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usb: gadget: mv_udc: fix bug when handle setup package.
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>
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@ -1631,8 +1631,7 @@ static void get_setup_data(struct mv_udc *udc, u8 ep_num, u8 *buffer_ptr)
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dqh = &udc->ep_dqh[ep_num * 2 + EP_DIR_OUT];
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/* Clear bit in ENDPTSETUPSTAT */
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temp = readl(&udc->op_regs->epsetupstat);
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writel(temp | (1 << ep_num), &udc->op_regs->epsetupstat);
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writel((1 << ep_num), &udc->op_regs->epsetupstat);
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/* while a hazard exists when setup package arrives */
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do {
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