Re: [PATCH] arm64: dts: qcom: msm8996-tone: Fix USB taking 6 minutes to wake up

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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@xxxxxxxxxx>
---
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@xxxxxxxxxx>



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