MSM variant of Chipidea must reinitalize the phy after controller reset. Introduce ci_init_after_reset() weak function that can be used to achieve the above init.
Signed-off-by: Ramon Fried ramon.fried@gmail.com ---
drivers/usb/gadget/ci_udc.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c index 2b9dbf06b9..8d23fab3b7 100644 --- a/drivers/usb/gadget/ci_udc.c +++ b/drivers/usb/gadget/ci_udc.c @@ -104,6 +104,10 @@ static struct usb_ep_ops ci_ep_ops = { .free_request = ci_ep_free_request, };
+__weak void ci_init_after_reset(struct ehci_ctrl *ctrl) +{ +} + /* Init values for USB endpoints. */ static const struct usb_ep ci_ep_init[5] = { [0] = { /* EP 0 */ @@ -887,6 +891,8 @@ static int ci_pullup(struct usb_gadget *gadget, int is_on) writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RST, &udc->usbcmd); udelay(200);
+ ci_init_after_reset(controller.ctrl); + writel((unsigned long)controller.epts, &udc->epinitaddr);
/* select DEVICE mode */