Re: msm8996: sdhci-msm: apq8096-db820c sdhci fails to init - "Timeout waiting for hardware interrupt."

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Hi,

On Fri, 11 Oct 2019 at 13:22, Paolo Pisati <p.pisati@xxxxxxxxx> wrote:
>
> On Fri, Oct 11, 2019 at 02:01:30AM -0400, Brian Masney wrote:
> > I encountered that same error working on the Nexus 5 support upstream.
> > Here's the fix:
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=03864e57770a9541e7ff3990bacf2d9a2fffcd5d
>
> No dice, same exact problem.
>
> But the patch is present downstream[1]:
>
> commit c26727f853308dc4a6645dad09e9565429f8604f
> Author: Loic Poulain <loic.poulain@xxxxxxxxxx>
> Date:   Wed Dec 12 17:51:48 2018 +0100
>
> arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
>
> In the same way as for msm8974-hammerhead, l21 load, used for SDCARD
> VMMC, needs to be increased in order to prevent any voltage drop issues
> (due to limited current) happening with some SDCARDS or during specific
> operations (e.g. write).
>
> Fixes: 660a9763c6a9 (arm64: dts: qcom: db820c: Add pm8994 regulator node)
> Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx>
>
>
> so it's probably worth carrying it.

I've sent it to LKML, but it has never landed (and I've never followed-up).

Regards,
Loic



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