diff options
| author | Gregory Herrero <gregory.herrero@intel.com> | 2015-04-29 23:09:07 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-04-29 23:19:14 +0300 |
| commit | 9e779778ad7e503434aa76bfc96f98d7d7b2d139 (patch) | |
| tree | 0b918228fc1bf37cba261dea6ae87576be84b035 /drivers/usb/dwc2 | |
| parent | 4876886fb95f93c8b09381ffbdac969d1a1fee0d (diff) | |
| download | linux-9e779778ad7e503434aa76bfc96f98d7d7b2d139.tar.xz | |
usb: dwc2: gadget: ignore pm suspend/resume in L2
Nothing to be done in pm suspend/resume when controller is in L2.
Don't disconnect or reset. State is already saved when putting
controller in hibernation and will be restored on USB bus resume.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index f867e954764f..a360f49d3fd0 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3672,6 +3672,9 @@ int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg) unsigned long flags; int ret = 0; + if (hsotg->lx_state != DWC2_L0) + return ret; + mutex_lock(&hsotg->init_mutex); if (hsotg->driver) { @@ -3712,6 +3715,9 @@ int s3c_hsotg_resume(struct dwc2_hsotg *hsotg) unsigned long flags; int ret = 0; + if (hsotg->lx_state == DWC2_L2) + return ret; + mutex_lock(&hsotg->init_mutex); if (hsotg->driver) { |