linux-kernel - Re: [PATCH 2/3] ARM: dts: qcom: sdx55: fix USB DP/DM HS PHY interrupts

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Message-ID: <20231218161333.GB50521@thinkpad>
Date: Mon, 18 Dec 2023 21:43:33 +0530
From: Manivannan Sadhasivam <mani@...nel.org>
To: Johan Hovold <johan+linaro@...nel.org>
Cc: Bjorn Andersson <andersson@...nel.org>, Andy Gross <agross@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 2/3] ARM: dts: qcom: sdx55: fix USB DP/DM HS PHY
 interrupts

On Wed, Dec 13, 2023 at 06:31:30PM +0100, Johan Hovold wrote:
> The USB DP/DM HS PHY interrupts need to be provided by the PDC interrupt
> controller in order to be able to wake the system up from low-power
> states and to be able to detect disconnect events, which requires
> triggering on falling edges.
> 
> A recent commit updated the trigger type but failed to change the
> interrupt provider as required. This leads to the current Linux driver
> failing to probe instead of printing an error during suspend and USB
> wakeup not working as intended.
> 
> Fixes: d0ec3c4c11c3 ("ARM: dts: qcom: sdx55: fix USB wakeup interrupt types")
> Fixes: fea4b41022f3 ("ARM: dts: qcom: sdx55: Add USB3 and PHY support")
> Cc: stable@...r.kernel.org	# 5.12
> Cc: Manivannan Sadhasivam <mani@...nel.org>
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

- Mani

> ---
>  arch/arm/boot/dts/qcom/qcom-sdx55.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
> index 0864c99a3da1..49910279cb71 100644
> --- a/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
> @@ -585,10 +585,10 @@ usb: usb@...8800 {
>  					  <&gcc GCC_USB30_MASTER_CLK>;
>  			assigned-clock-rates = <19200000>, <200000000>;
>  
> -			interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
> -				     <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
> -				     <GIC_SPI 158 IRQ_TYPE_EDGE_BOTH>,
> -				     <GIC_SPI 157 IRQ_TYPE_EDGE_BOTH>;
> +			interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&intc GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
> +					      <&pdc 11 IRQ_TYPE_EDGE_BOTH>,
> +					      <&pdc 10 IRQ_TYPE_EDGE_BOTH>;
>  			interrupt-names = "hs_phy_irq", "ss_phy_irq",
>  					  "dm_hs_phy_irq", "dp_hs_phy_irq";
>  
> -- 
> 2.41.0
> 

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