Hi Thinh, Am Dienstag, 15. Februar 2022, 23:49:48 CET schrieb Thinh Nguyen: > The CONFIG_OF maybe set, but it may not be applicable to a device. In > such case, checking against that can cause the device fail to > initialize. Check against the device node (device->of_node) instead. > > Fixes: a102f07e4edf ("usb: dwc3: drd: Add support for usb-conn-gpio based > usb-role-switch") Signed-off-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> > --- > Note: This patch should go on Greg's "usb-testing" branch as the commit it > fixes is not in mainline yet. > > drivers/usb/dwc3/drd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c > index 25f322e62d3f..b60b5f7b6dff 100644 > --- a/drivers/usb/dwc3/drd.c > +++ b/drivers/usb/dwc3/drd.c > @@ -560,7 +560,7 @@ static int dwc3_setup_role_switch(struct dwc3 *dwc) > if (IS_ERR(dwc->role_sw)) > return PTR_ERR(dwc->role_sw); > > - if (IS_ENABLED(CONFIG_OF)) { > + if (dwc->dev->of_node) { > /* populate connector entry */ > int ret = devm_of_platform_populate(dwc->dev); > > Looks reasonable, thanks. Tested-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> on TQMa8MPxL using DT. Regards, Alexander