Check for existing list for 'dev' */
dev_opp = find_device_opp(dev);
- if (WARN(IS_ERR(dev_opp), "%s: dev_opp: %ld\n", dev_name(dev),
- PTR_ERR(dev_opp)))
+ if (IS_ERR(dev_opp)) {
+ int error = PTR_ERR(dev_opp);
+ if (error != -ENODEV)
+ WARN(1, "%s: dev_opp: %d\n",
+ IS_ERR_OR_NULL(dev) ?
+ "Invalid device" : dev_name(dev),
+ error);
return;
+ }
/* Hold our list modification lock here */
mutex_lock(&dev_opp_list_lock);
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index ae9f615382f6..aa2224aa7caa 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -530,7 +530,7 @@ static int null_add_dev(void)
goto out_cleanup_queues;
nullb->q = blk_mq_init_queue(&nullb->tag_set);
- if (!nullb->q) {
+ if (IS_ERR(nullb->q)) {
rv = -ENOMEM;
goto out_cleanup_tags;
}
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index b1d5d8797315..d826bf3e62c8 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -106,7 +106,7 @@ struct nvme_queue {
dma_addr_t cq_dma_addr;
u32 __iomem *q_db;
u16 q_depth;
- u16 cq_vector;
+ s16 cq_vector;
u16 sq_head;
u16 sq_tail;
u16 cq_head;
@@ -215,6 +215,7 @@ static void nvme_set_info(struct nvme_cmd_info *cmd, void *ctx,
cmd->fn = handler;
cmd->ctx = ctx;
cmd->aborted = 0;
+ blk_mq_start_request(blk_mq_rq_from_pdu(cmd));
}
/* Special values must be less than 0x1000 */
@@ -431,8 +432,13 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx,
if (unlikely(status)) {
if (!(status & NVME_SC_DNR || blk_noretry_request(req))
&& (jiffies - req->start_time) < req->timeout) {
+ unsigned long flags;
+
blk_mq_requeue_request(req);
- blk_mq_kick_requeue_list(req->q);
+ spin_lock_irqsave(req->q->queue_lock, flags);
+ if (!blk_queue_stopped(req->q))
+ blk_mq_kick_requeue_list(req->q);
+ spin_unlock_irqrestore(req->q->queue_lock, flags);
return;
}
req->errors = nvme_error_status(status);
@@ -664,8 +670,6 @@ static int nvme_queue_rq(struct blk_mq_hw_ctx *hctx,
}
}
- blk_mq_start_request(req);
-
nvme_set_info(cmd, iod, req_completion);
spin_lock_irq(&nvmeq->q_lock);
if (req->cmd_flags & REQ_DISCARD)
@@ -835,6 +839,7 @@ static int nvme_submit_async_admin_req(struct nvme_dev *dev)
if (IS_ERR(req))
return PTR_ERR(req);
+ req->cmd_flags |= REQ_NO_TIMEOUT;
cmd_info = blk_mq_rq_to_pdu(req);
nvme_set_info(cmd_info, req, async_req_completion);
@@ -1016,14 +1021,19 @@ static void nvme_abort_req(struct request *req)
struct nvme_command cmd;
if (!nvmeq->qid || cmd_rq->aborted) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev_list_lock, flags);
if (work_busy(&dev->reset_work))
- return;
+ goto out;
list_del_init(&dev->node);
dev_warn(&dev->pci_dev->dev,
"I/O %d QID %d timeout, reset controller\n",
req->tag, nvmeq->qid);
dev->reset_workfn = nvme_reset_failed_dev;
queue_work(nvme_workq, &dev->reset_work);
+ out:
+ spin_unlock_irqrestore(&dev_list_lock, flags);
return;
}
@@ -1064,15 +1074,22 @@ static void nvme_cancel_queue_ios(struct blk_mq_hw_ctx *hctx,
void *ctx;
nvme_completion_fn fn;
struct nvme_cmd_info *cmd;
- static struct nvme_completion cqe = {
- .status = cpu_to_le16(NVME_SC_ABORT_REQ << 1),
- };
+ struct nvme_completion cqe;
+
+ if (!blk_mq_request_started(req))
+ return;
cmd = blk_mq_rq_to_pdu(req);
if (cmd->ctx == CMD_CTX_CANCELLED)
return;
+ if (blk_queue_dying(req->q))
+ cqe.status = cpu_to_le16((NVME_SC_ABORT_REQ | NVME_SC_DNR) << 1);
+ else
+ cqe.status = cpu_to_le16(NVME_SC_ABORT_REQ << 1);
+
+
dev_warn(nvmeq->q_dmadev, "Cancelling I/O %d QID %d\n",
req->tag, nvmeq->qid);
ctx = cancel_cmd_info(cmd, &fn);
@@ -1084,17 +1101,29 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved)
struct nvme_cmd_info *cmd = blk_mq_rq_to_pdu(req);
struct nvme_queue *nvmeq = cmd->nvmeq;
- dev_warn(nvmeq->q_dmadev, "Timeout I/O %d QID %d\n", req->tag,
- nvmeq->qid);
- if (nvmeq->dev->initialized)
- nvme_abort_req(req);
-
/*
* The aborted req will be completed on receiving the abort req.
* We enable the timer again. If hit twice, it'll cause a device reset,
* as the device then is in a faulty state.
*/
- return BLK_EH_RESET_TIMER;
+ int ret = BLK_EH_RESET_TIMER;
+
+ dev_warn(nvmeq->q_dmadev, "Timeout I/O %d QID %d\n", req->tag,
+ nvmeq->qid);
+
+ spin_lock_irq(&nvmeq->q_lock);
+ if (!nvmeq->dev->initialized) {
+ /*
+ * Force cancelled command frees the request, which requires we
+ * return BLK_EH_NOT_HANDLED.
+ */
+ nvme_cancel_queue_ios(nvmeq->hctx, req, nvmeq, reserved);
+ ret = BLK_EH_NOT_HANDLED;
+ } else
+ nvme_abort_req(req);
+ spin_unlock_irq(&nvmeq->q_lock);
+
+ return ret;
}
static void nvme_free_queue(struct nvme_queue *nvmeq)
@@ -1131,10 +1160,16 @@ static void nvme_free_queues(struct nvme_dev *dev, int lowest)
*/
static int nvme_suspend_queue(struct nvme_queue *nvmeq)
{
- int vector = nvmeq->dev->entry[nvmeq->cq_vector].vector;
+ int vector;
spin_lock_irq(&nvmeq->q_lock);
+ if (nvmeq->cq_vector == -1) {
+ spin_unlock_irq(&nvmeq->q_lock);
+ return 1;
+ }
+ vector = nvmeq->dev->entry[nvmeq->cq_vector].vector;
nvmeq->dev->online_queues--;
+ nvmeq->cq_vector = -1;
spin_unlock_irq(&nvmeq->q_lock);
irq_set_affinity_hint(vector, NULL);
@@ -1169,11 +1204,13 @@ static void nvme_disable_queue(struct nvme_dev *dev, int qid)
adapter_delete_sq(dev, qid);
adapter_delete_cq(dev, qid);
}
+ if (!qid && dev->admin_q)
+ blk_mq_freeze_queue_start(dev->admin_q);
nvme_clear_queue(nvmeq);
}
static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
- int depth, int vector)
+ int depth)
{
struct device *dmadev = &dev->pci_dev->dev;
struct nvme_queue *nvmeq = kzalloc(sizeof(*nvmeq), GFP_KERNEL);
@@ -1199,7 +1236,6 @@ static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
nvmeq->cq_phase = 1;
nvmeq->q_db = &dev->dbs[qid * 2 * dev->db_stride];
nvmeq->q_depth = depth;
- nvmeq->cq_vector = vector;
nvmeq->qid = qid;
dev->queue_count++;
dev->queues[qid] = nvmeq;
@@ -1244,6 +1280,7 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid)
struct nvme_dev *dev = nvmeq->dev;
int result;
+ nvmeq->cq_vector = qid - 1;
result = adapter_alloc_cq(dev, qid, nvmeq);
if (result < 0)
return result;
@@ -1355,6 +1392,14 @@ static struct blk_mq_ops nvme_mq_ops = {
.timeout = nvme_timeout,
};
+static void nvme_dev_remove_admin(struct nvme_dev *dev)
+{
+ if (dev->admin_q && !blk_queue_dying(dev->admin_q)) {
+ blk_cleanup_queue(dev->admin_q);
+ blk_mq_free_tag_set(&dev->admin_tagset);
+ }
+}
+
static int nvme_alloc_admin_tags(struct nvme_dev *dev)
{
if (!dev->admin_q) {
@@ -1370,21 +1415,20 @@ static int nvme_alloc_admin_tags(struct nvme_dev *dev)
return -ENOMEM;
dev->admin_q = blk_mq_init_queue(&dev->admin_tagset);
- if (!dev->admin_q) {
+ if (IS_ERR(dev->admin_q)) {
blk_mq_free_tag_set(&dev->admin_tagset);
return -ENOMEM;
}
- }
+ if (!blk_get_queue(dev->admin_q)) {
+ nvme_dev_remove_admin(dev);
+ return -ENODEV;
+ }
+ } else
+ blk_mq_unfreeze_queue(dev->admin_q);
return 0;
}
-static void nvme_free_admin_tags(struct nvme_dev *dev)
-{
- if (dev->admin_q)
- blk_mq_free_tag_set(&dev->admin_tagset);
-}
-
static int nvme_configure_admin_queue(struct nvme_dev *dev)
{
int result;
@@ -1416,7 +1460,7 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev)
nvmeq = dev->queues[0];
if (!nvmeq) {
- nvmeq = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH, 0);
+ nvmeq = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH);
if (!nvmeq)
return -ENOMEM;
}
@@ -1439,18 +1483,13 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev)
if (result)
goto free_nvmeq;
- result = nvme_alloc_admin_tags(dev);
- if (result)
- goto free_nvmeq;
-
+ nvmeq->cq_vector = 0;
result = queue_request_irq(dev, nvmeq, nvmeq->irqname);
if (result)
- goto free_tags;
+ goto free_nvmeq;
return result;
- free_tags:
- nvme_free_admin_tags(dev);
free_nvmeq:
nvme_free_queues(dev, 0);
return result;
@@ -1944,7 +1983,7 @@ static void nvme_create_io_queues(struct nvme_dev *dev)
unsigned i;
for (i = dev->queue_count; i <= dev->max_qid; i++)
- if (!nvme_alloc_queue(dev, i, dev->q_depth, i - 1))
+ if (!nvme_alloc_queue(dev, i, dev->q_depth))
break;
for (i = dev->online_queues; i <= dev->queue_count - 1; i++)
@@ -2235,13 +2274,18 @@ static void nvme_wait_dq(struct nvme_delq_ctx *dq, struct nvme_dev *dev)
break;
if (!schedule_timeout(ADMIN_TIMEOUT) ||
fatal_signal_pending(current)) {
+ /*
+ * Disable the controller first since we can't trust it
+ * at this point, but leave the admin queue enabled
+ * until all queue deletion requests are flushed.
+ * FIXME: This may take a while if there are more h/w
+ * queues than admin tags.
