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@xxxxxx>
Signed-off-by: Michel Sanches <michel.sanches@xxxxxx>
---
drivers/usb/dwc3/ep0.c | 10 ++++++++++
drivers/usb/dwc3/gadget.c | 7 +++++--
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 bc223ea..58ab5ae 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 1b29b6a..97b29ad 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1302,7 +1302,10 @@ 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);
}
/* -------------------------------------------------------------------------- */
@@ -1322,7 +1325,7 @@ static const struct usb_ep_ops dwc3_gadget_ep0_ops = {
.free_buffer = dwc3_gadget_ep_free_buffer,
.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 39ced0b..99e6d72 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);
--
1.7.5.4
--
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