]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
usb: dwc3: gadget: don't enable interrupt when disabling endpoint
authorSasha Levin <sashal@kernel.org>
Sat, 18 Apr 2020 16:11:16 +0000 (12:11 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 21 Apr 2020 07:03:09 +0000 (09:03 +0200)
[ Upstream commit c5353b225df9b2d0cf881873eef6f680e43c9aa2 ]

Since we're disabling the endpoint anyway, we don't worry about
getting endpoint command completion interrupt.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/usb/dwc3/gadget.c

index 7b8b463676ad610ca1c97480051a9e6862356c6a..019aee3a795684d7c39c4a339f6d8def3c62e156 100644 (file)
@@ -688,12 +688,13 @@ out:
        return 0;
 }
 
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force);
+static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+               bool interrupt);
 static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep)
 {
        struct dwc3_request             *req;
 
-       dwc3_stop_active_transfer(dep, true);
+       dwc3_stop_active_transfer(dep, true, false);
 
        /* - giveback all requests to gadget driver */
        while (!list_empty(&dep->started_list)) {
@@ -1416,7 +1417,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
                }
                if (r == req) {
                        /* wait until it is processed */
-                       dwc3_stop_active_transfer(dep, true);
+                       dwc3_stop_active_transfer(dep, true, true);
 
                        if (!r->trb)
                                goto out0;
@@ -2366,7 +2367,7 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
        dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
 
        if (stop) {
-               dwc3_stop_active_transfer(dep, true);
+               dwc3_stop_active_transfer(dep, true, true);
                dep->flags = DWC3_EP_ENABLED;
        }
 
@@ -2488,7 +2489,8 @@ static void dwc3_reset_gadget(struct dwc3 *dwc)
        }
 }
 
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
+static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+       bool interrupt)
 {
        struct dwc3 *dwc = dep->dwc;
        struct dwc3_gadget_ep_cmd_params params;
@@ -2532,7 +2534,7 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
 
        cmd = DWC3_DEPCMD_ENDTRANSFER;
        cmd |= force ? DWC3_DEPCMD_HIPRI_FORCERM : 0;
-       cmd |= DWC3_DEPCMD_CMDIOC;
+       cmd |= interrupt ? DWC3_DEPCMD_CMDIOC : 0;
        cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
        memset(&params, 0, sizeof(params));
        ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);