+ */
set_current_state(TASK_RUNNING);
-
nvme_disable_ctrl(dev, readq(&dev->bar->cap));
- nvme_disable_queue(dev, 0);
-
- send_sig(SIGKILL, dq->worker->task, 1);
+ nvme_clear_queue(dev->queues[0]);
flush_kthread_worker(dq->worker);
+ nvme_disable_queue(dev, 0);
return;
}
}
@@ -2318,7 +2362,6 @@ static void nvme_del_queue_start(struct kthread_work *work)
{
struct nvme_queue *nvmeq = container_of(work, struct nvme_queue,
cmdinfo.work);
- allow_signal(SIGKILL);
if (nvme_delete_sq(nvmeq))
nvme_del_queue_end(nvmeq);
}
@@ -2376,6 +2419,34 @@ static void nvme_dev_list_remove(struct nvme_dev *dev)
kthread_stop(tmp);
}
+static void nvme_freeze_queues(struct nvme_dev *dev)
+{
+ struct nvme_ns *ns;
+
+ list_for_each_entry(ns, &dev->namespaces, list) {
+ blk_mq_freeze_queue_start(ns->queue);
+
+ spin_lock(ns->queue->queue_lock);
+ queue_flag_set(QUEUE_FLAG_STOPPED, ns->queue);
+ spin_unlock(ns->queue->queue_lock);
+
+ blk_mq_cancel_requeue_work(ns->queue);
+ blk_mq_stop_hw_queues(ns->queue);
+ }
+}
+
+static void nvme_unfreeze_queues(struct nvme_dev *dev)
+{
+ struct nvme_ns *ns;
+
+ list_for_each_entry(ns, &dev->namespaces, list) {
+ queue_flag_clear_unlocked(QUEUE_FLAG_STOPPED, ns->queue);
+ blk_mq_unfreeze_queue(ns->queue);
+ blk_mq_start_stopped_hw_queues(ns->queue, true);
+ blk_mq_kick_requeue_list(ns->queue);
+ }
+}
+
static void nvme_dev_shutdown(struct nvme_dev *dev)
{
int i;
@@ -2384,8 +2455,10 @@ static void nvme_dev_shutdown(struct nvme_dev *dev)
dev->initialized = 0;
nvme_dev_list_remove(dev);
- if (dev->bar)
+ if (dev->bar) {
+ nvme_freeze_queues(dev);
csts = readl(&dev->bar->csts);
+ }
if (csts & NVME_CSTS_CFS || !(csts & NVME_CSTS_RDY)) {
for (i = dev->queue_count - 1; i >= 0; i--) {
struct nvme_queue *nvmeq = dev->queues[i];
@@ -2400,12 +2473,6 @@ static void nvme_dev_shutdown(struct nvme_dev *dev)
nvme_dev_unmap(dev);
}
-static void nvme_dev_remove_admin(struct nvme_dev *dev)
-{
- if (dev->admin_q && !blk_queue_dying(dev->admin_q))
- blk_cleanup_queue(dev->admin_q);
-}
-
static void nvme_dev_remove(struct nvme_dev *dev)
{
struct nvme_ns *ns;
@@ -2413,8 +2480,10 @@ static void nvme_dev_remove(struct nvme_dev *dev)
list_for_each_entry(ns, &dev->namespaces, list) {
if (ns->disk->flags & GENHD_FL_UP)
del_gendisk(ns->disk);
- if (!blk_queue_dying(ns->queue))
+ if (!blk_queue_dying(ns->queue)) {
+ blk_mq_abort_requeue_list(ns->queue);
blk_cleanup_queue(ns->queue);
+ }
}
}
@@ -2495,6 +2564,7 @@ static void nvme_free_dev(struct kref *kref)
nvme_free_namespaces(dev);
nvme_release_instance(dev);
blk_mq_free_tag_set(&dev->tagset);
+ blk_put_queue(dev->admin_q);
kfree(dev->queues);
kfree(dev->entry);
kfree(dev);
@@ -2591,15 +2661,20 @@ static int nvme_dev_start(struct nvme_dev *dev)
}
nvme_init_queue(dev->queues[0], 0);
+ result = nvme_alloc_admin_tags(dev);
+ if (result)
+ goto disable;
result = nvme_setup_io_queues(dev);
if (result)
- goto disable;
+ goto free_tags;
nvme_set_irq_hints(dev);
return result;
+ free_tags:
+ nvme_dev_remove_admin(dev);
disable:
nvme_disable_queue(dev, 0);
nvme_dev_list_remove(dev);
@@ -2639,6 +2714,9 @@ static int nvme_dev_resume(struct nvme_dev *dev)
dev->reset_workfn = nvme_remove_disks;
queue_work(nvme_workq, &dev->reset_work);
spin_unlock(&dev_list_lock);
+ } else {
+ nvme_unfreeze_queues(dev);
+ nvme_set_irq_hints(dev);
}
dev->initialized = 1;
return 0;
@@ -2776,11 +2854,10 @@ static void nvme_remove(struct pci_dev *pdev)
pci_set_drvdata(pdev, NULL);
flush_work(&dev->reset_work);
misc_deregister(&dev->miscdev);
- nvme_dev_remove(dev);
nvme_dev_shutdown(dev);
+ nvme_dev_remove(dev);
nvme_dev_remove_admin(dev);
nvme_free_queues(dev, 0);
- nvme_free_admin_tags(dev);
nvme_release_prp_pools(dev);
kref_put(&dev->kref, nvme_free_dev);
}
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 27b71a0b72d0..3ec85dfce124 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2370,8 +2370,12 @@ static void rbd_img_obj_request_fill(struct rbd_obj_request *obj_request,
opcode = CEPH_OSD_OP_READ;
}
- osd_req_op_extent_init(osd_request, num_ops, opcode, offset, length,
- 0, 0);
+ if (opcode == CEPH_OSD_OP_DELETE)
+ osd_req_op_init(osd_request, num_ops, opcode);
+ else
+ osd_req_op_extent_init(osd_request, num_ops, opcode,
+ offset, length, 0, 0);
+
if (obj_request->type == OBJ_REQUEST_BIO)
osd_req_op_extent_osd_data_bio(osd_request, num_ops,
obj_request->bio_list, length);
@@ -3405,8 +3409,7 @@ err_rq:
if (result)
rbd_warn(rbd_dev, "%s %llx at %llx result %d",
obj_op_name(op_type), length, offset, result);
- if (snapc)
- ceph_put_snap_context(snapc);
+ ceph_put_snap_context(snapc);
blk_end_request_all(rq, result);
}
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 7ef7c098708f..cdfbd21e3597 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -638,7 +638,7 @@ static int virtblk_probe(struct virtio_device *vdev)
goto out_put_disk;
q = vblk->disk->queue = blk_mq_init_queue(&vblk->tag_set);
- if (!q) {
+ if (IS_ERR(q)) {
err = -ENOMEM;
goto out_free_tags;
}
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fce758896280..1ee27ac18de0 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -87,6 +87,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x3007) },
{ USB_DEVICE(0x04CA, 0x3008) },
{ USB_DEVICE(0x04CA, 0x300b) },
+ { USB_DEVICE(0x04CA, 0x3010) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0930, 0x0220) },
{ USB_DEVICE(0x0930, 0x0227) },
@@ -140,6 +141,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 31dd24ac9926..19cf2cf22e87 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -167,6 +167,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 860da40b78ef..0ce5e2d65a06 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -1312,6 +1312,9 @@ static int cci_probe(void)
if (!np)
return -ENODEV;
+ if (!of_device_is_available(np))
+ return -ENODEV;
+
cci_config = of_match_node(arm_cci_matches, np)->data;
if (!cci_config)
return -ENODEV;
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 19db03667650..dcbbb4ea3cc1 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -417,6 +417,6 @@ static void __exit agp_ali_cleanup(void)
module_init(agp_ali_init);
module_exit(agp_ali_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+MODULE_AUTHOR("Dave Jones");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 3b47ed0310e1..0ef350010766 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -813,6 +813,6 @@ static void __exit agp_amd64_cleanup(void)
module_init(agp_amd64_mod_init);
module_exit(agp_amd64_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>, Andi Kleen");
+MODULE_AUTHOR("Dave Jones, Andi Kleen");
module_param(agp_try_unsupported, bool, 0);
MODULE_LICENSE("GPL");
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 18a7a6baa304..75a9786a77e6 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -579,6 +579,6 @@ static void __exit agp_ati_cleanup(void)
module_init(agp_ati_init);
module_exit(agp_ati_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+MODULE_AUTHOR("Dave Jones");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 317c28ce8328..38ffb281df97 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -356,7 +356,7 @@ static __init int agp_setup(char *s)
__setup("agp=", agp_setup);
#endif
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+MODULE_AUTHOR("Dave Jones, Jeff Hartmann");
MODULE_DESCRIPTION("AGP GART driver");
MODULE_LICENSE("GPL and additional rights");
MODULE_ALIAS_MISCDEV(AGPGART_MINOR);
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index f9b9ca5d31b7..0a21daed5b62 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -920,5 +920,5 @@ static void __exit agp_intel_cleanup(void)
module_init(agp_intel_init);
module_exit(agp_intel_cleanup);
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+MODULE_AUTHOR("Dave Jones, Various @Intel");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index f3334829e55a..92aa43fa8d70 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1438,5 +1438,5 @@ void intel_gmch_remove(void)
}
EXPORT_SYMBOL(intel_gmch_remove);
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+MODULE_AUTHOR("Dave Jones, Various @Intel");
MODULE_LICENSE("GPL and additional rights");
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index a1861b75eb31..6c8d39cb566e 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -1,7 +1,7 @@
/*
* Nvidia AGPGART routines.
* Based upon a 2.4 agpgart diff by the folks from NVIDIA, and hacked up
- * to work in 2.5 by Dave Jones <davej@redhat.com>
+ * to work in 2.5 by Dave Jones.
*/
#include <linux/module.h>
diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c
index 228f20cddc05..a4961d35e940 100644
--- a/drivers/char/agp/via-agp.c
+++ b/drivers/char/agp/via-agp.c
@@ -595,4 +595,4 @@ module_init(agp_via_init);
module_exit(agp_via_cleanup);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Dave Jones <davej@redhat.com>");
+MODULE_AUTHOR("Dave Jones");
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 5fa83f751378..6b65fa4e0c55 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -199,18 +199,6 @@ struct bmc_device {
int guid_set;
char name[16];
struct kref usecount;
-
- /* bmc device attributes */
- struct device_attribute device_id_attr;
- struct device_attribute provides_dev_sdrs_attr;
- struct device_attribute revision_attr;
- struct device_attribute firmware_rev_attr;
- struct device_attribute version_attr;
- struct device_attribute add_dev_support_attr;
- struct device_attribute manufacturer_id_attr;
- struct device_attribute product_id_attr;
- struct device_attribute guid_attr;
- struct device_attribute aux_firmware_rev_attr;
};
#define to_bmc_device(x) container_of((x), struct bmc_device, pdev.dev)
@@ -2252,7 +2240,7 @@ static ssize_t device_id_show(struct device *dev,
return snprintf(buf, 10, "%u\n", bmc->id.device_id);
}
-DEVICE_ATTR(device_id, S_IRUGO, device_id_show, NULL);
+static DEVICE_ATTR(device_id, S_IRUGO, device_id_show, NULL);
static ssize_t provides_device_sdrs_show(struct device *dev,
struct device_attribute *attr,
@@ -2263,7 +2251,8 @@ static ssize_t provides_device_sdrs_show(struct device *dev,
return snprintf(buf, 10, "%u\n",
(bmc->id.device_revision & 0x80) >> 7);
}
-DEVICE_ATTR(provides_device_sdrs, S_IRUGO, provides_device_sdrs_show, NULL);
+static DEVICE_ATTR(provides_device_sdrs, S_IRUGO, provides_device_sdrs_show,
+ NULL);
static ssize_t revision_show(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -2273,7 +2262,7 @@ static ssize_t revision_show(struct device *dev, struct device_attribute *attr,
return snprintf(buf, 20, "%u\n",
bmc->id.device_revision & 0x0F);
}
-DEVICE_ATTR(revision, S_IRUGO, revision_show, NULL);
+static DEVICE_ATTR(revision, S_IRUGO, revision_show, NULL);
static ssize_t firmware_revision_show(struct device *dev,
struct device_attribute *attr,
@@ -2284,7 +2273,7 @@ static ssize_t firmware_revision_show(struct device *dev,
return snprintf(buf, 20, "%u.%x\n", bmc->id.firmware_revision_1,
bmc->id.firmware_revision_2);
}
-DEVICE_ATTR(firmware_revision, S_IRUGO, firmware_revision_show, NULL);
+static DEVICE_ATTR(firmware_revision, S_IRUGO, firmware_revision_show, NULL);
static ssize_t ipmi_version_show(struct device *dev,
struct device_attribute *attr,
@@ -2296,7 +2285,7 @@ static ssize_t ipmi_version_show(struct device *dev,
ipmi_version_major(&bmc->id),
ipmi_version_minor(&bmc->id));
}
-DEVICE_ATTR(ipmi_version, S_IRUGO, ipmi_version_show, NULL);
+static DEVICE_ATTR(ipmi_version, S_IRUGO, ipmi_version_show, NULL);
static ssize_t add_dev_support_show(struct device *dev,
struct device_attribute *attr,
@@ -2307,7 +2296,8 @@ static ssize_t add_dev_support_show(struct device *dev,
return snprintf(buf, 10, "0x%02x\n",
bmc->id.additional_device_support);
}
-DEVICE_ATTR(additional_device_support, S_IRUGO, add_dev_support_show, NULL);
+static DEVICE_ATTR(additional_device_support, S_IRUGO, add_dev_support_show,
+ NULL);
static ssize_t manufacturer_id_show(struct device *dev,
struct device_attribute *attr,
