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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2023-04-12 12:01:32 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2023-04-12 12:01:32 +0200
commit5603effb8295ada8419408d038a34ca89d658229 (patch)
treeb06d8e309631d507c7b030e943b8479e2d15250b /drivers/usb/dwc3/gadget.c
parentb89ce1177d42d5c124e83f3858818cd4e6a2c46f (diff)
parent09a9639e56c01c7a00d6c0ca63f4c7c41abe075d (diff)
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixesdrm-misc-fixes-2023-04-13
We were stuck on rc2, should at least attempt to track drm-fixes slightly. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r--drivers/usb/dwc3/gadget.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3c63fa97a680..cf5b4f49c3ed 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1699,6 +1699,7 @@ static int __dwc3_gadget_get_frame(struct dwc3 *dwc)
*/
static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt)
{
+ struct dwc3 *dwc = dep->dwc;
struct dwc3_gadget_ep_cmd_params params;
u32 cmd;
int ret;
@@ -1722,10 +1723,13 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int
WARN_ON_ONCE(ret);
dep->resource_index = 0;
- if (!interrupt)
+ if (!interrupt) {
+ if (!DWC3_IP_IS(DWC3) || DWC3_VER_IS_PRIOR(DWC3, 310A))
+ mdelay(1);
dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
- else if (!ret)
+ } else if (!ret) {
dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
+ }
dep->flags &= ~DWC3_EP_DELAY_STOP;
return ret;
@@ -3774,7 +3778,11 @@ void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
* enabled, the EndTransfer command will have completed upon
* returning from this function.
*
- * This mode is NOT available on the DWC_usb31 IP.
+ * This mode is NOT available on the DWC_usb31 IP. In this
+ * case, if the IOC bit is not set, then delay by 1ms
+ * after issuing the EndTransfer command. This allows for the
+ * controller to handle the command completely before DWC3
+ * remove requests attempts to unmap USB request buffers.
*/
__dwc3_stop_active_transfer(dep, force, interrupt);