For the code dosn't restrict controller ep must be ep0, so we will go
through all the eps and check if there is an setup package recieved.
And also we just need to acknowledge the corresponding bit in
ENDPTSETUPSTAT register.
Signed-off-by: Neil Zhang <zhangwm@xxxxxxxxxxx>
---
drivers/usb/gadget/mv_udc_core.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index 774ac8f..9fdf50f 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -1633,8 +1633,7 @@ static void get_setup_data(struct mv_udc *udc, u8 ep_num, u8 *buffer_ptr)
dqh = &udc->ep_dqh[ep_num * 2 + EP_DIR_OUT];
/* Clear bit in ENDPTSETUPSTAT */
- temp = readl(&udc->op_regs->epsetupstat);
- writel(temp | (1 << ep_num), &udc->op_regs->epsetupstat);
+ writel((1 << ep_num), &udc->op_regs->epsetupstat);
/* while a hazard exists when setup package arrives */
do {
--
1.7.1
--
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