linux-kernel - Re: [PATCH v3 2/3] phy: qcom: edp: Make the number of clocks flexible

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Message-ID: <basmm6j76upxmb5h6tmqvuuehg3qvj3tfkbq4q6e7tugfkv4is@ttu4dam5h2gx>
Date: Wed, 19 Nov 2025 11:03:54 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Abel Vesa <abel.vesa@...aro.org>
Cc: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Rajendra Nayak <quic_rjendra@...cinc.com>,
        Johan Hovold <johan@...nel.org>, Taniya Das <quic_tdas@...cinc.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH v3 2/3] phy: qcom: edp: Make the number of clocks flexible

On Tue, Sep 09, 2025 at 10:33:34AM +0300, Abel Vesa wrote:
> On X Elite, the DP PHY needs another clock called ref, while all other
> platforms do not.
> 
> The current X Elite devices supported upstream work fine without this
> clock, because the boot firmware leaves this clock enabled. But we should
> not rely on that. Also, even though this change breaks the ABI, it is
> needed in order to make the driver disables this clock along with the
> other ones, for a proper bring-down of the entire PHY.
> 
> So in order to handle these clocks on different platforms, make the driver
> get all the clocks regardless of how many there are provided.
> 
> Cc: stable@...r.kernel.org # v6.10
> Fixes: db83c107dc29 ("phy: qcom: edp: Add v6 specific ops and X1E80100 platform support")
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-edp.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry