From: Manu Gautam Date: Mon, 9 Dec 2019 15:15:01 +0000 (+0100) Subject: arm64: dts: qcom: msm8996: Disable USB2 PHY suspend by core X-Git-Tag: v5.4.22~229 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3a0074353591aa2abf907e9d59c813e3dcdbe9c;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: qcom: msm8996: Disable USB2 PHY suspend by core [ Upstream commit d026c96b25b7ce5df89526aad2df988d553edb4d ] QUSB2 PHY on msm8996 doesn't work well when autosuspend by dwc3 core using USB2PHYCFG register is enabled. One of the issue seen is that PHY driver reports PLL lock failure and fails phy_init() if dwc3 core has USB2 PHY suspend enabled. Fix this by using quirks to disable USB2 PHY LPM/suspend and dwc3 core already takes care of explicitly suspending PHY during suspend if quirks are specified. Signed-off-by: Manu Gautam Signed-off-by: Paolo Pisati Link: https://lore.kernel.org/r/20191209151501.26993-1-p.pisati@gmail.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 87f4d9c1b0d4c..fbb8ce78f95be 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -1598,6 +1598,8 @@ interrupts = <0 138 IRQ_TYPE_LEVEL_HIGH>; phys = <&hsusb_phy2>; phy-names = "usb2-phy"; + snps,dis_u2_susphy_quirk; + snps,dis_enblslpm_quirk; }; }; @@ -1628,6 +1630,8 @@ interrupts = <0 131 IRQ_TYPE_LEVEL_HIGH>; phys = <&hsusb_phy1>, <&ssusb_phy_0>; phy-names = "usb2-phy", "usb3-phy"; + snps,dis_u2_susphy_quirk; + snps,dis_enblslpm_quirk; }; };