linux-kernel - [PATCH] arm64: dts: qcom: x1e80100: Force host dr_mode for usb

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-next>] [day] [month] [year] [list]

Message-Id: <20241014-x1e80100-usb2-dwc3-set-dr-mode-host-v1-1-3baab3ad17d8@linaro.org>
Date: Mon, 14 Oct 2024 17:14:51 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Johan Hovold <johan@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH] arm64: dts: qcom: x1e80100: Force host dr_mode for usb_2
 controller

The usb_2 controller has only a USB 2.0 PHY connected to it. There is no
USB 3.x PHY fot it. So since dual-role is not an option, explicitly set
the dr_mode to host to match the hardware.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---
 arch/arm64/boot/dts/qcom/x1e80100.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 0e6802c1d2d8375987c614ec69c440e2f38d25c6..4da13c8472392d842442193dc740027fa011ee1f 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -4143,6 +4143,7 @@ usb_2_dwc3: usb@...0000 {
 				iommus = <&apps_smmu 0x14e0 0x0>;
 				phys = <&usb_2_hsphy>;
 				phy-names = "usb2-phy";
+				dr_mode = "host";
 				maximum-speed = "high-speed";
 
 				ports {

---
base-commit: d61a00525464bfc5fe92c6ad713350988e492b88
change-id: 20241014-x1e80100-usb2-dwc3-set-dr-mode-host-35312d1d25b2

Best regards,
-- 
Abel Vesa <abel.vesa@...aro.org>