Re: [PATCH AUTOSEL 6.19-5.15] mmc: rtsx_pci: add quirk to disable MMC_CAP_AGGRESSIVE_PM for RTS525A

Sasha Levin
2026-02-26T13:23:46Z

On Thu, Feb 19, 2026 at 11:29:38AM +0100, Ulf Hansson wrote:
>On Thu, 19 Feb 2026 at 03:04, Sasha Levin <sashal@kernel.org> wrote:
>>
>> From: Matthew Schwartz <matthew.schwartz@linux.dev>
>>
>> [ Upstream commit 5f0bf80cc5e04d31eeb201683e0b477c24bd18e7 ]
>>
>> Using MMC_CAP_AGGRESSIVE_PM on RTS525A card readers causes game
>> performance issues when the card reader comes back from idle into active
>> use. This can be observed in Hades II when loading new sections of the
>> game or menu after the card reader puts itself into idle, and presents
>> as a 1-2 second hang.
>>
>> Add EXTRA_CAPS_NO_AGGRESSIVE_PM quirk to allow cardreader drivers to
>> opt-out of aggressive PM, and set it for RTS525A.
>>
>> Closes: https://lore.kernel.org/linux-mmc/ff9a7c20-f465-4afa-bf29-708d4a52974a@linux.dev/
>> Signed-off-by: Matthew Schwartz <matthew.schwartz@linux.dev>
>> Link: https://patch.msgid.link/20260103204226.71752-1-matthew.schwartz@linux.dev
>> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> Signed-off-by: Sasha Levin <sashal@kernel.org>
>
>NAK.
>
>This patch is reverted in mainline, as it's not the proper fix.

Dropped, thanks.

--
Thanks,
Sasha