On Wed, Apr 10, 2019 at 02:47:24PM +0800, Chunfeng Yun wrote: > Use devm_clk_get_optional() to get optional clock > > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> > --- > v2: no changes > --- > drivers/usb/host/xhci-mtk.c | 19 +++---------------- > 1 file changed, 3 insertions(+), 16 deletions(-) > > diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c > index 60987c787e44..026fe18972d3 100644 > --- a/drivers/usb/host/xhci-mtk.c > +++ b/drivers/usb/host/xhci-mtk.c > @@ -206,19 +206,6 @@ static int xhci_mtk_ssusb_config(struct xhci_hcd_mtk *mtk) > return xhci_mtk_host_enable(mtk); > } > > -/* ignore the error if the clock does not exist */ > -static struct clk *optional_clk_get(struct device *dev, const char *id) > -{ > - struct clk *opt_clk; > - > - opt_clk = devm_clk_get(dev, id); > - /* ignore error number except EPROBE_DEFER */ > - if (IS_ERR(opt_clk) && (PTR_ERR(opt_clk) != -EPROBE_DEFER)) Are you sure about this? devm_clk_get_optional() does not check for -EPROBE_DEFER, so you just changed the functionality of this code. Is that ok? If so, please call it out explicitly in your changelog comment when you resend this. thanks, greg k-h