On 3/30/2019 1:28 PM, Chunfeng Yun wrote: > Use devm_clk_get_optional() to get optional clock > > Cc: Minas Harutyunyan <hminas@xxxxxxxxxxxx> > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Acked-by: Minas Harutyunyan <hminas@xxxxxxxxxxxx> > --- > drivers/usb/dwc2/platform.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c > index c0b64d483552..9aa9682a5cd2 100644 > --- a/drivers/usb/dwc2/platform.c > +++ b/drivers/usb/dwc2/platform.c > @@ -284,10 +284,10 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) > } > > /* Clock */ > - hsotg->clk = devm_clk_get(hsotg->dev, "otg"); > + hsotg->clk = devm_clk_get_optional(hsotg->dev, "otg"); > if (IS_ERR(hsotg->clk)) { > - hsotg->clk = NULL; > - dev_dbg(hsotg->dev, "cannot get otg clock\n"); > + dev_err(hsotg->dev, "cannot get otg clock\n"); > + return PTR_ERR(hsotg->clk); > } > > /* Regulators */ >