Messages in this thread | | | Date | Fri, 25 Nov 2022 09:18:40 +0100 | Subject | Re: [PATCH] arm64: dts: qcom: msm8996-tone: Fix USB taking 6 minutes to wake up | From | Neil Armstrong <> |
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On 24/11/2022 23:01, Konrad Dybcio wrote: > The hardware turns out to be pretty sluggish at assuming it can only > do USB2 with just a USB2 phy assigned to it - before it needed about > 6 minutes to acknowledge that. > > Limit it to USB-HS explicitly to make USB come up about 720x faster. > > Fixes: 9da65e441d4d ("arm64: dts: qcom: Add support for SONY Xperia X Performance / XZ / XZs (msm8996, Tone platform)") > Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> > --- > No words. > > arch/arm64/boot/dts/qcom/msm8996-sony-xperia-tone.dtsi | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/msm8996-sony-xperia-tone.dtsi b/arch/arm64/boot/dts/qcom/msm8996-sony-xperia-tone.dtsi > index 12a7b6d91dbe..0ab9687f3406 100644 > --- a/arch/arm64/boot/dts/qcom/msm8996-sony-xperia-tone.dtsi > +++ b/arch/arm64/boot/dts/qcom/msm8996-sony-xperia-tone.dtsi > @@ -991,10 +991,6 @@ touch_int_sleep: touch-int-sleep-state { > }; > }; > > -/* > - * For reasons that are currently unknown (but probably related to fusb301), USB takes about > - * 6 minutes to wake up (nothing interesting in kernel logs), but then it works as it should. > - */ > &usb3 { > status = "okay"; > qcom,select-utmi-as-pipe-clk; > @@ -1003,6 +999,7 @@ &usb3 { > &usb3_dwc3 { > extcon = <&usb3_id>; > dr_mode = "peripheral"; > + maximum-speed = "high-speed"; > phys = <&hsusb_phy1>; > phy-names = "usb2-phy"; > snps,hird-threshold = /bits/ 8 <0>;
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
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