diff options
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 8d8502373db6..fd1ac4dd5600 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1164,6 +1164,14 @@ static int dwc3_gadget_start(struct usb_gadget *g, reg &= ~DWC3_GCTL_DISSCRAMBLE; reg |= DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_DEVICE); + switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams0)) { + case DWC3_GHWPARAMS1_EN_PWROPT_CLK: + reg &= ~DWC3_GCTL_DSBLCLKGTNG; + break; + default: + dev_dbg(dwc->dev, "No power optimization available\n"); + } + /* * WORKAROUND: DWC3 revisions <1.90a have a bug * when The device fails to connect at SuperSpeed |