diff options
| author | Mian Yousaf Kaukab <yousaf.kaukab@intel.com> | 2015-09-29 12:08:22 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-10-01 12:40:25 -0500 |
| commit | b2d4c54e51c4213d215520bab25efee74ddc8d3a (patch) | |
| tree | ae479761282a3814dcb94637a869b1653622d4bc /drivers/usb/dwc2 | |
| parent | 86de48953653777fd6f918f5c0f2107bb873eae3 (diff) | |
usb: dwc2: gadget: ignore stall check for ep0
dwc2_hsotg_start_req starts a request only if endpoint is not stalled.
Ignore this check for ep0 as core will clear DOEPCTL0.Stall after
sending stall handshake. Prepare instead for receiving next setup
packet.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index af4f0c165d05..885b5b663a69 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -556,7 +556,7 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, /* If endpoint is stalled, we will restart request later */ ctrl = dwc2_readl(hsotg->regs + epctrl_reg); - if (ctrl & DXEPCTL_STALL) { + if (index && ctrl & DXEPCTL_STALL) { dev_warn(hsotg->dev, "%s: ep%d is stalled\n", __func__, index); return; } |