On Fri, Dec 17, 2021 at 8:46 AM Yaqin Pan <akingchen@xxxxxxxx> wrote: > > >> >> Add snps,dis_split_quirk property for dwc3 controller > >> >> > >> >> Signed-off-by: Yaqin Pan <akingchen@xxxxxxxx> > >> >> --- > >> >> Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 6 ++++++ > >> >> 1 file changed, 6 insertions(+) > >> >> > >> >> diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > >> >> index 41416fbd92aa..e9615ca8f447 100644 > >> >> --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > >> >> +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml > >> >> @@ -226,6 +226,12 @@ properties: > >> >> avoid -EPROTO errors with usbhid on some devices (Hikey 970). > >> >> type: boolean > >> >> + snps,dis_split_quirk: > > > >I'm tired of the never ending DWC3 quirks. Imply this from the > >compatible unless it varies by board. > > Yes, this is a DWC3 controller compatible issue. Again, imply this from the compatible STRING (or the compatible string of the parent node). I don't really want to see more quirk properties unless they are board or instance specific (meaning for a given SoC, the setting varies). What is the downside to always setting this bit in the controller even if not needed? Answer that question in your commit message. Rob