[U-Boot] [PATCH v2 10/14] usb:ci_udc: Introduce init_after_reset phy function

Ramon Fried
2018-09-21T10:35:52Z

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>
---

Changes in v2: None

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 */
--
2.18.0