@@ -2317,7 +2307,7 @@ static ssize_t manufacturer_id_show(struct device *dev,
return snprintf(buf, 20, "0x%6.6x\n", bmc->id.manufacturer_id);
}
-DEVICE_ATTR(manufacturer_id, S_IRUGO, manufacturer_id_show, NULL);
+static DEVICE_ATTR(manufacturer_id, S_IRUGO, manufacturer_id_show, NULL);
static ssize_t product_id_show(struct device *dev,
struct device_attribute *attr,
@@ -2327,7 +2317,7 @@ static ssize_t product_id_show(struct device *dev,
return snprintf(buf, 10, "0x%4.4x\n", bmc->id.product_id);
}
-DEVICE_ATTR(product_id, S_IRUGO, product_id_show, NULL);
+static DEVICE_ATTR(product_id, S_IRUGO, product_id_show, NULL);
static ssize_t aux_firmware_rev_show(struct device *dev,
struct device_attribute *attr,
@@ -2341,7 +2331,7 @@ static ssize_t aux_firmware_rev_show(struct device *dev,
bmc->id.aux_firmware_revision[1],
bmc->id.aux_firmware_revision[0]);
}
-DEVICE_ATTR(aux_firmware_revision, S_IRUGO, aux_firmware_rev_show, NULL);
+static DEVICE_ATTR(aux_firmware_revision, S_IRUGO, aux_firmware_rev_show, NULL);
static ssize_t guid_show(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -2352,7 +2342,7 @@ static ssize_t guid_show(struct device *dev, struct device_attribute *attr,
(long long) bmc->guid[0],
(long long) bmc->guid[8]);
}
-DEVICE_ATTR(guid, S_IRUGO, guid_show, NULL);
+static DEVICE_ATTR(guid, S_IRUGO, guid_show, NULL);
static struct attribute *bmc_dev_attrs[] = {
&dev_attr_device_id.attr,
@@ -2392,10 +2382,10 @@ cleanup_bmc_device(struct kref *ref)
if (bmc->id.aux_firmware_revision_set)
device_remove_file(&bmc->pdev.dev,
- &bmc->aux_firmware_rev_attr);
+ &dev_attr_aux_firmware_revision);
if (bmc->guid_set)
device_remove_file(&bmc->pdev.dev,
- &bmc->guid_attr);
+ &dev_attr_guid);
platform_device_unregister(&bmc->pdev);
}
@@ -2422,16 +2412,14 @@ static int create_bmc_files(struct bmc_device *bmc)
int err;
if (bmc->id.aux_firmware_revision_set) {
- bmc->aux_firmware_rev_attr.attr.name = "aux_firmware_revision";
err = device_create_file(&bmc->pdev.dev,
- &bmc->aux_firmware_rev_attr);
+ &dev_attr_aux_firmware_revision);
if (err)
goto out;
}
if (bmc->guid_set) {
- bmc->guid_attr.attr.name = "guid";
err = device_create_file(&bmc->pdev.dev,
- &bmc->guid_attr);
+ &dev_attr_guid);
if (err)
goto out_aux_firm;
}
@@ -2441,7 +2429,7 @@ static int create_bmc_files(struct bmc_device *bmc)
out_aux_firm:
if (bmc->id.aux_firmware_revision_set)
device_remove_file(&bmc->pdev.dev,
- &bmc->aux_firmware_rev_attr);
+ &dev_attr_aux_firmware_revision);
out:
return err;
}
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index e178ac27e73c..982b96323f82 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -52,6 +52,7 @@
#include <linux/dmi.h>
#include <linux/kthread.h>
#include <linux/acpi.h>
+#include <linux/ctype.h>
#define PFX "ipmi_ssif: "
#define DEVICE_NAME "ipmi_ssif"
@@ -968,7 +969,8 @@ static void sender(void *send_info,
do_gettimeofday(&t);
pr_info("**Enqueue %02x %02x: %ld.%6.6ld\n",
- msg->data[0], msg->data[1], t.tv_sec, t.tv_usec);
+ msg->data[0], msg->data[1],
+ (long) t.tv_sec, (long) t.tv_usec);
}
}
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index 62e2509f9df1..bbdb1b985c91 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -57,7 +57,7 @@ static unsigned long clk_programmable_recalc_rate(struct clk_hw *hw,
static long clk_programmable_determine_rate(struct clk_hw *hw,
unsigned long rate,
unsigned long *best_parent_rate,
- struct clk **best_parent_clk)
+ struct clk_hw **best_parent_hw)
{
struct clk *parent = NULL;
long best_rate = -EINVAL;
@@ -84,7 +84,7 @@ static long clk_programmable_determine_rate(struct clk_hw *hw,
if (best_rate < 0 || (rate - tmp_rate) < (rate - best_rate)) {
best_rate = tmp_rate;
*best_parent_rate = parent_rate;
- *best_parent_clk = parent;
+ *best_parent_hw = __clk_get_hw(parent);
}
if (!best_rate)
diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c
index 32f7c1b36204..2f13bd5246b5 100644
--- a/drivers/clk/at91/clk-slow.c
+++ b/drivers/clk/at91/clk-slow.c
@@ -70,6 +70,7 @@ struct clk_sam9x5_slow {
#define to_clk_sam9x5_slow(hw) container_of(hw, struct clk_sam9x5_slow, hw)
+static struct clk *slow_clk;
static int clk_slow_osc_prepare(struct clk_hw *hw)
{
@@ -357,6 +358,8 @@ at91_clk_register_sam9x5_slow(void __iomem *sckcr,
clk = clk_register(NULL, &slowck->hw);
if (IS_ERR(clk))
kfree(slowck);
+ else
+ slow_clk = clk;
return clk;
}
@@ -433,6 +436,8 @@ at91_clk_register_sam9260_slow(struct at91_pmc *pmc,
clk = clk_register(NULL, &slowck->hw);
if (IS_ERR(clk))
kfree(slowck);
+ else
+ slow_clk = clk;
return clk;
}
@@ -465,3 +470,25 @@ void __init of_at91sam9260_clk_slow_setup(struct device_node *np,
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+
+/*
+ * FIXME: All slow clk users are not properly claiming it (get + prepare +
+ * enable) before using it.
+ * If all users properly claiming this clock decide that they don't need it
+ * anymore (or are removed), it is disabled while faulty users are still
+ * requiring it, and the system hangs.
+ * Prevent this clock from being disabled until all users are properly
+ * requesting it.
+ * Once this is done we should remove this function and the slow_clk variable.
+ */
+static int __init of_at91_clk_slow_retain(void)
+{
+ if (!slow_clk)
+ return 0;
+
+ __clk_get(slow_clk);
+ clk_prepare_enable(slow_clk);
+
+ return 0;
+}
+arch_initcall(of_at91_clk_slow_retain);
diff --git a/drivers/clk/bcm/clk-kona.c b/drivers/clk/bcm/clk-kona.c
index 95af2e665dd3..1c06f6f3a8c5 100644
--- a/drivers/clk/bcm/clk-kona.c
+++ b/drivers/clk/bcm/clk-kona.c
@@ -1032,7 +1032,7 @@ static long kona_peri_clk_round_rate(struct clk_hw *hw, unsigned long rate,
}
static long kona_peri_clk_determine_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *best_parent_rate, struct clk **best_parent)
+ unsigned long *best_parent_rate, struct clk_hw **best_parent)
{
struct kona_clk *bcm_clk = to_kona_clk(hw);
struct clk *clk = hw->clk;
@@ -1075,7 +1075,7 @@ static long kona_peri_clk_determine_rate(struct clk_hw *hw, unsigned long rate,
if (delta < best_delta) {
best_delta = delta;
best_rate = other_rate;
- *best_parent = parent;
+ *best_parent = __clk_get_hw(parent);
*best_parent_rate = parent_rate;
}
}
diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c
index 21784e4eb3f0..440ef81ab15c 100644
--- a/drivers/clk/berlin/bg2q.c
+++ b/drivers/clk/berlin/bg2q.c
@@ -285,7 +285,6 @@ static const struct berlin2_gate_data bg2q_gates[] __initconst = {
{ "pbridge", "perif", 15, CLK_IGNORE_UNUSED },
{ "sdio", "perif", 16, CLK_IGNORE_UNUSED },
{ "nfc", "perif", 18 },
- { "smemc", "perif", 19 },
{ "pcie", "perif", 22 },
};
diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
index b9355daf8065..4386697236a7 100644
--- a/drivers/clk/clk-composite.c
+++ b/drivers/clk/clk-composite.c
@@ -57,7 +57,7 @@ static unsigned long clk_composite_recalc_rate(struct clk_hw *hw,
static long clk_composite_determine_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *best_parent_rate,
- struct clk **best_parent_p)
+ struct clk_hw **best_parent_p)
{
struct clk_composite *composite = to_clk_composite(hw);
const struct clk_ops *rate_ops = composite->rate_ops;
@@ -80,8 +80,9 @@ static long clk_composite_determine_rate(struct clk_hw *hw, unsigned long rate,
*best_parent_p = NULL;
if (__clk_get_flags(hw->clk) & CLK_SET_RATE_NO_REPARENT) {
- *best_parent_p = clk_get_parent(mux_hw->clk);
- *best_parent_rate = __clk_get_rate(*best_parent_p);
+ parent = clk_get_parent(mux_hw->clk);
+ *best_parent_p = __clk_get_hw(parent);
+ *best_parent_rate = __clk_get_rate(parent);
return rate_ops->round_rate(rate_hw, rate,
best_parent_rate);
@@ -103,7 +104,7 @@ static long clk_composite_determine_rate(struct clk_hw *hw, unsigned long rate,
if (!rate_diff || !*best_parent_p
|| best_rate_diff > rate_diff) {
- *best_parent_p = parent;
+ *best_parent_p = __clk_get_hw(parent);
*best_parent_rate = parent_rate;
best_rate_diff = rate_diff;
best_rate = tmp_rate;
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 4f96ff3ba728..6e1ecf94bf58 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -77,7 +77,7 @@ static int clk_mux_set_parent(struct clk_hw *hw, u8 index)
else {
if (mux->flags & CLK_MUX_INDEX_BIT)
- index = (1 << ffs(index));
+ index = 1 << index;
if (mux->flags & CLK_MUX_INDEX_ONE)
index++;
diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-ppc-corenet.c
index b6e6c85507a5..0a47d6f49cd6 100644
--- a/drivers/clk/clk-ppc-corenet.c
+++ b/drivers/clk/clk-ppc-corenet.c
@@ -291,7 +291,7 @@ static const struct of_device_id ppc_clk_ids[] __initconst = {
{}
};
-static struct platform_driver ppc_corenet_clk_driver __initdata = {
+static struct platform_driver ppc_corenet_clk_driver = {
.driver = {
.name = "ppc_corenet_clock",
.of_match_table = ppc_clk_ids,
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 87a41038237d..bfa1e64e267d 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -218,7 +218,7 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
default:
dev_err(&pdev->dev, "Invalid device type\n");
return -EINVAL;
- };
+ }
/* Store clocks of_node in first element of s2mps11_clks array */
s2mps11_clks->clk_np = s2mps11_clk_parse_dt(pdev, clks_init);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 4896ae9e23da..d48ac71c6c8b 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -240,7 +240,6 @@ static const struct file_operations clk_dump_fops = {
.release = single_release,
};
-/* caller must hold prepare_lock */
static int clk_debug_create_one(struct clk *clk, struct dentry *pdentry)
{
struct dentry *d;
@@ -354,13 +353,13 @@ out:
mutex_unlock(&clk_debug_lock);
}
-struct dentry *clk_debugfs_add_file(struct clk *clk, char *name, umode_t mode,
+struct dentry *clk_debugfs_add_file(struct clk_hw *hw, char *name, umode_t mode,
void *data, const struct file_operations *fops)
{
struct dentry *d = NULL;
- if (clk->dentry)
- d = debugfs_create_file(name, mode, clk->dentry, data, fops);
+ if (hw->clk->dentry)
+ d = debugfs_create_file(name, mode, hw->clk->dentry, data, fops);
return d;
}
@@ -574,11 +573,6 @@ unsigned int __clk_get_enable_count(struct clk *clk)
return !clk ? 0 : clk->enable_count;
}
-unsigned int __clk_get_prepare_count(struct clk *clk)
-{
- return !clk ? 0 : clk->prepare_count;
-}
-
unsigned long __clk_get_rate(struct clk *clk)
{
unsigned long ret;
@@ -601,7 +595,7 @@ out:
}
EXPORT_SYMBOL_GPL(__clk_get_rate);
-unsigned long __clk_get_accuracy(struct clk *clk)
+static unsigned long __clk_get_accuracy(struct clk *clk)
{
if (!clk)
return 0;
@@ -707,7 +701,7 @@ struct clk *__clk_lookup(const char *name)
*/
long __clk_mux_determine_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *best_parent_rate,
- struct clk **best_parent_p)
+ struct clk_hw **best_parent_p)
{
struct clk *clk = hw->clk, *parent, *best_parent = NULL;
int i, num_parents;
@@ -743,7 +737,7 @@ long __clk_mux_determine_rate(struct clk_hw *hw, unsigned long rate,
out:
if (best_parent)
- *best_parent_p = best_parent;
+ *best_parent_p = best_parent->hw;
*best_parent_rate = best;
return best;
@@ -951,6 +945,7 @@ unsigned long __clk_round_rate(struct clk *clk, unsigned long rate)
{
unsigned long parent_rate = 0;
struct clk *parent;
+ struct clk_hw *parent_hw;
if (!clk)
return 0;
@@ -959,10 +954,11 @@ unsigned long __clk_round_rate(struct clk *clk, unsigned long rate)
if (parent)
parent_rate = parent->rate;
- if (clk->ops->determine_rate)
+ if (clk->ops->determine_rate) {
+ parent_hw = parent ? parent->hw : NULL;
return clk->ops->determine_rate(clk->hw, rate, &parent_rate,
- &parent);
- else if (clk->ops->round_rate)
+ &parent_hw);
+ } else if (clk->ops->round_rate)
return clk->ops->round_rate(clk->hw, rate, &parent_rate);
else if (clk->flags & CLK_SET_RATE_PARENT)
return __clk_round_rate(clk->parent, rate);
@@ -1350,6 +1346,7 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
{
struct clk *top = clk;
struct clk *old_parent, *parent;
+ struct clk_hw *parent_hw;
