| Message ID | 20221124220147.102611-1-konrad.dybcio@linaro.org |
|---|---|
| State | Accepted |
| Commit | 43069b9cd358aebc692e654de91ee06ff66e26af |
| Headers | show |
| Series | arm64: dts: qcom: msm8996-tone: Fix USB taking 6 minutes to wake up | expand |
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>
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>;
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(-)