Re: [PATCH] mmc: core: Kioxia 016G01 does not enter boot mode after SLEEP

[Oleksij Rempel]

Hi Florian,

On Wed, May 06, 2026 at 09:49:46AM -0700, Florian Fainelli wrote:
> On 4/13/26 11:05, Florian Fainelli wrote:
> > The Kioxia 016G01 eMMC device does not exit SLEEP mode when sending CMD0
> > which prevents the system from properly resuming from S3 warm boot where
> > the eMMC is necessary to pull in the boot components.
> > 
> > Add a quirk which prevents that specific device model from entering
> > SLEEP mode. There are no differences in the power consumption observed.
> > 
> > Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> 
> Any feedback on this?

Hm, can the sleep call be executed before mmcblk driver is loaded?
For example by under-voltage signal? In this case the quirk will not
be applied. May be better to put this quirk in mmc_ext_csd_fixups[]?

Best Regards,
Oleksij
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