path: root/drivers
AgeCommit message (Collapse)AuthorFilesLines
2013-07-29usb: musb: do not change dev's dma_maskSebastian Andrzej Siewior1-7/+0
Commit 8d2421e ("usb: musb: kill global and static for multi instance") removed the global dma_mask copy and replaced by parent's DMA mask. The problem here is that if the parent does not have a dma_mask then musb_remove() goes kaboom. Instead trying to fix this I was thinking we do we need to erase dma_mask in the first place? Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: remove ti81xx pieces from musbSebastian Andrzej Siewior1-14/+0
ti81xx does not have a baseport mainline i.e. it should not boot. The amount of rework that is required makes it easier to simply remove that platform (i.e. that possible platform device) and add it later once it comes back with DT support. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: dsps: init / shutdown the phySebastian Andrzej Siewior1-0/+3
If the init / shutdown function of the phy moves out of dsps into the phy driver, then dsps needs to call the callbacks of the phy driver to ensure that this happens. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: phy: don't check resource with devm_ioremap_resourceWolfram Sang1-5/+0
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: gadget: atmel_usba: prepare clk before calling enableBoris BREZILLON1-7/+21
Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to avoid common clk framework warnings. Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: renesas_usbhs: tidyup original usbhsx_for_each_xxx macroKuninori Morimoto3-9/+9
Current usbhsx_for_each_xxx macro will read out-of-array's memory after last loop operation. It was not good C language operation, and the binary which was compiled by (at least) gcc 4.8.1 is broken This patch tidyup these issues Reported-by: Yusuke Goda <yusuke.goda.sx@renesas.com> Reviewed-by: Takashi Yoshii <takashi.yoshii.zj@renesas.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: phy: omap-usb3: Improve DPLL parameter lookup codeRoger Quadros1-49/+38
Use a mapping table (dpll_map) to match the possible system clock rates to the appropriate DPLL parameters. Introduce a function "omap_usb3_get_dpll_params()" that will return the matching DPLL parameters for the given clock rate. Also, bail out on phy init if DPLL locking fails. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: ehci-omap: select NOP_USB_XCEIV PHY driverRoger Quadros1-3/+1
ehci-omap needs NOP_USB_XCEIV PHY driver to function properly, so select it. As the USB PHY drivers no longer depend on USB_PHY, it is safe to select the PHY drivers. Signed-off-by: Roger Quadros <rogerq@ti.com> Tested-by: Adrien Vergé <adrienverge@gmail.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: phy: make PHY driver selection possible by controller driversRoger Quadros4-20/+21
Convert PHY Drivers from menuconfig to menu so that the PHY drivers can be explicitely selected by the controller drivers. USB_PHY is no longer a user visible option. It is upto to the PHY drivers to select it if needed. This patch does so for the existing PHY drivers that use the USB_PHY library. Doing so moves the USB_PHY and PHY driver selection problem from the end user to the PHY and controller driver developer. e.g. Earlier, a controller driver (e.g. EHCI_OMAP) that needs to select a PHY driver (e.g. NOP_PHY) couldn't do so because the PHY driver depended on USB_PHY. Making the controller driver depend on USB_PHY has a negative effect i.e. it becomes invisible to the user till USB_PHY is enabled. Most end users will not familiar with this. With this patch, the end user just needs to select the controller driver needed for his/her platform without worrying about which PHY driver to select. Also update USB_EHCI_MSM, USB_LPC32XX and USB_OMAP to not depend on USB_PHY any more. They can safely select the necessary PHY drivers. [ balbi@ti.com : refreshed on top of my next branch. Changed bool followed by default n into def_bool n ] CC: Pavankumar Kondeti <pkondeti@codeaurora.org> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: ep0: don't change to configured state too earlyFelipe Balbi1-2/+11
before changing to configured state, we need to wait until gadget driver has had a chance to process the request. In case of USB_GADGET_DELAYED_STATUS, that means we need to defer usb_gadget_set_state() until the upcoming usb_ep_queue(). Reported-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: ep0: only change to ADDRESS if set_config() succeedsFelipe Balbi1-1/+1
In case we're switching back to USB_STATE_ADDRESS from USB_STATE_CONFIGURED (if host sends a set configuration command for configuration zero), we should only switch if the request is successfully processed by the gadget driver. Reported-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: gadget: udc-core: move sysfs_notify() to a workqueueFelipe Balbi1-1/+11
