Hello! On 3/9/21 4:14 PM, 'Wei Yongjun wrote: > From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> > > The function cdns_imx_resume() may have no callers depending > on configuration, so it must be marked __maybe_unused to avoid > harmless warning: > > drivers/usb/cdns3/cdns3-imx.c:378:12: warning: > 'cdns_imx_system_resume' defined but not used [-Wunused-function] > 378 | static int cdns_imx_system_resume(struct device *dev) > | ^~~~~~~~~~~~~~~~~~ Looks like that warning was copied from another kernel, where this function was named differently? > > Fixes: 67982dfa59de ("usb: cdns3: imx: add power lost support for system resume") > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> > --- > drivers/usb/cdns3/cdns3-imx.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/cdns3/cdns3-imx.c b/drivers/usb/cdns3/cdns3-imx.c > index 708b51cc5844..96fff823a594 100644 > --- a/drivers/usb/cdns3/cdns3-imx.c > +++ b/drivers/usb/cdns3/cdns3-imx.c > @@ -346,7 +346,7 @@ static int cdns_imx_platform_suspend(struct device *dev, > > } > > -static int cdns_imx_resume(struct device *dev) > +static int __maybe_unused cdns_imx_resume(struct device *dev) > { > struct cdns_imx *data = dev_get_drvdata(dev); > MBR, Sergei