linux-kernel - Re: [PATCH] arm64: dts: qcom: x1e80100-hp-x14: drop bogus USB retimer

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Message-ID: <Z+ZqQ4pU/YHEI2M5@linaro.org>
Date: Fri, 28 Mar 2025 11:22:11 +0200
From: Abel Vesa <abel.vesa@...aro.org>
To: Johan Hovold <johan+linaro@...nel.org>
Cc: 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>,
	Jens Glathe <jens.glathe@...schoolsolutions.biz>,
	Stephan Gerhold <stephan.gerhold@...aro.org>,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: x1e80100-hp-x14: drop bogus USB retimer

On 25-03-28 09:41:54, Johan Hovold wrote:
> Jens reported that the sanity checks added to the new ps883x USB retimer
> driver breaks USB and display on the HP X14. Turns out the X14 only has
> a retimer on one of the ports, but this initially went unnoticed due to
> the missing sanity check (and error handling) in the retimer driver.
> 
> Drop the non-existing retimer from the devicetree to enable the second
> USB port and the display subsystem.
> 
> Note that this also matches the ACPI tables.
> 
> Fixes: 6f18b8d4142c ("arm64: dts: qcom: x1e80100-hp-x14: dt for HP Omnibook X Laptop 14")
> Cc: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
 
Reviewed-by: Abel Vesa <abel.vesa@...aro.org>