summaryrefslogtreecommitdiffstats
path: root/drivers/usb/cdns3/ep0.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/cdns3/ep0.c')
-rw-r--r--drivers/usb/cdns3/ep0.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 82645a2a0f52..61ec5bb2b0ca 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -327,7 +327,8 @@ static int cdns3_ep0_feature_handle_device(struct cdns3_device *priv_dev,
if (!set || (tmode & 0xff) != 0)
return -EINVAL;
- switch (tmode >> 8) {
+ tmode >>= 8;
+ switch (tmode) {
case TEST_J:
case TEST_K:
case TEST_SE0_NAK:
@@ -704,15 +705,17 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
int ret = 0;
u8 zlp = 0;
+ spin_lock_irqsave(&priv_dev->lock, flags);
trace_cdns3_ep0_queue(priv_dev, request);
/* cancel the request if controller receive new SETUP packet. */
- if (cdns3_check_new_setup(priv_dev))
+ if (cdns3_check_new_setup(priv_dev)) {
+ spin_unlock_irqrestore(&priv_dev->lock, flags);
return -ECONNRESET;
+ }
/* send STATUS stage. Should be called only for SET_CONFIGURATION */
if (priv_dev->ep0_stage == CDNS3_STATUS_STAGE) {
- spin_lock_irqsave(&priv_dev->lock, flags);
cdns3_select_ep(priv_dev, 0x00);
erdy_sent = !priv_dev->hw_configured_flag;
@@ -737,7 +740,6 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
return 0;
}
- spin_lock_irqsave(&priv_dev->lock, flags);
if (!list_empty(&priv_ep->pending_req_list)) {
dev_err(priv_dev->dev,
"can't handle multiple requests for ep0\n");