Messages in this thread | | | Date | Thu, 18 Feb 2021 14:41:15 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH 11/18] arm64: dts: qcom: msm8994-octagon: Add uSD card and disable HS400 on eMMC |
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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
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