korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-23 11:04:44 +08:00
Code Issues Packages Projects Releases Wiki Activity

usb: dwc3: gadget: synchronize_irq dwc irq in suspend

Browse Source 
We see dwc3 endpoint stopped by unwanted irq during
suspend resume test, which is caused dwc3 ep can't be started
with error "No Resource".

Here, add synchronize_irq before suspend to sync the
pending IRQ handlers complete.

Signed-off-by: Bo He <bo.he@intel.com>
Signed-off-by: Yu Wang <yu.y.wang@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Bo He 2019-01-14 09:48:32 +02:00 committed by Felipe Balbi
parent 1c7fc5cbc3
commit 01c10880d2
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/dwc3/gadget.c
View File

@ -3379,6 +3379,8 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
dwc3_disconnect_gadget(dwc);
__dwc3_gadget_stop(dwc);
synchronize_irq(dwc->irq_gadget);
return 0;
}