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| author | Paul Zimmerman <Paul.Zimmerman@synopsys.com> | 2011-09-30 10:58:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-10-04 10:25:53 -0700 |
| commit | 5275455a6e6ae6b57303834b0afd267bb9657ffc (patch) | |
| tree | a8ff14919fc0f62459771e667a101439ec9cbc65 /drivers/usb/dwc3 | |
| parent | 82828ca77b8b63b817d9bb540145a4cafa9be582 (diff) | |
| download | op-kernel-dev-5275455a6e6ae6b57303834b0afd267bb9657ffc.zip op-kernel-dev-5275455a6e6ae6b57303834b0afd267bb9657ffc.tar.gz | |
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 <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fd5d2bd..16f2ba6 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); } /* -------------------------------------------------------------------------- */ |