usb_gadget_set_state() will call sysfs_notify() which might sleep. Some users might want to call usb_gadget_set_state() from the very IRQ handler which actually changes the gadget state. Instead of having every UDC driver add their own workqueue for such a simple notification, we're adding it generically to our struct usb_gadget, so the details are hidden from all UDC drivers. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: fix typo in comment of dwc3_epHuang Rui1-1/+1
Change intervall into interval. Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: introduce dwc3_process_event_bufFelipe Balbi1-37/+44
in order to make our IRQ handler thread easier to read, we re-factor the inner loop to a separate function. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: rename dwc3_process_event_bufFelipe Balbi1-2/+2
that function isn't really processing any event buffer, rather just checking whether it contains events to be processed. Due to that reason, we're reaning it to dwc3_check_event_buf() instead. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: get rid of IRQF_ONESHOTFelipe Balbi1-1/+13
We can make use of bit 31 of the GEVNTSIZ(n) registers to mask/unmask interrupts from that particular interrupter. With that feature, we can easily drop IRQF_ONESHOT from our driver which makes it possible to properly change IRQ priorities when using RT patchset *and* it allows us to make use of the scheduler to choose the proper time to handle this IRQ thread. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: core: introduce and use macros for Event Size registerFelipe Balbi2-2/+7
That register has more than just the event buffer size; we can also mask and unmask that particular interrupter on bit 31 of that register. In this patch we introduce the necessary macros and make sure to use the new macros while also making sure we mask interrupts during driver removal. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: don't enable LPM earlyFelipe Balbi1-5/+0
LPM is enabled in Connection Done interrupt, there's no need to enable it early. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: core: don't redefine DWC3_DCFG_LPM_CAPFelipe Balbi1-1/+0
the macro DWC3_DCFG_LPM_CAP was defined twice. This patch just removes one of the definitions, no functional changes. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: add a debugging print when initializing endpointsFelipe Balbi1-0/+2
that way we get debugging information when enabling verbose debug of the driver. It will be no-op otherwise. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: move direction setting upFelipe Balbi1-1/+1
no functional changes, just grouping dep initialization. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: move debugging print aroundFelipe Balbi1-2/+2
by moving that dev_vdbg() to the internal __dwc3_gadget_ep_enable() we get the print even when enable ep0, which calls the internal function directly. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: core: switch over to devm_ioremap_resource()Felipe Balbi1-13/+5
use the new devm_ioremap_resource() on core.c Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: omap: switch over to devm_ioremap_resource()Felipe Balbi1-5/+3
use the new devm_ioremap_resource on dwc3-omap.c Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: drop dwc3 manual phy controlFelipe Balbi1-61/+0
Recent versions of the core, can suspend and resume the PHYs automatically, so we don't need to fiddle with dwc3's Global PHY registers at all. On versions prior to 1.94a this patch will mean that we will never ask dwc3 to suspend the PHY. This is an acceptable behavior or such old versions of the core, specially considering that the only chip known to have a version prior to 1.94a was OMAP5 ES1.0 and that's not supported in mainline kernel, because it was just a test spin of OMAP5. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: adapt to use dr_mode device tree helperRuchika Kharwar3-43/+43
This patch adapts the dwc3 to use the device tree helper "of_usb_get_dr_mode" for the mode of operation of the dwc3 instance being probed. [ balbi@ti.com : make of_usb_get_dr_mode() conditional on dev->of_node and let pdata pass dr_mode too ] Reviewed-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Ruchika Kharwar <ruchika@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: phy: phy-mxs-usb: Check the return value from stmp_reset_block()Fabio Estevam1-5/+8
stmp_reset_block() may fail, so let's check its return value and propagate it in the case of error. Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: get rid of unused proc_dir_entryGreg Kroah-Hartman1-8/+0
The musb driver no longer uses procfs, so get rid of the proc_dir_entry variable in struct musb. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: gadget: s3c-hsotg: Allow driver instantiation using device treeTomasz Figa1-0/+10
This patch adds OF match table to the driver to allow instantiating it using device tree. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: core: switch to snps,dwc3Felipe Balbi1-0/+3