unsigned long best_parent_rate = 0;
unsigned long new_rate;
int p_index = 0;
@@ -1365,9 +1362,11 @@ static struct clk *clk_calc_new_rates(struct clk *clk, unsigned long rate)
/* find the closest rate and parent clk/rate */
if (clk->ops->determine_rate) {
+ parent_hw = parent ? parent->hw : NULL;
new_rate = clk->ops->determine_rate(clk->hw, rate,
&best_parent_rate,
- &parent);
+ &parent_hw);
+ parent = parent_hw ? parent_hw->clk : NULL;
} else if (clk->ops->round_rate) {
new_rate = clk->ops->round_rate(clk->hw, rate,
&best_parent_rate);
@@ -1614,7 +1613,7 @@ static struct clk *__clk_init_parent(struct clk *clk)
if (clk->num_parents == 1) {
if (IS_ERR_OR_NULL(clk->parent))
- ret = clk->parent = __clk_lookup(clk->parent_names[0]);
+ clk->parent = __clk_lookup(clk->parent_names[0]);
ret = clk->parent;
goto out;
}
@@ -1944,7 +1943,6 @@ int __clk_init(struct device *dev, struct clk *clk)
else
clk->rate = 0;
- clk_debug_register(clk);
/*
* walk the list of orphan clocks and reparent any that are children of
* this clock
@@ -1979,6 +1977,9 @@ int __clk_init(struct device *dev, struct clk *clk)
out:
clk_prepare_unlock();
+ if (!ret)
+ clk_debug_register(clk);
+
return ret;
}
@@ -2273,14 +2274,17 @@ int __clk_get(struct clk *clk)
void __clk_put(struct clk *clk)
{
+ struct module *owner;
+
if (!clk || WARN_ON_ONCE(IS_ERR(clk)))
return;
clk_prepare_lock();
+ owner = clk->owner;
kref_put(&clk->ref, __clk_release);
clk_prepare_unlock();
- module_put(clk->owner);
+ module_put(owner);
}
/*** clk rate change notifiers ***/
diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c
index 339945d2503b..007144f81f50 100644
--- a/drivers/clk/hisilicon/clk-hi3620.c
+++ b/drivers/clk/hisilicon/clk-hi3620.c
@@ -38,44 +38,44 @@
#include "clk.h"
/* clock parent list */
-static const char *timer0_mux_p[] __initdata = { "osc32k", "timerclk01", };
-static const char *timer1_mux_p[] __initdata = { "osc32k", "timerclk01", };
-static const char *timer2_mux_p[] __initdata = { "osc32k", "timerclk23", };
-static const char *timer3_mux_p[] __initdata = { "osc32k", "timerclk23", };
-static const char *timer4_mux_p[] __initdata = { "osc32k", "timerclk45", };
-static const char *timer5_mux_p[] __initdata = { "osc32k", "timerclk45", };
-static const char *timer6_mux_p[] __initdata = { "osc32k", "timerclk67", };
-static const char *timer7_mux_p[] __initdata = { "osc32k", "timerclk67", };
-static const char *timer8_mux_p[] __initdata = { "osc32k", "timerclk89", };
-static const char *timer9_mux_p[] __initdata = { "osc32k", "timerclk89", };
-static const char *uart0_mux_p[] __initdata = { "osc26m", "pclk", };
-static const char *uart1_mux_p[] __initdata = { "osc26m", "pclk", };
-static const char *uart2_mux_p[] __initdata = { "osc26m", "pclk", };
-static const char *uart3_mux_p[] __initdata = { "osc26m", "pclk", };
-static const char *uart4_mux_p[] __initdata = { "osc26m", "pclk", };
-static const char *spi0_mux_p[] __initdata = { "osc26m", "rclk_cfgaxi", };
-static const char *spi1_mux_p[] __initdata = { "osc26m", "rclk_cfgaxi", };
-static const char *spi2_mux_p[] __initdata = { "osc26m", "rclk_cfgaxi", };
+static const char *timer0_mux_p[] __initconst = { "osc32k", "timerclk01", };
+static const char *timer1_mux_p[] __initconst = { "osc32k", "timerclk01", };
+static const char *timer2_mux_p[] __initconst = { "osc32k", "timerclk23", };
+static const char *timer3_mux_p[] __initconst = { "osc32k", "timerclk23", };
+static const char *timer4_mux_p[] __initconst = { "osc32k", "timerclk45", };
+static const char *timer5_mux_p[] __initconst = { "osc32k", "timerclk45", };
+static const char *timer6_mux_p[] __initconst = { "osc32k", "timerclk67", };
+static const char *timer7_mux_p[] __initconst = { "osc32k", "timerclk67", };
+static const char *timer8_mux_p[] __initconst = { "osc32k", "timerclk89", };
+static const char *timer9_mux_p[] __initconst = { "osc32k", "timerclk89", };
+static const char *uart0_mux_p[] __initconst = { "osc26m", "pclk", };
+static const char *uart1_mux_p[] __initconst = { "osc26m", "pclk", };
+static const char *uart2_mux_p[] __initconst = { "osc26m", "pclk", };
+static const char *uart3_mux_p[] __initconst = { "osc26m", "pclk", };
+static const char *uart4_mux_p[] __initconst = { "osc26m", "pclk", };
+static const char *spi0_mux_p[] __initconst = { "osc26m", "rclk_cfgaxi", };
+static const char *spi1_mux_p[] __initconst = { "osc26m", "rclk_cfgaxi", };
+static const char *spi2_mux_p[] __initconst = { "osc26m", "rclk_cfgaxi", };
/* share axi parent */
-static const char *saxi_mux_p[] __initdata = { "armpll3", "armpll2", };
-static const char *pwm0_mux_p[] __initdata = { "osc32k", "osc26m", };
-static const char *pwm1_mux_p[] __initdata = { "osc32k", "osc26m", };
-static const char *sd_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *mmc1_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *mmc1_mux2_p[] __initdata = { "osc26m", "mmc1_div", };
-static const char *g2d_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *venc_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *vdec_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *vpp_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *edc0_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *ldi0_mux_p[] __initdata = { "armpll2", "armpll4",
+static const char *saxi_mux_p[] __initconst = { "armpll3", "armpll2", };
+static const char *pwm0_mux_p[] __initconst = { "osc32k", "osc26m", };
+static const char *pwm1_mux_p[] __initconst = { "osc32k", "osc26m", };
+static const char *sd_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *mmc1_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *mmc1_mux2_p[] __initconst = { "osc26m", "mmc1_div", };
+static const char *g2d_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *venc_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *vdec_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *vpp_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *edc0_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *ldi0_mux_p[] __initconst = { "armpll2", "armpll4",
"armpll3", "armpll5", };
-static const char *edc1_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *ldi1_mux_p[] __initdata = { "armpll2", "armpll4",
+static const char *edc1_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *ldi1_mux_p[] __initconst = { "armpll2", "armpll4",
"armpll3", "armpll5", };
-static const char *rclk_hsic_p[] __initdata = { "armpll3", "armpll2", };
-static const char *mmc2_mux_p[] __initdata = { "armpll2", "armpll3", };
-static const char *mmc3_mux_p[] __initdata = { "armpll2", "armpll3", };
+static const char *rclk_hsic_p[] __initconst = { "armpll3", "armpll2", };
+static const char *mmc2_mux_p[] __initconst = { "armpll2", "armpll3", };
+static const char *mmc3_mux_p[] __initconst = { "armpll2", "armpll3", };
/* fixed rate clocks */
@@ -296,7 +296,7 @@ static unsigned long mmc_clk_recalc_rate(struct clk_hw *hw,
static long mmc_clk_determine_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *best_parent_rate,
- struct clk **best_parent_p)
+ struct clk_hw **best_parent_p)
{
struct clk_mmc *mclk = to_mmc(hw);
unsigned long best = 0;
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index 392d78044ce3..3caaf7cc169c 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -2,7 +2,12 @@
# Makefile for mmp specific clk
#
-obj-y += clk-apbc.o clk-apmu.o clk-frac.o
+obj-y += clk-apbc.o clk-apmu.o clk-frac.o clk-mix.o clk-gate.o clk.o
+
+obj-$(CONFIG_RESET_CONTROLLER) += reset.o
+
+obj-$(CONFIG_MACH_MMP_DT) += clk-of-pxa168.o clk-of-pxa910.o
+obj-$(CONFIG_MACH_MMP2_DT) += clk-of-mmp2.o
obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o
diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c
index 23a56f561812..584a9927993b 100644
--- a/drivers/clk/mmp/clk-frac.c
+++ b/drivers/clk/mmp/clk-frac.c
@@ -22,19 +22,12 @@
* numerator/denominator = Fin / (Fout * factor)
*/
-#define to_clk_factor(hw) container_of(hw, struct clk_factor, hw)
-struct clk_factor {
- struct clk_hw hw;
- void __iomem *base;
- struct clk_factor_masks *masks;
- struct clk_factor_tbl *ftbl;
- unsigned int ftbl_cnt;
-};
+#define to_clk_factor(hw) container_of(hw, struct mmp_clk_factor, hw)
static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
unsigned long *prate)
{
- struct clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
unsigned long rate = 0, prev_rate;
int i;
@@ -58,8 +51,8 @@ static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct clk_factor *factor = to_clk_factor(hw);
- struct clk_factor_masks *masks = factor->masks;
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor_masks *masks = factor->masks;
unsigned int val, num, den;
val = readl_relaxed(factor->base);
@@ -81,11 +74,12 @@ static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
unsigned long prate)
{
- struct clk_factor *factor = to_clk_factor(hw);
- struct clk_factor_masks *masks = factor->masks;
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor_masks *masks = factor->masks;
int i;
unsigned long val;
unsigned long prev_rate, rate = 0;
+ unsigned long flags = 0;
for (i = 0; i < factor->ftbl_cnt; i++) {
prev_rate = rate;
@@ -97,6 +91,9 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
if (i > 0)
i--;
+ if (factor->lock)
+ spin_lock_irqsave(factor->lock, flags);
+
val = readl_relaxed(factor->base);
val &= ~(masks->num_mask << masks->num_shift);
@@ -107,21 +104,65 @@ static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
writel_relaxed(val, factor->base);
+ if (factor->lock)
+ spin_unlock_irqrestore(factor->lock, flags);
+
return 0;
}
+static void clk_factor_init(struct clk_hw *hw)
+{
+ struct mmp_clk_factor *factor = to_clk_factor(hw);
+ struct mmp_clk_factor_masks *masks = factor->masks;
+ u32 val, num, den;
+ int i;
+ unsigned long flags = 0;
+
+ if (factor->lock)
+ spin_lock_irqsave(factor->lock, flags);
+
+ val = readl(factor->base);
+
+ /* calculate numerator */
+ num = (val >> masks->num_shift) & masks->num_mask;
+
+ /* calculate denominator */
+ den = (val >> masks->den_shift) & masks->den_mask;
+
+ for (i = 0; i < factor->ftbl_cnt; i++)
+ if (den == factor->ftbl[i].den && num == factor->ftbl[i].num)
+ break;
+
+ if (i >= factor->ftbl_cnt) {
+ val &= ~(masks->num_mask << masks->num_shift);
+ val |= (factor->ftbl[0].num & masks->num_mask) <<
+ masks->num_shift;
+
+ val &= ~(masks->den_mask << masks->den_shift);
+ val |= (factor->ftbl[0].den & masks->den_mask) <<
+ masks->den_shift;
+
+ writel(val, factor->base);
+ }
+
+ if (factor->lock)
+ spin_unlock_irqrestore(factor->lock, flags);
+}
+
static struct clk_ops clk_factor_ops = {
.recalc_rate = clk_factor_recalc_rate,
.round_rate = clk_factor_round_rate,
.set_rate = clk_factor_set_rate,
+ .init = clk_factor_init,
};
struct clk *mmp_clk_register_factor(const char *name, const char *parent_name,
unsigned long flags, void __iomem *base,
- struct clk_factor_masks *masks, struct clk_factor_tbl *ftbl,
- unsigned int ftbl_cnt)
+ struct mmp_clk_factor_masks *masks,
+ struct mmp_clk_factor_tbl *ftbl,
+ unsigned int ftbl_cnt, spinlock_t *lock)
{
- struct clk_factor *factor;
+ struct mmp_clk_factor *factor;
struct clk_init_data init;
struct clk *clk;
@@ -142,6 +183,7 @@ struct clk *mmp_clk_register_factor(const char *name, const char *parent_name,
factor->ftbl = ftbl;
factor->ftbl_cnt = ftbl_cnt;
factor->hw.init = &init;
+ factor->lock = lock;
init.name = name;
init.ops = &clk_factor_ops;
diff --git a/drivers/clk/mmp/clk-gate.c b/drivers/clk/mmp/clk-gate.c
new file mode 100644
index 000000000000..adbd9d64ded2
--- /dev/null
+++ b/drivers/clk/mmp/clk-gate.c
@@ -0,0 +1,133 @@
+/*
+ * mmp gate clock operation source file
+ *
+ * Copyright (C) 2014 Marvell
+ * Chao Xie <chao.xie@marvell.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+
+#include "clk.h"
+
+/*
+ * Some clocks will have mutiple bits to enable the clocks, and
+ * the bits to disable the clock is not same as enabling bits.
