[PATCH 3/5] usb: dwc3: Increase timeout for CmdAct cleared by device controller

From: John Stultz
Date: Wed Sep 25 2019 - 19:42:50 EST


From: Yu Chen <chenyu56@xxxxxxxxxx>

It needs more time for the device controller to clear the CmdAct of
DEPCMD on Hisilicon Kirin Soc.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Felipe Balbi <balbi@xxxxxxxxxx>
Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Yu Chen <chenyu56@xxxxxxxxxx>
Cc: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Cc: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Yu Chen <chenyu56@xxxxxxxxxx>
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
drivers/usb/dwc3/gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8adb59f8e4f1..81907e163252 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -270,7 +270,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
{
const struct usb_endpoint_descriptor *desc = dep->endpoint.desc;
struct dwc3 *dwc = dep->dwc;
- u32 timeout = 1000;
+ u32 timeout = 5000;
u32 saved_config = 0;
u32 reg;

--
2.17.1