Messages in this thread | | | From | Rob Herring <> | Date | Wed, 5 Jan 2022 10:47:43 -0600 | Subject | Re: [PATCH 2/2] dt-bindings: usb: document snps,dis_split_quirk property in dwc3 |
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On Fri, Dec 17, 2021 at 8:46 AM Yaqin Pan <akingchen@vivo.com> wrote: > > >> >> Add snps,dis_split_quirk property for dwc3 controller > >> >> > >> >> Signed-off-by: Yaqin Pan <akingchen@vivo.com> > >> >> --- > >> >> 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
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