+ */
+
+#define to_clk_mmp_gate(hw) container_of(hw, struct mmp_clk_gate, hw)
+
+static int mmp_clk_gate_enable(struct clk_hw *hw)
+{
+ struct mmp_clk_gate *gate = to_clk_mmp_gate(hw);
+ struct clk *clk = hw->clk;
+ unsigned long flags = 0;
+ unsigned long rate;
+ u32 tmp;
+
+ if (gate->lock)
+ spin_lock_irqsave(gate->lock, flags);
+
+ tmp = readl(gate->reg);
+ tmp &= ~gate->mask;
+ tmp |= gate->val_enable;
+ writel(tmp, gate->reg);
+
+ if (gate->lock)
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ if (gate->flags & MMP_CLK_GATE_NEED_DELAY) {
+ rate = __clk_get_rate(clk);
+ /* Need delay 2 cycles. */
+ udelay(2000000/rate);
+ }
+
+ return 0;
+}
+
+static void mmp_clk_gate_disable(struct clk_hw *hw)
+{
+ struct mmp_clk_gate *gate = to_clk_mmp_gate(hw);
+ unsigned long flags = 0;
+ u32 tmp;
+
+ if (gate->lock)
+ spin_lock_irqsave(gate->lock, flags);
+
+ tmp = readl(gate->reg);
+ tmp &= ~gate->mask;
+ tmp |= gate->val_disable;
+ writel(tmp, gate->reg);
+
+ if (gate->lock)
+ spin_unlock_irqrestore(gate->lock, flags);
+}
+
+static int mmp_clk_gate_is_enabled(struct clk_hw *hw)
+{
+ struct mmp_clk_gate *gate = to_clk_mmp_gate(hw);
+ unsigned long flags = 0;
+ u32 tmp;
+
+ if (gate->lock)
+ spin_lock_irqsave(gate->lock, flags);
+
+ tmp = readl(gate->reg);
+
+ if (gate->lock)
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ return (tmp & gate->mask) == gate->val_enable;
+}
+
+const struct clk_ops mmp_clk_gate_ops = {
+ .enable = mmp_clk_gate_enable,
+ .disable = mmp_clk_gate_disable,
+ .is_enabled = mmp_clk_gate_is_enabled,
+};
+
+struct clk *mmp_clk_register_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u32 mask, u32 val_enable, u32 val_disable,
+ unsigned int gate_flags, spinlock_t *lock)
+{
+ struct mmp_clk_gate *gate;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ /* allocate the gate */
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate) {
+ pr_err("%s:%s could not allocate gate clk\n", __func__, name);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.ops = &mmp_clk_gate_ops;
+ init.flags = flags | CLK_IS_BASIC;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ /* struct clk_gate assignments */
+ gate->reg = reg;
+ gate->mask = mask;
+ gate->val_enable = val_enable;
+ gate->val_disable = val_disable;
+ gate->flags = gate_flags;
+ gate->lock = lock;
+ gate->hw.init = &init;
+
+ clk = clk_register(dev, &gate->hw);
+
+ if (IS_ERR(clk))
+ kfree(gate);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c
new file mode 100644
index 000000000000..48fa53c7ce5e
--- /dev/null
+++ b/drivers/clk/mmp/clk-mix.c
@@ -0,0 +1,513 @@
+/*
+ * mmp mix(div and mux) clock operation source file
+ *
+ * Copyright (C) 2014 Marvell
+ * Chao Xie <chao.xie@marvell.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+
+#include "clk.h"
+
+/*
+ * The mix clock is a clock combined mux and div type clock.
+ * Because the div field and mux field need to be set at same
+ * time, we can not divide it into 2 types of clock
+ */
+
+#define to_clk_mix(hw) container_of(hw, struct mmp_clk_mix, hw)
+
+static unsigned int _get_maxdiv(struct mmp_clk_mix *mix)
+{
+ unsigned int div_mask = (1 << mix->reg_info.width_div) - 1;
+ unsigned int maxdiv = 0;
+ struct clk_div_table *clkt;
+
+ if (mix->div_flags & CLK_DIVIDER_ONE_BASED)
+ return div_mask;
+ if (mix->div_flags & CLK_DIVIDER_POWER_OF_TWO)
+ return 1 << div_mask;
+ if (mix->div_table) {
+ for (clkt = mix->div_table; clkt->div; clkt++)
+ if (clkt->div > maxdiv)
+ maxdiv = clkt->div;
+ return maxdiv;
+ }
+ return div_mask + 1;
+}
+
+static unsigned int _get_div(struct mmp_clk_mix *mix, unsigned int val)
+{
+ struct clk_div_table *clkt;
+
+ if (mix->div_flags & CLK_DIVIDER_ONE_BASED)
+ return val;
+ if (mix->div_flags & CLK_DIVIDER_POWER_OF_TWO)
+ return 1 << val;
+ if (mix->div_table) {
+ for (clkt = mix->div_table; clkt->div; clkt++)
+ if (clkt->val == val)
+ return clkt->div;
+ if (clkt->div == 0)
+ return 0;
+ }
+ return val + 1;
+}
+
+static unsigned int _get_mux(struct mmp_clk_mix *mix, unsigned int val)
+{
+ int num_parents = __clk_get_num_parents(mix->hw.clk);
+ int i;
+
+ if (mix->mux_flags & CLK_MUX_INDEX_BIT)
+ return ffs(val) - 1;
+ if (mix->mux_flags & CLK_MUX_INDEX_ONE)
+ return val - 1;
+ if (mix->mux_table) {
+ for (i = 0; i < num_parents; i++)
+ if (mix->mux_table[i] == val)
+ return i;
+ if (i == num_parents)
+ return 0;
+ }
+
+ return val;
+}
+static unsigned int _get_div_val(struct mmp_clk_mix *mix, unsigned int div)
+{
+ struct clk_div_table *clkt;
+
+ if (mix->div_flags & CLK_DIVIDER_ONE_BASED)
+ return div;
+ if (mix->div_flags & CLK_DIVIDER_POWER_OF_TWO)
+ return __ffs(div);
+ if (mix->div_table) {
+ for (clkt = mix->div_table; clkt->div; clkt++)
+ if (clkt->div == div)
+ return clkt->val;
+ if (clkt->div == 0)
+ return 0;
+ }
+
+ return div - 1;
+}
+
+static unsigned int _get_mux_val(struct mmp_clk_mix *mix, unsigned int mux)
+{
+ if (mix->mux_table)
+ return mix->mux_table[mux];
+
+ return mux;
+}
+
+static void _filter_clk_table(struct mmp_clk_mix *mix,
+ struct mmp_clk_mix_clk_table *table,
+ unsigned int table_size)
+{
+ int i;
+ struct mmp_clk_mix_clk_table *item;
+ struct clk *parent, *clk;
+ unsigned long parent_rate;
+
+ clk = mix->hw.clk;
+
+ for (i = 0; i < table_size; i++) {
+ item = &table[i];
+ parent = clk_get_parent_by_index(clk, item->parent_index);
+ parent_rate = __clk_get_rate(parent);
+ if (parent_rate % item->rate) {
+ item->valid = 0;
+ } else {
+ item->divisor = parent_rate / item->rate;
+ item->valid = 1;
+ }
+ }
+}
+
+static int _set_rate(struct mmp_clk_mix *mix, u32 mux_val, u32 div_val,
+ unsigned int change_mux, unsigned int change_div)
+{
+ struct mmp_clk_mix_reg_info *ri = &mix->reg_info;
+ u8 width, shift;
+ u32 mux_div, fc_req;
+ int ret, timeout = 50;
+ unsigned long flags = 0;
+
+ if (!change_mux && !change_div)
+ return -EINVAL;
+
+ if (mix->lock)
+ spin_lock_irqsave(mix->lock, flags);
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1
+ || mix->type == MMP_CLK_MIX_TYPE_V2)
+ mux_div = readl(ri->reg_clk_ctrl);
+ else
+ mux_div = readl(ri->reg_clk_sel);
+
+ if (change_div) {
+ width = ri->width_div;
+ shift = ri->shift_div;
+ mux_div &= ~MMP_CLK_BITS_MASK(width, shift);
+ mux_div |= MMP_CLK_BITS_SET_VAL(div_val, width, shift);
+ }
+
+ if (change_mux) {
+ width = ri->width_mux;
+ shift = ri->shift_mux;
+ mux_div &= ~MMP_CLK_BITS_MASK(width, shift);
+ mux_div |= MMP_CLK_BITS_SET_VAL(mux_val, width, shift);
+ }
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1) {
+ writel(mux_div, ri->reg_clk_ctrl);
+ } else if (mix->type == MMP_CLK_MIX_TYPE_V2) {
+ mux_div |= (1 << ri->bit_fc);
+ writel(mux_div, ri->reg_clk_ctrl);
+
+ do {
+ fc_req = readl(ri->reg_clk_ctrl);
+ timeout--;
+ if (!(fc_req & (1 << ri->bit_fc)))
+ break;
+ } while (timeout);
+
+ if (timeout == 0) {
+ pr_err("%s:%s cannot do frequency change\n",
+ __func__, __clk_get_name(mix->hw.clk));
+ ret = -EBUSY;
+ goto error;
+ }
+ } else {
+ fc_req = readl(ri->reg_clk_ctrl);
+ fc_req |= 1 << ri->bit_fc;
+ writel(fc_req, ri->reg_clk_ctrl);
+ writel(mux_div, ri->reg_clk_sel);
+ fc_req &= ~(1 << ri->bit_fc);
+ }
+
+ ret = 0;
+error:
+ if (mix->lock)
+ spin_unlock_irqrestore(mix->lock, flags);
+
+ return ret;
+}
+
+static long mmp_clk_mix_determine_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *best_parent_rate,
+ struct clk_hw **best_parent_clk)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_clk_table *item;
+ struct clk *parent, *parent_best, *mix_clk;
+ unsigned long parent_rate, mix_rate, mix_rate_best, parent_rate_best;
+ unsigned long gap, gap_best;
+ u32 div_val_max;
+ unsigned int div;
+ int i, j;
+
+ mix_clk = hw->clk;
+
+ parent = NULL;
+ mix_rate_best = 0;
+ parent_rate_best = 0;
+ gap_best = rate;
+ parent_best = NULL;
+
+ if (mix->table) {
+ for (i = 0; i < mix->table_size; i++) {
+ item = &mix->table[i];
+ if (item->valid == 0)
+ continue;
+ parent = clk_get_parent_by_index(mix_clk,
+ item->parent_index);
+ parent_rate = __clk_get_rate(parent);
+ mix_rate = parent_rate / item->divisor;
+ gap = abs(mix_rate - rate);
+ if (parent_best == NULL || gap < gap_best) {
+ parent_best = parent;
+ parent_rate_best = parent_rate;
+ mix_rate_best = mix_rate;
+ gap_best = gap;
+ if (gap_best == 0)
+ goto found;
+ }
+ }
+ } else {
+ for (i = 0; i < __clk_get_num_parents(mix_clk); i++) {
+ parent = clk_get_parent_by_index(mix_clk, i);
+ parent_rate = __clk_get_rate(parent);
+ div_val_max = _get_maxdiv(mix);
+ for (j = 0; j < div_val_max; j++) {
+ div = _get_div(mix, j);
+ mix_rate = parent_rate / div;
+ gap = abs(mix_rate - rate);
+ if (parent_best == NULL || gap < gap_best) {
+ parent_best = parent;
+ parent_rate_best = parent_rate;
+ mix_rate_best = mix_rate;
+ gap_best = gap;
+ if (gap_best == 0)
+ goto found;
+ }
+ }
+ }
+ }
+
+found:
+ *best_parent_rate = parent_rate_best;
+ *best_parent_clk = __clk_get_hw(parent_best);
+
+ return mix_rate_best;
+}
+
+static int mmp_clk_mix_set_rate_and_parent(struct clk_hw *hw,
+ unsigned long rate,
+ unsigned long parent_rate,
+ u8 index)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ unsigned int div;
+ u32 div_val, mux_val;
+
+ div = parent_rate / rate;
+ div_val = _get_div_val(mix, div);
+ mux_val = _get_mux_val(mix, index);
+
+ return _set_rate(mix, mux_val, div_val, 1, 1);
+}
+
+static u8 mmp_clk_mix_get_parent(struct clk_hw *hw)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_reg_info *ri = &mix->reg_info;
+ unsigned long flags = 0;
+ u32 mux_div = 0;
+ u8 width, shift;
+ u32 mux_val;
+
+ if (mix->lock)
+ spin_lock_irqsave(mix->lock, flags);
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1
+ || mix->type == MMP_CLK_MIX_TYPE_V2)
+ mux_div = readl(ri->reg_clk_ctrl);
+ else
+ mux_div = readl(ri->reg_clk_sel);
+
+ if (mix->lock)
+ spin_unlock_irqrestore(mix->lock, flags);
+
+ width = mix->reg_info.width_mux;
+ shift = mix->reg_info.shift_mux;
+
+ mux_val = MMP_CLK_BITS_GET_VAL(mux_div, width, shift);
+
+ return _get_mux(mix, mux_val);
+}
+
+static unsigned long mmp_clk_mix_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_reg_info *ri = &mix->reg_info;
+ unsigned long flags = 0;
+ u32 mux_div = 0;
+ u8 width, shift;
+ unsigned int div;
+
+ if (mix->lock)
+ spin_lock_irqsave(mix->lock, flags);
+
+ if (mix->type == MMP_CLK_MIX_TYPE_V1
+ || mix->type == MMP_CLK_MIX_TYPE_V2)
+ mux_div = readl(ri->reg_clk_ctrl);
+ else
+ mux_div = readl(ri->reg_clk_sel);
+
+ if (mix->lock)
+ spin_unlock_irqrestore(mix->lock, flags);
+
+ width = mix->reg_info.width_div;
+ shift = mix->reg_info.shift_div;
+
+ div = _get_div(mix, MMP_CLK_BITS_GET_VAL(mux_div, width, shift));
+
+ return parent_rate / div;
+}
+
+static int mmp_clk_set_parent(struct clk_hw *hw, u8 index)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_clk_table *item;
+ int i;
+ u32 div_val, mux_val;
+
+ if (mix->table) {
+ for (i = 0; i < mix->table_size; i++) {
+ item = &mix->table[i];
+ if (item->valid == 0)
+ continue;
+ if (item->parent_index == index)
+ break;
+ }
+ if (i < mix->table_size) {
+ div_val = _get_div_val(mix, item->divisor);
+ mux_val = _get_mux_val(mix, item->parent_index);
+ } else
+ return -EINVAL;
