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-rw-r--r--drivers/usb/dwc3/core.h2
-rw-r--r--drivers/usb/dwc3/ep0.c1
-rw-r--r--drivers/usb/dwc3/gadget.c5
3 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 5c9d467195a6..81c486b3941c 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -1046,6 +1046,7 @@ struct dwc3_scratchpad_array {
* @tx_thr_num_pkt_prd: periodic ESS transmit packet count
* @tx_max_burst_prd: max periodic ESS transmit burst size
* @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize
+ * @clear_stall_protocol: endpoint number that requires a delayed status phase
* @hsphy_interface: "utmi" or "ulpi"
* @connected: true when we're connected to a host, false otherwise
* @softconnect: true when gadget connect is called, false when disconnect runs
@@ -1266,6 +1267,7 @@ struct dwc3 {
u8 tx_thr_num_pkt_prd;
u8 tx_max_burst_prd;
u8 tx_fifo_resize_max_num;
+ u8 clear_stall_protocol;
const char *hsphy_interface;
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 1064be5518f6..aa8476da222d 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -1080,6 +1080,7 @@ void dwc3_ep0_send_delayed_status(struct dwc3 *dwc)
unsigned int direction = !dwc->ep0_expect_in;
dwc->delayed_status = false;
+ dwc->clear_stall_protocol = 0;
if (dwc->ep0state != EP0_STATUS_PHASE)
return;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index c3d95f9b010b..efaa63df9336 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2152,6 +2152,9 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
if (dep->flags & DWC3_EP_END_TRANSFER_PENDING ||
(dep->flags & DWC3_EP_DELAY_STOP)) {
dep->flags |= DWC3_EP_PENDING_CLEAR_STALL;
+ if (protocol)
+ dwc->clear_stall_protocol = dep->number;
+
return 0;
}
@@ -3483,7 +3486,7 @@ static void dwc3_gadget_endpoint_command_complete(struct dwc3_ep *dep,
}
dep->flags &= ~(DWC3_EP_STALL | DWC3_EP_WEDGE);
- if (dwc->delayed_status)
+ if (dwc->clear_stall_protocol == dep->number)
dwc3_ep0_send_delayed_status(dwc);
}