From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B836B35CBA2; Mon, 19 Jan 2026 14:50:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768834234; cv=none; b=Qulo6WyP2ycM0h3JL6s4uB2zJKdCFZQ1Hj3usFp5mkHqyVNZPhUh9vIGa5A/e0BtDIlmN81c1Tzkg6mZDzDJKa8mOOzgeLvLW+Q4uMkwI15/d3os3FY0I+ImajHi+AIY1VmZhCAMGCzwQN4Nm1dwB+rScMQjH1W7Ri6D9MbZZ2c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768834234; c=relaxed/simple; bh=XqmMUf+JRgITWl5DNhi2nVcY0jC7LrWG8/xXTpCXG/o=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=obLYygaUKHwaxhP0u2gj3YozfRTtASCfJ2nj1m8FkIXXaS2Ej/7BVfVSrS/xG0Qe/DgHKwVqIM7TwaFybtyGryQnUPA6OFYTNo2C0bBlV25IIYpzv/HRPTwGzNUYG2mEf6AJ0GUekjF2lg0z1MEukaa6o5+cOSgPrdLiMngTuwE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=V3fCCnsV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="V3fCCnsV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4774C116C6; Mon, 19 Jan 2026 14:50:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768834234; bh=XqmMUf+JRgITWl5DNhi2nVcY0jC7LrWG8/xXTpCXG/o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=V3fCCnsVQoyaLP+kTOxWw9oqkcZxKZgFTo6E/2uiBNiEt8cR2yu6JuoDIuk66huOH Xr5RjO9xhlF9lKjdr14anFbY50Sp9/C9daflWpP/0gW+EAvEeZO/p5qWsK0WKC/6xy xB/1D/Wi5HFvgEAE7OHBeNfPT262q1XeOnPk4EJASBb5DdGZ21uJf25m8HsmmTriyt Hrd69IMnwWSLAXvKM8a1u+zBh3YzrdYVJ3jR//jzbOEB4hlSgcKw43J8LPEhS6sung JgSYA5rUM8QY4BRR9JXA0Qqd0uSxwBcMaTr7P3R9csZ3CHfMjRCrE/L+c5KX9kOFmA AqPHS2MKtij3g== Message-ID: <8ea2358b-00e9-44b2-acce-777863e8688e@kernel.org> Date: Mon, 19 Jan 2026 15:50:29 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: phy: sc8280xp-qmp-pcie: Disallow bifurcation register on Purwa To: Konrad Dybcio , Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, YijieYang , Konrad Dybcio References: <20260119-topic-purwa_phy_shutup_warning-v1-1-997a692b31c6@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 19/01/2026 12:48, Konrad Dybcio wrote: > From: Konrad Dybcio > > Neither of the two Gen4x4 PHYs found on Purwa supports bifurcation. > The PHY is however physically laid out as if it were to, since there > are two separate ports (A/B). > > Split out a new if-then block to un-require the bifurcation register > handle to squash this warning: > > purwa-iot-evk.dtb: phy@1bd4000 (qcom,x1p42100-qmp-gen4x4-pcie-phy): 'qcom,4ln-config-sel' is a required property Warning does not exist in the kernel, so please do not reference it. > > Fixes: 2e1ffd4c1805 ("dt-bindings: phy: qcom,qmp-pcie: Add X1P42100 PCIe Gen4x4 PHY") > Reported-by: Rob Herring > Closes: https://lore.kernel.org/linux-arm-msm/176857775469.1631885.16133311938753588148.robh@kernel.org/ > Signed-off-by: Konrad Dybcio > --- > .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml > index 3a35120a77ec..431e8cb5df84 100644 > --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml > +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml > @@ -136,13 +136,22 @@ allOf: > items: > - description: port a > - description: port b > - required: > - - qcom,4ln-config-sel > else: > properties: > reg: > maxItems: 1 > > + - if: > + properties: > + compatible: > + contains: > + enum: > + - qcom,sc8280xp-qmp-gen3x4-pcie-phy > + - qcom,x1e80100-qmp-gen4x4-pcie-phy Best regards, Krzysztof