Techwizz/kernel-fxtec-pro1x
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usb: gadget: mv_udc: fix bug when handle setup package.

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For the code doesn't restrict controller ep must be ep0, so we will go
through all the eps and check if there is a setup package received.
And also we just need to acknowledge the corresponding bit in
ENDPTSETUPSTAT register.

Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Neil Zhang 2011-10-12 16:49:30 +08:00 committed by Felipe Balbi
parent fbebe1f070
commit 96c2bbb09d
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/gadget/mv_udc_core.c
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@ -1631,8 +1631,7 @@ 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 {