[PATCH 0/6] mmc: Set PROBE_PREFER_ASYNCHRONOUS for all host drivers
wens at csie.org
Mon Sep 7 14:04:53 AEST 2020
On Mon, Sep 7, 2020 at 11:57 AM Anand Moon <linux.amoon at gmail.com> wrote:
> Hi Martin.
> On Sat, 5 Sep 2020 at 03:24, Martin Blumenstingl
> <martin.blumenstingl at googlemail.com> wrote:
> > Hi Douglas,
> > On Fri, Sep 4, 2020 at 1:25 AM Douglas Anderson <dianders at chromium.org> wrote:
> > >
> > > As per discussion , it seems like it should be quite safe to turn
> > > on PROBE_PREFER_ASYNCHRONOUS for all sd/mmc host controllers. Let's
> > > give it a shot. For some discussion about this flag, see the commit
> > > message for commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous
> > > probe").
> > can this somehow change the order in which the MMC drivers end up loading?
> > on Amlogic SoCs we have up to three MMC controllers, some SoCs even
> > use two different MMC controller IPs (and therefore two different
> > drivers).
> > so far the MMC controller naming (/dev/mmcblk* etc.) was consistent -
> > can that change with this patch?
> We could resolve this by setting up aliases for mmc nodes in the dts.
Right now, only the dw_mmc driver family supports aliases for mmc nodes.
> > apologies if this has been discussed and answered anywhere
> > Best regards,
> > Martin
> Best regards
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