all other drivers using Synopsys IPs with DT have a compatible of snps,$driver, in order to add consistency, we are switching over to snps,dwc3 but keeping synopsys,dwc3 in the core driver to maintain backwards compatibility. New DTS bindings should NOT use synopsys,dwc3. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: make maximum-speed a per-instance attributeFelipe Balbi3-18/+30
in order to allow different instances of the core work in different maximum speeds, we will move the maximum_speed module_parameter to both DeviceTree (making use the new maximum-speed DT property) and platform_data. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: let non-DT platforms pass tx-fifo-resize flag;Felipe Balbi2-2/+28
in case we're not in a DT boot, we should still be able to tell the driver how to behave. In order to be able to pass flags to the driver, we introduce platform_data structure which the core driver should use. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: common: introduce of_usb_get_maximum_speed()Felipe Balbi1-11/+38
this helper will be used for controllers which want to work at a lower speed even though they support higher USB transfer rates. One such case is Texas Instruments' AM437x SoC where it uses a USB3 controller without a USB3 PHY, rendering the controller USB2-only. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: switch to GPL v2 onlyFelipe Balbi12-304/+91
This is a Linux-only driver which makes use of GPL-only symbols. It makes no sense to maintain Dual BSD/GPL licensing for this driver. Considering that the amount of work to use this driver in any different operating system would likely be as large as developing the driver from scratch and considering that we depend on GPL-only symbols, we will switch over to a GPL v2-only license. Cc: Anton Tikhomirov <av.tikhomirov@samsung.com> Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: clean up redundant parameter commentHuang Rui1-1/+0
@list is not as a parameter of dwc3_event_buffer, so remove it in comments. Signed-off-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: gadget: don't request IRQs in atomicFelipe Balbi1-17/+22
We cannot request an IRQ with spinlocks held as that would trigger a sleeping inside spinlock warning. Cc: <stable@vger.kernel.org> # v3.10 Reported-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: gadget: remove imx_udcFelipe Balbi4-1911/+0
That driver hasn't been really maintained for a long time. It doesn't compile in any way, it includes non-existent headers, has no users, and is just plain broken. The person who used to work with that driver has publicly stated that he has no plans to touch that driver again and is ok with removal[1]. Due to these factors, imx_udc is now removed from the tree, if someone really believe it needs to be kept, please fix the bugs in that driver. [1] http://marc.info/?l=linux-usb&m=136197620417636&w=2 Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: dwc3: make glue layers selectableFelipe Balbi2-10/+35
Glue layers are starting to have separate requirements. For example, OMAP's glue layer is starting to use extcon framework which no one else needs. In order to make it clear the proper dependencies, we are now allowing glue layers to be selectable so that each glue layer can list their own dependencies without messing with the core IP driver. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: unmap reqs in musb_gadget_queue()'s error caseSebastian Andrzej Siewior1-2/+3
If the descriptor is missing the reqeust is never unmapped. This patch changes this and renames the cleanup label to unlock since there is no cleanup done. The cleanup would revert the allocation of ressource (i.e. this dma mapping) but it does not, it simply unlocks and returns. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: core: call dma_controller_destroy() in the err pathSebastian Andrzej Siewior1-0/+2
The cleanup in the error is missing the dma controller. The structure is allocated at runtime and ux500 allocates even a little more than just this struct. So cleanup! Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: remove a few is_dma_capable() in init/exit codeSebastian Andrzej Siewior1-4/+3
This patch removes is_dma_capable() and an ifdef in the init/exit path around init/de-init of the dma_controller. Since we have the empty stubs in the PIO code we can call it without gcc trouble. Earlier we had an ifdef and the is_dma_capable() macro where gcc ignored the if (0) path even that the function was not around :) Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: provide empty dma_controller_create() in PIO modeSebastian Andrzej Siewior1-0/+11
Add a dma_controller_create() returning NULL so a few ifdefs can dropped. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: dma: merge ->start/stop into create/destroySebastian Andrzej Siewior6-77/+20
The core code creates a controller and immediately after that it calls the ->start() callback. This one might drop an error but nobody cares. The same thing happens in the destroy corner: First ->stop() called followed by destroy callback. So why not merge those two into the same function since there is no difference. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: musbhsdma: drop the controller check in dma_controller_destroy()Sebastian Andrzej Siewior1-3/+0
