linux-kernel - [RESEND PATCH 4/4] arm64: dts: qcom: qrb5165-rb5: Use proper WSA881x shutdown GPIO polarity

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 22 Mar 2023 20:30:51 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [RESEND PATCH 4/4] arm64: dts: qcom: qrb5165-rb5: Use proper WSA881x shutdown GPIO polarity

The WSA881x shutdown GPIO is active low (SD_N), but Linux driver assumed
DTS always comes with active high.  Since Linux drivers were updated to
handle proper flag, correct the DTS.

The change is not backwards compatible with older Linux kernel.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index aa0a7bd7307c..dd924331b0ee 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -1012,7 +1012,7 @@ &swr0 {
 	left_spkr: speaker@0,3 {
 		compatible = "sdw10217211000";
 		reg = <0 3>;
-		powerdown-gpios = <&tlmm 130 GPIO_ACTIVE_HIGH>;
+		powerdown-gpios = <&tlmm 130 GPIO_ACTIVE_LOW>;
 		#thermal-sensor-cells = <0>;
 		sound-name-prefix = "SpkrLeft";
 		#sound-dai-cells = <0>;
@@ -1021,7 +1021,7 @@ left_spkr: speaker@0,3 {
 	right_spkr: speaker@0,4 {
 		compatible = "sdw10217211000";
 		reg = <0 4>;
-		powerdown-gpios = <&tlmm 130 GPIO_ACTIVE_HIGH>;
+		powerdown-gpios = <&tlmm 130 GPIO_ACTIVE_LOW>;
 		#thermal-sensor-cells = <0>;
 		sound-name-prefix = "SpkrRight";
 		#sound-dai-cells = <0>;
-- 
2.34.1