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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>
hifive-unleashed-5.1
Gregory Herrero 2015-04-29 22:09:07 +02:00 committed by Felipe Balbi
parent 4876886fb9
commit 9e779778ad
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/dwc2/gadget.c
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@ -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) {