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Date: Mon, 18 Dec 2023 08:39:11 +0100
From: Johan Hovold <johan@kernel.org>
To: Richard Acayan <mailingradian@gmail.com>
Cc: Johan Hovold <johan+linaro@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Andy Gross <agross@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Krishna Kurapati PSSNV <quic_kriskura@quicinc.com>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: qcom: sdm670: fix USB DP/DM HS PHY
 interrupts
Message-ID: <ZX_3H09Vx7Xyf8ti@hovoldconsulting.com>
References: <20231214074319.11023-1-johan+linaro@kernel.org>
 <20231214074319.11023-2-johan+linaro@kernel.org>
 <ZX0MzT5jX_s_m_1Y@radian>
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In-Reply-To: <ZX0MzT5jX_s_m_1Y@radian>

On Fri, Dec 15, 2023 at 09:34:53PM -0500, Richard Acayan wrote:
> On Thu, Dec 14, 2023 at 08:43:17AM +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: de3b3de30999 ("arm64: dts: qcom: sdm670: fix USB wakeup interrupt types")
> > Fixes: 07c8ded6e373 ("arm64: dts: qcom: add sdm670 and pixel 3a device trees")
> > Cc: stable@vger.kernel.org      # 6.2
> 
> I almost forgot to mention, both SDM670 patches seem to depend on
> b51ee205dc4f ("arm64: dts: qcom: sdm670: Add PDC") in 6.6 to compile
> properly.

Thanks for spotting that. The 6.5 stable tree is EOL now so this will
fortunately not be an issue in practice.

Johan