+ } else {
+ mux_val = _get_mux_val(mix, index);
+ div_val = 0;
+ }
+
+ return _set_rate(mix, mux_val, div_val, 1, div_val ? 1 : 0);
+}
+
+static int mmp_clk_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long best_parent_rate)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+ struct mmp_clk_mix_clk_table *item;
+ unsigned long parent_rate;
+ unsigned int best_divisor;
+ struct clk *mix_clk, *parent;
+ int i;
+
+ best_divisor = best_parent_rate / rate;
+
+ mix_clk = hw->clk;
+ if (mix->table) {
+ for (i = 0; i < mix->table_size; i++) {
+ item = &mix->table[i];
+ if (item->valid == 0)
+ continue;
+ parent = clk_get_parent_by_index(mix_clk,
+ item->parent_index);
+ parent_rate = __clk_get_rate(parent);
+ if (parent_rate == best_parent_rate
+ && item->divisor == best_divisor)
+ break;
+ }
+ if (i < mix->table_size)
+ return _set_rate(mix,
+ _get_mux_val(mix, item->parent_index),
+ _get_div_val(mix, item->divisor),
+ 1, 1);
+ else
+ return -EINVAL;
+ } else {
+ for (i = 0; i < __clk_get_num_parents(mix_clk); i++) {
+ parent = clk_get_parent_by_index(mix_clk, i);
+ parent_rate = __clk_get_rate(parent);
+ if (parent_rate == best_parent_rate)
+ break;
+ }
+ if (i < __clk_get_num_parents(mix_clk))
+ return _set_rate(mix, _get_mux_val(mix, i),
+ _get_div_val(mix, best_divisor), 1, 1);
+ else
+ return -EINVAL;
+ }
+}
+
+static void mmp_clk_mix_init(struct clk_hw *hw)
+{
+ struct mmp_clk_mix *mix = to_clk_mix(hw);
+
+ if (mix->table)
+ _filter_clk_table(mix, mix->table, mix->table_size);
+}
+
+const struct clk_ops mmp_clk_mix_ops = {
+ .determine_rate = mmp_clk_mix_determine_rate,
+ .set_rate_and_parent = mmp_clk_mix_set_rate_and_parent,
+ .set_rate = mmp_clk_set_rate,
+ .set_parent = mmp_clk_set_parent,
+ .get_parent = mmp_clk_mix_get_parent,
+ .recalc_rate = mmp_clk_mix_recalc_rate,
+ .init = mmp_clk_mix_init,
+};
+
+struct clk *mmp_clk_register_mix(struct device *dev,
+ const char *name,
+ const char **parent_names,
+ u8 num_parents,
+ unsigned long flags,
+ struct mmp_clk_mix_config *config,
+ spinlock_t *lock)
+{
+ struct mmp_clk_mix *mix;
+ struct clk *clk;
+ struct clk_init_data init;
+ size_t table_bytes;
+
+ mix = kzalloc(sizeof(*mix), GFP_KERNEL);
+ if (!mix) {
+ pr_err("%s:%s: could not allocate mmp mix clk\n",
+ __func__, name);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ init.name = name;
+ init.flags = flags | CLK_GET_RATE_NOCACHE;
+ init.parent_names = parent_names;
+ init.num_parents = num_parents;
+ init.ops = &mmp_clk_mix_ops;
+
+ memcpy(&mix->reg_info, &config->reg_info, sizeof(config->reg_info));
+ if (config->table) {
+ table_bytes = sizeof(*config->table) * config->table_size;
+ mix->table = kzalloc(table_bytes, GFP_KERNEL);
+ if (!mix->table) {
+ pr_err("%s:%s: could not allocate mmp mix table\n",
+ __func__, name);
+ kfree(mix);
+ return ERR_PTR(-ENOMEM);
+ }
+ memcpy(mix->table, config->table, table_bytes);
+ mix->table_size = config->table_size;
+ }
+
+ if (config->mux_table) {
+ table_bytes = sizeof(u32) * num_parents;
+ mix->mux_table = kzalloc(table_bytes, GFP_KERNEL);
+ if (!mix->mux_table) {
+ pr_err("%s:%s: could not allocate mmp mix mux-table\n",
+ __func__, name);
+ kfree(mix->table);
+ kfree(mix);
+ return ERR_PTR(-ENOMEM);
+ }
+ memcpy(mix->mux_table, config->mux_table, table_bytes);
+ }
+
+ mix->div_flags = config->div_flags;
+ mix->mux_flags = config->mux_flags;
+ mix->lock = lock;
+ mix->hw.init = &init;
+
+ if (config->reg_info.bit_fc >= 32)
+ mix->type = MMP_CLK_MIX_TYPE_V1;
+ else if (config->reg_info.reg_clk_sel)
+ mix->type = MMP_CLK_MIX_TYPE_V3;
+ else
+ mix->type = MMP_CLK_MIX_TYPE_V2;
+ clk = clk_register(dev, &mix->hw);
+
+ if (IS_ERR(clk)) {
+ kfree(mix->mux_table);
+ kfree(mix->table);
+ kfree(mix);
+ }
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c
index b2721cae257a..5c90a4230fa3 100644
--- a/drivers/clk/mmp/clk-mmp2.c
+++ b/drivers/clk/mmp/clk-mmp2.c
@@ -54,7 +54,7 @@
static DEFINE_SPINLOCK(clk_lock);
-static struct clk_factor_masks uart_factor_masks = {
+static struct mmp_clk_factor_masks uart_factor_masks = {
.factor = 2,
.num_mask = 0x1fff,
.den_mask = 0x1fff,
@@ -62,7 +62,7 @@ static struct clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct clk_factor_tbl uart_factor_tbl[] = {
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
{.num = 14634, .den = 2165}, /*14.745MHZ */
{.num = 3521, .den = 689}, /*19.23MHZ */
{.num = 9679, .den = 5728}, /*58.9824MHZ */
@@ -191,7 +191,7 @@ void __init mmp2_clk_init(void)
clk = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
mpmu_base + MPMU_UART_PLL,
&uart_factor_masks, uart_factor_tbl,
- ARRAY_SIZE(uart_factor_tbl));
+ ARRAY_SIZE(uart_factor_tbl), &clk_lock);
clk_set_rate(clk, 14745600);
clk_register_clkdev(clk, "uart_pll", NULL);
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
new file mode 100644
index 000000000000..2cbc2b43ae52
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -0,0 +1,334 @@
+/*
+ * mmp2 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/marvell,mmp2.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define APBC_RTC 0x0
+#define APBC_TWSI0 0x4
+#define APBC_TWSI1 0x8
+#define APBC_TWSI2 0xc
+#define APBC_TWSI3 0x10
+#define APBC_TWSI4 0x7c
+#define APBC_TWSI5 0x80
+#define APBC_KPC 0x18
+#define APBC_UART0 0x2c
+#define APBC_UART1 0x30
+#define APBC_UART2 0x34
+#define APBC_UART3 0x88
+#define APBC_GPIO 0x38
+#define APBC_PWM0 0x3c
+#define APBC_PWM1 0x40
+#define APBC_PWM2 0x44
+#define APBC_PWM3 0x48
+#define APBC_SSP0 0x50
+#define APBC_SSP1 0x54
+#define APBC_SSP2 0x58
+#define APBC_SSP3 0x5c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_SDH2 0xe8
+#define APMU_SDH3 0xec
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_DISP1 0x110
+#define APMU_CCIC0 0x50
+#define APMU_CCIC1 0xf4
+#define MPMU_UART_PLL 0x14
+
+struct mmp2_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {MMP2_CLK_CLK32, "clk32", NULL, CLK_IS_ROOT, 32768},
+ {MMP2_CLK_VCTCXO, "vctcxo", NULL, CLK_IS_ROOT, 26000000},
+ {MMP2_CLK_PLL1, "pll1", NULL, CLK_IS_ROOT, 800000000},
+ {MMP2_CLK_PLL2, "pll2", NULL, CLK_IS_ROOT, 960000000},
+ {MMP2_CLK_USB_PLL, "usb_pll", NULL, CLK_IS_ROOT, 480000000},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
+ {MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
+ {MMP2_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
+ {MMP2_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
+ {MMP2_CLK_PLL1_20, "pll1_20", "pll1_4", 1, 5, 0},
+ {MMP2_CLK_PLL1_3, "pll1_3", "pll1", 1, 3, 0},
+ {MMP2_CLK_PLL1_6, "pll1_6", "pll1_3", 1, 2, 0},
+ {MMP2_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
+ {MMP2_CLK_PLL2_2, "pll2_2", "pll2", 1, 2, 0},
+ {MMP2_CLK_PLL2_4, "pll2_4", "pll2_2", 1, 2, 0},
+ {MMP2_CLK_PLL2_8, "pll2_8", "pll2_4", 1, 2, 0},
+ {MMP2_CLK_PLL2_16, "pll2_16", "pll2_8", 1, 2, 0},
+ {MMP2_CLK_PLL2_3, "pll2_3", "pll2", 1, 3, 0},
+ {MMP2_CLK_PLL2_6, "pll2_6", "pll2_3", 1, 2, 0},
+ {MMP2_CLK_PLL2_12, "pll2_12", "pll2_6", 1, 2, 0},
+ {MMP2_CLK_VCTCXO_2, "vctcxo_2", "vctcxo", 1, 2, 0},
+ {MMP2_CLK_VCTCXO_4, "vctcxo_4", "vctcxo_2", 1, 2, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 14634, .den = 2165}, /*14.745MHZ */
+ {.num = 3521, .den = 689}, /*19.23MHZ */
+ {.num = 9679, .den = 5728}, /*58.9824MHZ */
+ {.num = 15850, .den = 9451}, /*59.429MHZ */
+};
+
+static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+ mmp_clk_add(unit, MMP2_CLK_UART_PLL, clk);
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static const char *uart_parent_names[] = {"uart_pll", "vctcxo"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static DEFINE_SPINLOCK(ssp2_lock);
+static DEFINE_SPINLOCK(ssp3_lock);
+static const char *ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock},
+ {0, "uart3_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART3, 4, 3, 0, &uart2_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
+ {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock},
+ {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {MMP2_CLK_TWSI0, "twsi0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI1, "twsi1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI2, "twsi2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI2, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI3, "twsi3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI3, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI4, "twsi4_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI4, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_TWSI5, "twsi5_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_TWSI5, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP2_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x87, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP2_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x7, 0x3, 0x0, 0, &reset_lock},
+ {MMP2_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x7, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {MMP2_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x7, 0x3, 0x0, 0, &uart0_lock},
+ {MMP2_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x7, 0x3, 0x0, 0, &uart1_lock},
+ {MMP2_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x7, 0x3, 0x0, 0, &uart2_lock},
+ {MMP2_CLK_UART3, "uart3_clk", "uart3_mux", CLK_SET_RATE_PARENT, APBC_UART3, 0x7, 0x3, 0x0, 0, &uart2_lock},
+ {MMP2_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x7, 0x3, 0x0, 0, &ssp0_lock},
+ {MMP2_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x7, 0x3, 0x0, 0, &ssp1_lock},
+ {MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock},
+ {MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock},
+};
+
+static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+}
+
+static DEFINE_SPINLOCK(sdh_lock);
+static const char *sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
+static struct mmp_clk_mix_config sdh_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32),
+};
+
+static DEFINE_SPINLOCK(usb_lock);
+
+static DEFINE_SPINLOCK(disp0_lock);
+static DEFINE_SPINLOCK(disp1_lock);
+static const char *disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
+
+static DEFINE_SPINLOCK(ccic0_lock);
+static DEFINE_SPINLOCK(ccic1_lock);
+static const char *ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"};
+static struct mmp_clk_mix_config ccic0_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32),
+};
+static struct mmp_clk_mix_config ccic1_mix_config = {
+ .reg_info = DEFINE_MIX_REG_INFO(4, 16, 2, 6, 32),
+};
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {MMP2_CLK_DISP0_MUX, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 2, 0, &disp0_lock},
+ {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, 0, &disp0_lock},
+ {0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock},
+ {0, "disp1_div", "disp1_mux", CLK_SET_RATE_PARENT, APMU_DISP1, 8, 4, 0, &disp1_lock},
+ {0, "ccic0_sphy_div", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
+ {0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
+ /* The gate clocks has mux parent. */
