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| author | Pratyush Anand <pratyush.anand@st.com> | 2012-06-25 22:40:43 +0530 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-07-02 10:02:07 +0300 |
| commit | 08f0d96670c53898b4154e7945e77cdd966003f7 (patch) | |
| tree | 52dca96f5bef8c30131cd9b653be603b2f59fc7d /drivers/usb/dwc3 | |
| parent | 5c81ababecd7ddae08ca944a65d8030cd393013c (diff) | |
| download | linux-3.10-08f0d96670c53898b4154e7945e77cdd966003f7.tar.gz linux-3.10-08f0d96670c53898b4154e7945e77cdd966003f7.tar.bz2 linux-3.10-08f0d96670c53898b4154e7945e77cdd966003f7.zip | |
usb: dwc3: correct set_halt implementation for ep0
set_halt for ep0 is called to stall a deferred control responses by the
gadget. We already have a function to stall default control endpoint.
This patch points set_halt for ep0 to the already available function.
Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Michel Sanches <michel.sanches@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 10 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 7 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.h | 1 |
3 files changed, 16 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 8244eb53082..1315e787a31 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -225,6 +225,16 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) dwc3_ep0_out_start(dwc); } +int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value) +{ + struct dwc3_ep *dep = to_dwc3_ep(ep); + struct dwc3 *dwc = dep->dwc; + + dwc3_ep0_stall_and_restart(dwc); + + return 0; +} + void dwc3_ep0_out_start(struct dwc3 *dwc) { int ret; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index d98549a7b8b..13f257db243 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1268,7 +1268,10 @@ static int dwc3_gadget_ep_set_wedge(struct usb_ep *ep) dep->flags |= DWC3_EP_WEDGE; spin_unlock_irqrestore(&dwc->lock, flags); - return dwc3_gadget_ep_set_halt(ep, 1); + if (dep->number == 0 || dep->number == 1) + return dwc3_gadget_ep0_set_halt(ep, 1); + else + return dwc3_gadget_ep_set_halt(ep, 1); } /* -------------------------------------------------------------------------- */ @@ -1286,7 +1289,7 @@ static const struct usb_ep_ops dwc3_gadget_ep0_ops = { .free_request = dwc3_gadget_ep_free_request, .queue = dwc3_gadget_ep0_queue, .dequeue = dwc3_gadget_ep_dequeue, - .set_halt = dwc3_gadget_ep_set_halt, + .set_halt = dwc3_gadget_ep0_set_halt, .set_wedge = dwc3_gadget_ep_set_wedge, }; diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 39ced0b0851..99e6d724882 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -111,6 +111,7 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state); void dwc3_ep0_interrupt(struct dwc3 *dwc, const struct dwc3_event_depevt *event); void dwc3_ep0_out_start(struct dwc3 *dwc); +int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value); int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, gfp_t gfp_flags); int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value); |