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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-01-21 13:00:03 +0200 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-02-04 08:45:56 +0200 |
| commit | 974a1368c33ebb09c94c9ec1b523908cc7ca068f (patch) | |
| tree | 8cdb27b8fec0f6dd1abfdf4e6b9601e918ae955a /drivers/usb/dwc3 | |
| parent | acbfa6c26f21a18830ee064b588c92334305b6af (diff) | |
| download | linux-974a1368c33ebb09c94c9ec1b523908cc7ca068f.tar.bz2 | |
usb: dwc3: gadget: don't use resource_index as a flag
We have a proper flag for testing that we have a valid transfer in
flight, let's use that instead.
This patch is in preparation to fix a rare race condition that happens
upon Disconnect Interrupt.
Tested-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index f9b44302199a..eaeea8ff5191 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2626,8 +2626,8 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force) u32 cmd; int ret; - if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) || - !dep->resource_index) + if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) + || !(dep->flags & DWC3_EP_TRANSFER_STARTED)) return; /* |