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SubjectRe: [PATCH 11/18] arm64: dts: qcom: msm8994-octagon: Add uSD card and disable HS400 on eMMC
On Sun 2021-01-31 02:38:42, Konrad Dybcio wrote:
> From: Gustave Monce <gustave.monce@outlook.com>
>
> Lumia 950/XL, like other phones, ship with different storage chips.
> Some of them are not capable of stable operation at HS400. Disable it.
>
> Signed-off-by: Gustave Monce <gustave.monce@outlook.com>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
> ---
> .../dts/qcom/msm8994-msft-lumia-octagon.dtsi | 21 +++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
> index bf6e63a23600..004a42261cef 100644
> --- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
> @@ -684,6 +684,27 @@ vph_pwr_bbyp: boost-bypass {
>
> &sdhc1 {
> status = "okay";
> +
> + /*
> + * This device is shipped with HS400 capabable eMMCs

Typo, should be "capable"?

> + * However various brands have been used in various product batches,
> + * including a Samsung eMMC (BGND3R) which features a quirk with HS400.
> + * Set the speed to HS200 as a safety measure.
> + */

And this makes little sense. "This device is often shipped..."?

Best regards,
Pavel

--
http://www.livejournal.com/~pavelmachek
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