[PATCH 06/15] USB: mv_udc: fix bug when handle setup package.

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When handle setup package, we need only to acknowledge
the corresponding bit in ENDPTSETUPSTAT register.

Change-Id: If92b3c197516fa09ced31de75b0c0d7f33631261
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 1250fd3..c06385d 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -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 {
-- 
1.7.1

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