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authorDaniel Mack <zonque@gmail.com>2013-04-10 21:55:49 +0200
committerFelipe Balbi <balbi@ti.com>2013-05-28 19:22:25 +0300
commit6c5f6a6f532ad3c14fbed04b6f2dd0e0cab1a143 (patch)
treeff0e5004f0c13e207c811f62afdaa967bcc640cd
parent9ad96e694c3d33465d099d0a2db1aae8cb358d1f (diff)
usb: musb: use musb->port_mode
Initialize the host and gadget subsystems of the musb driver only when the appropriate mode is selected from platform data, or device-tree information, respectively. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Felipe Balbi <balbi@ti.com>
-rw-r--r--drivers/usb/musb/musb_core.c22
-rw-r--r--drivers/usb/musb/musb_virthub.c3
2 files changed, 19 insertions, 6 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index a1aa75eb51e2..a04cf8b1678b 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1904,11 +1904,23 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
musb->xceiv->state = OTG_STATE_B_IDLE;
}
- status = musb_host_setup(musb, plat->power);
- if (status < 0)
- goto fail3;
-
- status = musb_gadget_setup(musb);
+ switch (musb->port_mode) {
+ case MUSB_PORT_MODE_HOST:
+ status = musb_host_setup(musb, plat->power);
+ break;
+ case MUSB_PORT_MODE_GADGET:
+ status = musb_gadget_setup(musb);
+ break;
+ case MUSB_PORT_MODE_DUAL_ROLE:
+ status = musb_host_setup(musb, plat->power);
+ if (status < 0)
+ goto fail3;
+ status = musb_gadget_setup(musb);
+ break;
+ default:
+ dev_err(dev, "unsupported port mode %d\n", musb->port_mode);
+ break;
+ }
if (status < 0)
goto fail3;
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index 47ee430a13c9..104d22f7142d 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -79,7 +79,8 @@ static void musb_start(struct musb *musb)
* (b) vbus present/connect IRQ, peripheral mode;
* (c) peripheral initiates, using SRP
*/
- if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {
+ if (musb->port_mode != MUSB_PORT_MODE_HOST &&
+ (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {
musb->is_active = 1;
} else {
devctl |= MUSB_DEVCTL_SESSION;

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