From: Paul Zimmerman Date: Fri, 30 Sep 2011 07:58:44 +0000 (+0300) Subject: usb: dwc3: gadget: make DWC3_EP_WEDGE do the right thing X-Git-Tag: next-20111005~9^2~9 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5275455a6e6ae6b57303834b0afd267bb9657ffc;p=karo-tx-linux.git usb: dwc3: gadget: make DWC3_EP_WEDGE do the right thing This makes DWC3_EP_WEDGE do the right thing, which is prevent DWC3_EP_WEDGE from ever being cleared by a ClearFeature(HALT) command. [ balbi@ti.com : allowed set_wedge to send SetHalt command to controller ] Signed-off-by: Paul Zimmerman Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fd5d2bd9b7ef..16f2ba614fc0 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -894,6 +894,9 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) else dep->flags |= DWC3_EP_STALL; } else { + if (dep->flags & DWC3_EP_WEDGE) + return 0; + ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, DWC3_DEPCMD_CLEARSTALL, ¶ms); if (ret) @@ -903,6 +906,7 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value) else dep->flags &= ~DWC3_EP_STALL; } + return ret; } @@ -936,7 +940,7 @@ static int dwc3_gadget_ep_set_wedge(struct usb_ep *ep) dep->flags |= DWC3_EP_WEDGE; - return usb_ep_set_halt(ep); + return dwc3_gadget_ep_set_halt(ep, 1); } /* -------------------------------------------------------------------------- */