Re: [PATCH v2] dt-bindings: mmc: Set maximum documented operating frequency as 384MHz
From: Rob Herring
Date: Wed Jul 27 2022 - 11:04:18 EST
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@7824900:
> 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@xxxxxxxxxx>
> Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> ---
> - v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220725180916.2850228-1-bhupesh.sharma@xxxxxxxxxx/
> - Rebased on linux-next/master
>
> .../devicetree/bindings/mmc/mmc-controller.yaml | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>