[PATCH] Revert "usb: dwc3: gadget: skip Set/Clear Halt when invalid"

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This reverts commit ffb80fc672c3a7b6afd0cefcb1524fb99917b2f3.

Turns out that commit is wrong. Host controllers are allowed to use
Clear Feature HALT as means to sync data toggle between host and
periperal.

Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
 drivers/usb/dwc3/gadget.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 9faad896b3a1..9f92ee03dde7 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1470,9 +1470,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
 		unsigned transfer_in_flight;
 		unsigned started;
 
-		if (dep->flags & DWC3_EP_STALL)
-			return 0;
-
 		if (dep->number > 1)
 			trb = dwc3_ep_prev_trb(dep, dep->trb_enqueue);
 		else
@@ -1494,8 +1491,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
 		else
 			dep->flags |= DWC3_EP_STALL;
 	} else {
-		if (!(dep->flags & DWC3_EP_STALL))
-			return 0;
 
 		ret = dwc3_send_clear_stall_ep_cmd(dep);
 		if (ret)
-- 
2.19.1




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux