Re: [PATCH AUTOSEL 6.19-6.1] mmc: rtsx: reset power state on suspend

[Sasha Levin]

On Thu, Feb 19, 2026 at 11:27:35AM +0100, Ulf Hansson wrote:
> On Thu, 19 Feb 2026 at 03:04, Sasha Levin <sashal@xxxxxxxxxx> wrote:
> > From: Matthew Schwartz <matthew.schwartz@xxxxxxxxx>
> >
> > [ Upstream commit eac85fbd0867c25ac517f58fae401d65c627edff ]
> >
> > When rtsx_pci suspends, the card reader hardware powers off but the sdmmc
> > driver's prev_power_state remains as MMC_POWER_ON. This causes sd_power_on
> > to skip reinitialization on the next I/O request, leading to DMA transfer
> > timeouts and errors on resume 20% of the time.
> >
> > Add a power_off slot callback so the PCR can notify the sdmmc driver
> > during suspend. The sdmmc driver resets prev_power_state, and sd_request
> > checks this to reinitialize the card before the next I/O.
> >
> > Signed-off-by: Matthew Schwartz <matthew.schwartz@xxxxxxxxx>
> > Link: https://patch.msgid.link/20260105060236.400366-2-matthew.schwartz@xxxxxxxxx
> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
>
> NAK.
>
> This patch is reverted in mainline, as it's not the proper fix.

Dropped, thanks.

--
Thanks,
Sasha