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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 20-06-09 19:12:40, Li Jun wrote: > Add a property "snps,xhci-dis-64bit-support-quirk" to disable xhci 64bit > address support, this is due to SoC integration can't support it but > the AC64 bit (bit 0) of HCCPARAMS1 is set to be 1. > > Signed-off-by: Li Jun > --- > Documentation/devicetree/bindings/usb/dwc3.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt > index d03edf9..d16cba7 100644 > --- a/Documentation/devicetree/bindings/usb/dwc3.txt > +++ b/Documentation/devicetree/bindings/usb/dwc3.txt > @@ -109,6 +109,9 @@ Optional properties: > When just one value, which means INCRX burst mode enabled. When > more than one value, which means undefined length INCR burst type > enabled. The values can be 1, 4, 8, 16, 32, 64, 128 and 256. > + - snps,xhci-dis-64bit-support-quirk: set if the AC64 bit (bit 0) of HCCPARAMS1 is set > + to be 1, but the controller actually can't handle 64-bit address > + due to SoC integration. > > - in addition all properties from usb-xhci.txt from the current directory are > supported as well Why not adding it at usb-xhci.txt directly? It is more like general property, I see Renesas rcar platforms also have this quirk. -- Thanks, Peter Chen _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel