Hi, Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> writes: > DWC_usb32 has a feature where it can issue multiple TRB fetch requests. > Add a new property to limit and only do only single TRB fetch request. > > Signed-off-by: Thinh Nguyen <thinhn@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt > index ff35fa6de2eb..29d6f9b1fc70 100644 > --- a/Documentation/devicetree/bindings/usb/dwc3.txt > +++ b/Documentation/devicetree/bindings/usb/dwc3.txt > @@ -108,6 +108,8 @@ Optional properties: > - snps,num-trb-prefetch: max value to do TRBs cache for DWC_usb32. The value > can be from 1 to DWC_USB32_CACHE_TRBS_PER_TRANSFER. > Default value is DWC_USB32_CACHE_TRBS_PER_TRANSFER. > + - snps,dis-mult-trb-fetch: set to issue only single TRB fetch request in > + DWC_usb32. two questions: - how is this different from passing 1 to the previous DT binding - do we know of anybody having issues with multi-trb prefetch? -- balbi
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