This check is hardly required and alas is wrong. 'c' might be NULL but the chances are low that 'controller' after the container_of() becomes NULL. Since no other DMA implementation is doing that and musb-core does not call it with a NULL pointer it can dropped. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-29usb: musb: replace ifndef with ifdef for CONFIG_MUSB_PIO_ONLYSebastian Andrzej Siewior1-3/+3
The ifdef reads somehow better than an ifndef Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-28Merge tag 'pinctrl-for-v3.11-2' of ↵Linus Torvalds4-2/+26
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: - Driver fixes for AM33xx, SIRF and PFC pin controllers - Fix a compile warning from the pinctrl single-register driver - Fix a little nasty memory leak * tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: fix a memleak when freeing maps pinctrl: pinctrl-single: fix compile warning when no CONFIG_PM pinctrl: sh-pfc: fix SDHI0 VccQ regulator on sh73a0 with DT arm/dts: sirf: fix the pingroup name mismatch between drivers and dts pinctrl: sirf: add usp0_uart_nostreamctrl pin group for usp-uart without flowctrl pinctrl: sirf: fix the pin number and mux bit for usp0 pinctrl: am33xx dt binding: correct include path
2013-07-28Merge tag 'scsi-fixes' of ↵Linus Torvalds6-24/+32
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is five bug fixes, two of which fix long standing problems causing crashes (sd and mvsas). The remaining three are hung (isci race) or lost (qla2xxx, isci) devices" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] isci: fix breakage caused by >16byte CDB patch [SCSI] mvsas: Fix kernel panic on tile due to unaligned data access [SCSI] sd: fix crash when UA received on DIF enabled device [SCSI] qla2xxx: Properly set the tagging for commands. [SCSI] isci: Fix a race condition in the SSP task management path
2013-07-26Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds11-127/+158
Pull drm fixes from Dave Airlie: "This is just a regular fixes pull apart from the qxl one, it has radeon and intel bits in it, The intel fixes are for a regression with the RC6 fix and a 3.10 hdmi regression, whereas radeon is more DPM fixes, a few lockup fixes and some rn50/r100 DAC fixes" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/dpm: fix r600_enable_sclk_control() drm/radeon/dpm: implement force performance levels for rv6xx drm/radeon/dpm: fix displaygap programming on rv6xx drm/radeon/dpm: fix a typo in the rv6xx mclk setup drm/i915: initialize gt_lock early with other spin locks drm/i915: fix hdmi portclock limits drm/radeon: fix combios tables on older cards drm/radeon: improve dac adjust heuristics for legacy pdac drm/radeon: Another card with wrong primary dac adj drm/radeon: fix endian issues with DP handling (v3) drm/radeon/vm: only align the pt base to 32k drm/radeon: wait for 3D idle before using CP DMA
2013-07-26Merge branch 'qxl-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds13-508/+859
Pull qxl drm fixes from Dave Airlie: "Okay as I warned, the qxl driver was running a bit free and loose with its ttm object reservations and the new lockdep enabled reservation tracking shone a bright light into it, it also with the new reservations mutexes hits a possible deadlock during boot. The first patch is a real fix to render the console correctly as the driver used to just drop irq renderering as too hard, this also fixes a sleeping while atomic warning. The other two patches are the big ugly ones that redo how the driver allocates objects and reserves them and makes things all work properly, I've tested this in a VM, and compared to the current code which hits a lockdep warning and the sleep while atomic warning before failing. So sorry this is coming in late, I should have tested qxl before merging the mutex code, but I'd rather just fix qxl with this than revert the reservations code at this point" * 'qxl-fixes' of git://people.freedesktop.org/~airlied/linux: qxl: convert qxl driver to proper use for reservations qxl: allow creation of pre-pinned objects and use for releases. drm/qxl: add delayed fb operations
2013-07-26Merge tag 'pm+acpi-3.11-rc3' of ↵Linus Torvalds5-82/+16
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: "These are just two fixes, a revert of the would-be backlight fix that didn't work and an intel_pstate fix for two problems related to maximum P-state selection. Specifics: - Revert of the ACPI video commit that I hoped would help fix backlight problems related to Windows 8 compatibility on some systems. Unfortunately, it turned out to cause problems to happen too. - Fix for two problems in intel_pstate, a possible failure to respond to a load change on a quiet system and a possible failure to select the highest available P-state on some systems. From Dirk Brandewie" * tag 'pm+acpi-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8" cpufreq / intel_pstate: Change to scale off of max P-state

Privacy Policy