linux-kernel - Re: [PATCH V3 4/4] arm64: dts: qcom: sm8550: Remove SDR104/SDR50 broken capabilities

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Message-ID: <5af406b6-cc31-46ef-aded-7c0de3115e52@oss.qualcomm.com>
Date: Sat, 21 Jun 2025 12:23:43 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Sarthak Garg <quic_sartgarg@...cinc.com>,
        Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>
Cc: linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        quic_cang@...cinc.com, quic_nguyenb@...cinc.com,
        quic_rampraka@...cinc.com, quic_pragalla@...cinc.com,
        quic_sayalil@...cinc.com, quic_nitirawa@...cinc.com,
        quic_bhaskarv@...cinc.com, kernel@....qualcomm.com
Subject: Re: [PATCH V3 4/4] arm64: dts: qcom: sm8550: Remove SDR104/SDR50
 broken capabilities

On 6/18/25 9:28 AM, Sarthak Garg wrote:
> Kernel now handles all level shifter limitations related to SD card
> modes.
> As a result, the broken hardware capabilities for SDR104 and SDR50 modes
> can be removed from the device tree.
> Additionally, due to level shifter constraints, set the maximum
> frequency for High Speed (HS) mode to 37.5 MHz using the
> max-sd-hs-frequency property for sm8550.

It's a little bit
hard to read text that is formatted
like that, please stick to ~72 chars per line instead

Konrad