+ {MMP2_CLK_SDH0, "sdh0_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_SDH1, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_SDH1, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1b, 0x1b, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x1b, 0x1b, 0x0, 0, &disp1_lock},
+ {MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC0, "ccic0_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
+ {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock},
+ {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock},
+ {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock},
+};
+
+static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ sdh_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_SDH0;
+ clk = mmp_clk_register_mix(NULL, "sdh_mix_clk", sdh_parent_names,
+ ARRAY_SIZE(sdh_parent_names),
+ CLK_SET_RATE_PARENT,
+ &sdh_mix_config, &sdh_lock);
+
+ ccic0_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC0;
+ clk = mmp_clk_register_mix(NULL, "ccic0_mix_clk", ccic_parent_names,
+ ARRAY_SIZE(ccic_parent_names),
+ CLK_SET_RATE_PARENT,
+ &ccic0_mix_config, &ccic0_lock);
+ mmp_clk_add(unit, MMP2_CLK_CCIC0_MIX, clk);
+
+ ccic1_mix_config.reg_info.reg_clk_ctrl = pxa_unit->apmu_base + APMU_CCIC1;
+ clk = mmp_clk_register_mix(NULL, "ccic1_mix_clk", ccic_parent_names,
+ ARRAY_SIZE(ccic_parent_names),
+ CLK_SET_RATE_PARENT,
+ &ccic1_mix_config, &ccic1_lock);
+ mmp_clk_add(unit, MMP2_CLK_CCIC1_MIX, clk);
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void mmp2_clk_reset_init(struct device_node *np,
+ struct mmp2_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, nr_resets;
+
+ nr_resets = ARRAY_SIZE(apbc_gate_clks);
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ for (i = 0; i < nr_resets; i++) {
+ cells[i].clk_id = apbc_gate_clks[i].id;
+ cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[i].flags = 0;
+ cells[i].lock = apbc_gate_clks[i].lock;
+ cells[i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void __init mmp2_clk_init(struct device_node *np)
+{
+ struct mmp2_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ return;
+ }
+
+ pxa_unit->apmu_base = of_iomap(np, 1);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map apmu registers\n");
+ return;
+ }
+
+ pxa_unit->apbc_base = of_iomap(np, 2);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS);
+
+ mmp2_pll_init(pxa_unit);
+
+ mmp2_apb_periph_clk_init(pxa_unit);
+
+ mmp2_axi_periph_clk_init(pxa_unit);
+
+ mmp2_clk_reset_init(np, pxa_unit);
+}
+
+CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);
diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c
new file mode 100644
index 000000000000..5b1810dc4bd2
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-pxa168.c
@@ -0,0 +1,279 @@
+/*
+ * pxa168 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/marvell,pxa168.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x30
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x81c
+#define APBC_SSP1 0x820
+#define APBC_SSP2 0x84c
+#define APBC_SSP3 0x858
+#define APBC_SSP4 0x85c
+#define APBC_TWSI1 0x6c
+#define APBC_UART2 0x70
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+struct pxa168_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {PXA168_CLK_CLK32, "clk32", NULL, CLK_IS_ROOT, 32768},
+ {PXA168_CLK_VCTCXO, "vctcxo", NULL, CLK_IS_ROOT, 26000000},
+ {PXA168_CLK_PLL1, "pll1", NULL, CLK_IS_ROOT, 624000000},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {PXA168_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
+ {PXA168_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
+ {PXA168_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
+ {PXA168_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
+ {PXA168_CLK_PLL1_6, "pll1_6", "pll1_2", 1, 3, 0},
+ {PXA168_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
+ {PXA168_CLK_PLL1_24, "pll1_24", "pll1_12", 1, 2, 0},
+ {PXA168_CLK_PLL1_48, "pll1_48", "pll1_24", 1, 2, 0},
+ {PXA168_CLK_PLL1_96, "pll1_96", "pll1_48", 1, 2, 0},
+ {PXA168_CLK_PLL1_13, "pll1_13", "pll1", 1, 13, 0},
+ {PXA168_CLK_PLL1_13_1_5, "pll1_13_1_5", "pll1_13", 2, 3, 0},
+ {PXA168_CLK_PLL1_2_1_5, "pll1_2_1_5", "pll1_2", 2, 3, 0},
+ {PXA168_CLK_PLL1_3_16, "pll1_3_16", "pll1", 3, 16, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static void pxa168_pll_init(struct pxa168_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+ mmp_clk_add(unit, PXA168_CLK_UART_PLL, clk);
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static const char *uart_parent_names[] = {"pll1_3_16", "uart_pll"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static DEFINE_SPINLOCK(ssp2_lock);
+static DEFINE_SPINLOCK(ssp3_lock);
+static DEFINE_SPINLOCK(ssp4_lock);
+static const char *ssp_parent_names[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
+ {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock},
+ {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock},
+ {0, "ssp4_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP4, 4, 3, 0, &ssp4_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {PXA168_CLK_TWSI0, "twsi0_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_TWSI1, "twsi1_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x3, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA168_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x83, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA168_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA168_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA168_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x3, 0x3, 0x0, 0, &uart0_lock},
+ {PXA168_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x3, 0x3, 0x0, 0, &uart1_lock},
+ {PXA168_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x3, 0x3, 0x0, 0, &uart2_lock},
+ {PXA168_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x3, 0x3, 0x0, 0, &ssp0_lock},
+ {PXA168_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x3, 0x3, 0x0, 0, &ssp1_lock},
+ {PXA168_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x3, 0x3, 0x0, 0, &ssp2_lock},
+ {PXA168_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x3, 0x3, 0x0, 0, &ssp3_lock},
+ {PXA168_CLK_SSP4, "ssp4_clk", "ssp4_mux", CLK_SET_RATE_PARENT, APBC_SSP4, 0x3, 0x3, 0x0, 0, &ssp4_lock},
+};
+
+static void pxa168_apb_periph_clk_init(struct pxa168_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+
+}
+
+static DEFINE_SPINLOCK(sdh0_lock);
+static DEFINE_SPINLOCK(sdh1_lock);
+static const char *sdh_parent_names[] = {"pll1_12", "pll1_13"};
+
+static DEFINE_SPINLOCK(usb_lock);
+
+static DEFINE_SPINLOCK(disp0_lock);
+static const char *disp_parent_names[] = {"pll1_2", "pll1_12"};
+
+static DEFINE_SPINLOCK(ccic0_lock);
+static const char *ccic_parent_names[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent_names[] = {"pll1_6", "pll1_12"};
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {0, "sdh0_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH0, 6, 1, 0, &sdh0_lock},
+ {0, "sdh1_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH1, 6, 1, 0, &sdh1_lock},
+ {0, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 1, 0, &disp0_lock},
+ {0, "ccic0_mux", ccic_parent_names, ARRAY_SIZE(ccic_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 6, 1, 0, &ccic0_lock},
+ {0, "ccic0_phy_mux", ccic_phy_parent_names, ARRAY_SIZE(ccic_phy_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 7, 1, 0, &ccic0_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "ccic0_sphy_div", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {PXA168_CLK_DFC, "dfc_clk", "pll1_4", CLK_SET_RATE_PARENT, APMU_DFC, 0x19b, 0x19b, 0x0, 0, NULL},
+ {PXA168_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
+ {PXA168_CLK_SPH, "sph_clk", "usb_pll", 0, APMU_USB, 0x12, 0x12, 0x0, 0, &usb_lock},
+ /* The gate clocks has mux parent. */
+ {PXA168_CLK_SDH0, "sdh0_clk", "sdh0_mux", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh0_lock},
+ {PXA168_CLK_SDH1, "sdh1_clk", "sdh1_mux", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh1_lock},
+ {PXA168_CLK_DISP0, "disp0_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1b, 0x1b, 0x0, 0, &disp0_lock},
+ {PXA168_CLK_CCIC0, "ccic0_clk", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
+ {PXA168_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_phy_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
+ {PXA168_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
+};
+
+static void pxa168_axi_periph_clk_init(struct pxa168_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void pxa168_clk_reset_init(struct device_node *np,
+ struct pxa168_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, nr_resets;
+
+ nr_resets = ARRAY_SIZE(apbc_gate_clks);
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ for (i = 0; i < nr_resets; i++) {
+ cells[i].clk_id = apbc_gate_clks[i].id;
+ cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[i].flags = 0;
+ cells[i].lock = apbc_gate_clks[i].lock;
+ cells[i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void __init pxa168_clk_init(struct device_node *np)
+{
+ struct pxa168_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ return;
+ }
+
+ pxa_unit->apmu_base = of_iomap(np, 1);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map apmu registers\n");
+ return;
+ }
+
+ pxa_unit->apbc_base = of_iomap(np, 2);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA168_NR_CLKS);
+
+ pxa168_pll_init(pxa_unit);
+
+ pxa168_apb_periph_clk_init(pxa_unit);
+
+ pxa168_axi_periph_clk_init(pxa_unit);
+
+ pxa168_clk_reset_init(np, pxa_unit);
+}
+
+CLK_OF_DECLARE(pxa168_clk, "marvell,pxa168-clock", pxa168_clk_init);
diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c
new file mode 100644
index 000000000000..5e3c80dad336
--- /dev/null
+++ b/drivers/clk/mmp/clk-of-pxa910.c
@@ -0,0 +1,301 @@
+/*
+ * pxa910 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <xiechao.mail@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/marvell,pxa910.h>
+
+#include "clk.h"
+#include "reset.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x18
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x1c
+#define APBC_SSP1 0x20
+#define APBC_SSP2 0x4c
+#define APBCP_TWSI1 0x28
+#define APBCP_UART2 0x1c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+struct pxa910_clk_unit {
+ struct mmp_clk_unit unit;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+ void __iomem *apbcp_base;
+};
+
+static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
+ {PXA910_CLK_CLK32, "clk32", NULL, CLK_IS_ROOT, 32768},
+ {PXA910_CLK_VCTCXO, "vctcxo", NULL, CLK_IS_ROOT, 26000000},
+ {PXA910_CLK_PLL1, "pll1", NULL, CLK_IS_ROOT, 624000000},
+};
+
+static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
+ {PXA910_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
+ {PXA910_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
+ {PXA910_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
+ {PXA910_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
+ {PXA910_CLK_PLL1_6, "pll1_6", "pll1_2", 1, 3, 0},
+ {PXA910_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
+ {PXA910_CLK_PLL1_24, "pll1_24", "pll1_12", 1, 2, 0},
+ {PXA910_CLK_PLL1_48, "pll1_48", "pll1_24", 1, 2, 0},
+ {PXA910_CLK_PLL1_96, "pll1_96", "pll1_48", 1, 2, 0},
