On 2019/3/4 4:17, John Stultz wrote: > On Sat, Mar 2, 2019 at 4:05 AM Yu Chen <chenyu56@xxxxxxxxxx> wrote: >> +static int hisi_hikey_usb_probe(struct platform_device *pdev) >> +{ >> + struct device *dev = &pdev->dev; >> + struct device_node *root = dev->of_node; > > Minor nit: root is unused and generates build warnings. > OK. Thanks! > thanks > -john > > . > Thanks Yu Chen