linux-kernel - Re: [PATCH v2] dt-bindings: mmc: Set maximum documented operating frequency as 384MHz

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Date:   Wed, 27 Jul 2022 09:04:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     Bhupesh Sharma <bhupesh.sharma@...aro.org>
Cc:     linux-mmc@...r.kernel.org, bjorn.andersson@...aro.org,
        linux-arm-msm@...r.kernel.org, ulf.hansson@...aro.org,
        linux-kernel@...r.kernel.org, bhupesh.linux@...il.com,
        devicetree@...r.kernel.org, agross@...nel.org
Subject: Re: [PATCH v2] dt-bindings: mmc: Set maximum documented operating
 frequency as 384MHz

On Tue, 26 Jul 2022 14:15:20 +0530, Bhupesh Sharma wrote:
> As Ulf noted in [1], the maximum operating frequency
> documented in the mmc-controller device-tree bindings
> should be updated to the maximum frequency supported
> by the mmc controller(s).
> 
> Without this fix in place, the 'make dtbs_check' reports
> issues with 'max-frequency' value for ipq8074 sdhci node:
> 
>   arch/arm64/boot/dts/qcom/ipq8074-hk01.dtb: mmc@...4900:
>    max-frequency:0:0: 384000000 is greater than the maximum of 200000000
> 
> [1]. https://www.spinics.net/lists/kernel/msg4442049.html
> 
> Cc: Ulf Hansson <ulf.hansson@...aro.org>
> Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
> Cc: Rob Herring <robh@...nel.org>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
> ---
>  - v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220725180916.2850228-1-bhupesh.sharma@linaro.org/
>  - Rebased on linux-next/master
> 
>  .../devicetree/bindings/mmc/mmc-controller.yaml     | 13 ++++++++++---
>  1 file changed, 10 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>