+ {PXA910_CLK_PLL1_13, "pll1_13", "pll1", 1, 13, 0},
+ {PXA910_CLK_PLL1_13_1_5, "pll1_13_1_5", "pll1_13", 2, 3, 0},
+ {PXA910_CLK_PLL1_2_1_5, "pll1_2_1_5", "pll1_2", 2, 3, 0},
+ {PXA910_CLK_PLL1_3_16, "pll1_3_16", "pll1", 3, 16, 0},
+};
+
+static struct mmp_clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static void pxa910_pll_init(struct pxa910_clk_unit *pxa_unit)
+{
+ struct clk *clk;
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
+ ARRAY_SIZE(fixed_rate_clks));
+
+ mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
+ ARRAY_SIZE(fixed_factor_clks));
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4",
+ CLK_SET_RATE_PARENT,
+ pxa_unit->mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl), NULL);
+ mmp_clk_add(unit, PXA910_CLK_UART_PLL, clk);
+}
+
+static DEFINE_SPINLOCK(uart0_lock);
+static DEFINE_SPINLOCK(uart1_lock);
+static DEFINE_SPINLOCK(uart2_lock);
+static const char *uart_parent_names[] = {"pll1_3_16", "uart_pll"};
+
+static DEFINE_SPINLOCK(ssp0_lock);
+static DEFINE_SPINLOCK(ssp1_lock);
+static const char *ssp_parent_names[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+
+static DEFINE_SPINLOCK(reset_lock);
+
+static struct mmp_param_mux_clk apbc_mux_clks[] = {
+ {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
+ {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
+ {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
+ {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
+};
+
+static struct mmp_param_mux_clk apbcp_mux_clks[] = {
+ {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBCP_UART2, 4, 3, 0, &uart2_lock},
+};
+
+static struct mmp_param_gate_clk apbc_gate_clks[] = {
+ {PXA910_CLK_TWSI0, "twsi0_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_KPC, "kpc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_KPC, 0x3, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA910_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x83, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
+ {PXA910_CLK_PWM0, "pwm0_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM0, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_PWM1, "pwm1_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_PWM2, "pwm2_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM2, 0x3, 0x3, 0x0, 0, &reset_lock},
+ {PXA910_CLK_PWM3, "pwm3_clk", "pll1_48", CLK_SET_RATE_PARENT, APBC_PWM3, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA910_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x3, 0x3, 0x0, 0, &uart0_lock},
+ {PXA910_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x3, 0x3, 0x0, 0, &uart1_lock},
+ {PXA910_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x3, 0x3, 0x0, 0, &ssp0_lock},
+ {PXA910_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x3, 0x3, 0x0, 0, &ssp1_lock},
+};
+
+static struct mmp_param_gate_clk apbcp_gate_clks[] = {
+ {PXA910_CLK_TWSI1, "twsi1_clk", "pll1_13_1_5", CLK_SET_RATE_PARENT, APBCP_TWSI1, 0x3, 0x3, 0x0, 0, &reset_lock},
+ /* The gate clocks has mux parent. */
+ {PXA910_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBCP_UART2, 0x3, 0x3, 0x0, 0, &uart2_lock},
+};
+
+static void pxa910_apb_periph_clk_init(struct pxa910_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_mux_clks));
+
+ mmp_register_mux_clks(unit, apbcp_mux_clks, pxa_unit->apbcp_base,
+ ARRAY_SIZE(apbcp_mux_clks));
+
+ mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(apbc_gate_clks));
+
+ mmp_register_gate_clks(unit, apbcp_gate_clks, pxa_unit->apbcp_base,
+ ARRAY_SIZE(apbcp_gate_clks));
+}
+
+static DEFINE_SPINLOCK(sdh0_lock);
+static DEFINE_SPINLOCK(sdh1_lock);
+static const char *sdh_parent_names[] = {"pll1_12", "pll1_13"};
+
+static DEFINE_SPINLOCK(usb_lock);
+
+static DEFINE_SPINLOCK(disp0_lock);
+static const char *disp_parent_names[] = {"pll1_2", "pll1_12"};
+
+static DEFINE_SPINLOCK(ccic0_lock);
+static const char *ccic_parent_names[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent_names[] = {"pll1_6", "pll1_12"};
+
+static struct mmp_param_mux_clk apmu_mux_clks[] = {
+ {0, "sdh0_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH0, 6, 1, 0, &sdh0_lock},
+ {0, "sdh1_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH1, 6, 1, 0, &sdh1_lock},
+ {0, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 1, 0, &disp0_lock},
+ {0, "ccic0_mux", ccic_parent_names, ARRAY_SIZE(ccic_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 6, 1, 0, &ccic0_lock},
+ {0, "ccic0_phy_mux", ccic_phy_parent_names, ARRAY_SIZE(ccic_phy_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 7, 1, 0, &ccic0_lock},
+};
+
+static struct mmp_param_div_clk apmu_div_clks[] = {
+ {0, "ccic0_sphy_div", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
+};
+
+static struct mmp_param_gate_clk apmu_gate_clks[] = {
+ {PXA910_CLK_DFC, "dfc_clk", "pll1_4", CLK_SET_RATE_PARENT, APMU_DFC, 0x19b, 0x19b, 0x0, 0, NULL},
+ {PXA910_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
+ {PXA910_CLK_SPH, "sph_clk", "usb_pll", 0, APMU_USB, 0x12, 0x12, 0x0, 0, &usb_lock},
+ /* The gate clocks has mux parent. */
+ {PXA910_CLK_SDH0, "sdh0_clk", "sdh0_mux", CLK_SET_RATE_PARENT, APMU_SDH0, 0x1b, 0x1b, 0x0, 0, &sdh0_lock},
+ {PXA910_CLK_SDH1, "sdh1_clk", "sdh1_mux", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh1_lock},
+ {PXA910_CLK_DISP0, "disp0_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1b, 0x1b, 0x0, 0, &disp0_lock},
+ {PXA910_CLK_CCIC0, "ccic0_clk", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
+ {PXA910_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_phy_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
+ {PXA910_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
+};
+
+static void pxa910_axi_periph_clk_init(struct pxa910_clk_unit *pxa_unit)
+{
+ struct mmp_clk_unit *unit = &pxa_unit->unit;
+
+ mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_mux_clks));
+
+ mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_div_clks));
+
+ mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(apmu_gate_clks));
+}
+
+static void pxa910_clk_reset_init(struct device_node *np,
+ struct pxa910_clk_unit *pxa_unit)
+{
+ struct mmp_clk_reset_cell *cells;
+ int i, base, nr_resets_apbc, nr_resets_apbcp, nr_resets;
+
+ nr_resets_apbc = ARRAY_SIZE(apbc_gate_clks);
+ nr_resets_apbcp = ARRAY_SIZE(apbcp_gate_clks);
+ nr_resets = nr_resets_apbc + nr_resets_apbcp;
+ cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
+ if (!cells)
+ return;
+
+ base = 0;
+ for (i = 0; i < nr_resets_apbc; i++) {
+ cells[base + i].clk_id = apbc_gate_clks[i].id;
+ cells[base + i].reg =
+ pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[base + i].flags = 0;
+ cells[base + i].lock = apbc_gate_clks[i].lock;
+ cells[base + i].bits = 0x4;
+ }
+
+ base = nr_resets_apbc;
+ for (i = 0; i < nr_resets_apbcp; i++) {
+ cells[base + i].clk_id = apbcp_gate_clks[i].id;
+ cells[base + i].reg =
+ pxa_unit->apbc_base + apbc_gate_clks[i].offset;
+ cells[base + i].flags = 0;
+ cells[base + i].lock = apbc_gate_clks[i].lock;
+ cells[base + i].bits = 0x4;
+ }
+
+ mmp_clk_reset_register(np, cells, nr_resets);
+}
+
+static void __init pxa910_clk_init(struct device_node *np)
+{
+ struct pxa910_clk_unit *pxa_unit;
+
+ pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
+ if (!pxa_unit)
+ return;
+
+ pxa_unit->mpmu_base = of_iomap(np, 0);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map mpmu registers\n");
+ return;
+ }
+
+ pxa_unit->apmu_base = of_iomap(np, 1);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map apmu registers\n");
+ return;
+ }
+
+ pxa_unit->apbc_base = of_iomap(np, 2);
+ if (!pxa_unit->apbc_base) {
+ pr_err("failed to map apbc registers\n");
+ return;
+ }
+
+ pxa_unit->apbcp_base = of_iomap(np, 3);
+ if (!pxa_unit->mpmu_base) {
+ pr_err("failed to map apbcp registers\n");
+ return;
+ }
+
+ mmp_clk_init(np, &pxa_unit->unit, PXA910_NR_CLKS);
+
+ pxa910_pll_init(pxa_unit);
+
+ pxa910_apb_periph_clk_init(pxa_unit);
+
+ pxa910_axi_periph_clk_init(pxa_unit);
+
+ pxa910_clk_reset_init(np, pxa_unit);
+}
+
+CLK_OF_DECLARE(pxa910_clk, "marvell,pxa910-clock", pxa910_clk_init);
diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c
index 014396b028a2..93e967c0f972 100644
--- a/drivers/clk/mmp/clk-pxa168.c
+++ b/drivers/clk/mmp/clk-pxa168.c
@@ -47,7 +47,7 @@
static DEFINE_SPINLOCK(clk_lock);
-static struct clk_factor_masks uart_factor_masks = {
+static struct mmp_clk_factor_masks uart_factor_masks = {
.factor = 2,
.num_mask = 0x1fff,
.den_mask = 0x1fff,
@@ -55,7 +55,7 @@ static struct clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct clk_factor_tbl uart_factor_tbl[] = {
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
{.num = 8125, .den = 1536}, /*14.745MHZ */
};
@@ -158,7 +158,7 @@ void __init pxa168_clk_init(void)
uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
mpmu_base + MPMU_UART_PLL,
&uart_factor_masks, uart_factor_tbl,
- ARRAY_SIZE(uart_factor_tbl));
+ ARRAY_SIZE(uart_factor_tbl), &clk_lock);
clk_set_rate(uart_pll, 14745600);
clk_register_clkdev(uart_pll, "uart_pll", NULL);
diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c
index 9efc6a47535d..993abcdb32cc 100644
--- a/drivers/clk/mmp/clk-pxa910.c
+++ b/drivers/clk/mmp/clk-pxa910.c
@@ -45,7 +45,7 @@
static DEFINE_SPINLOCK(clk_lock);
-static struct clk_factor_masks uart_factor_masks = {
+static struct mmp_clk_factor_masks uart_factor_masks = {
.factor = 2,
.num_mask = 0x1fff,
.den_mask = 0x1fff,
@@ -53,7 +53,7 @@ static struct clk_factor_masks uart_factor_masks = {
.den_shift = 0,
};
-static struct clk_factor_tbl uart_factor_tbl[] = {
+static struct mmp_clk_factor_tbl uart_factor_tbl[] = {
{.num = 8125, .den = 1536}, /*14.745MHZ */
};
@@ -163,7 +163,7 @@ void __init pxa910_clk_init(void)
uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
mpmu_base + MPMU_UART_PLL,
&uart_factor_masks, uart_factor_tbl,
- ARRAY_SIZE(uart_factor_tbl));
+ ARRAY_SIZE(uart_factor_tbl), &clk_lock);
clk_set_rate(uart_pll, 14745600);
clk_register_clkdev(uart_pll, "uart_pll", NULL);
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
new file mode 100644
index 000000000000..cf038ef54c59
--- /dev/null
+++ b/drivers/clk/mmp/clk.c
@@ -0,0 +1,192 @@
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include "clk.h"
+
+void mmp_clk_init(struct device_node *np, struct mmp_clk_unit *unit,
+ int nr_clks)
+{
+ static struct clk **clk_table;
+
+ clk_table = kcalloc(nr_clks, sizeof(struct clk *), GFP_KERNEL);
+ if (!clk_table)
+ return;
+
+ unit->clk_table = clk_table;
+ unit->nr_clks = nr_clks;
+ unit->clk_data.clks = clk_table;
+ unit->clk_data.clk_num = nr_clks;
+ of_clk_add_provider(np, of_clk_src_onecell_get, &unit->clk_data);
+}
+
+void mmp_register_fixed_rate_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_fixed_rate_clk *clks,
+ int size)
+{
+ int i;
+ struct clk *clk;
+
+ for (i = 0; i < size; i++) {
+ clk = clk_register_fixed_rate(NULL, clks[i].name,
+ clks[i].parent_name,
+ clks[i].flags,
+ clks[i].fixed_rate);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
+void mmp_register_fixed_factor_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_fixed_factor_clk *clks,
+ int size)
+{
+ struct clk *clk;
+ int i;