This is a note to let you know that I've just added the patch titled
mmc: core: Respect quirk_max_rate for non-UHS SDIO card
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mmc-core-respect-quirk_max_rate-for-non-uhs-sdio-car.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit baca264ee7b8cc4e52a62078b1fadd05f63c355c
Author: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
Date: Fri Nov 22 17:37:22 2024 +0800
mmc: core: Respect quirk_max_rate for non-UHS SDIO card
[ Upstream commit a2a44f8da29352f76c99c6904ee652911b8dc7dd ]
The card-quirk was added to limit the clock-rate for a card with UHS-mode
support, although let's respect the quirk for non-UHS mode too, to make the
behaviour consistent.
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
Message-ID: <1732268242-72799-1-git-send-email-shawn.lin@xxxxxxxxxxxxxx>
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index eda2dbd965392..a0cac8c87ef2f 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -443,6 +443,8 @@ static unsigned mmc_sdio_get_max_clock(struct mmc_card *card)
if (card->type == MMC_TYPE_SD_COMBO)
max_dtr = min(max_dtr, mmc_sd_get_max_clock(card));
+ max_dtr = min_not_zero(max_dtr, card->quirk_max_rate);
+
return max_dtr;
}
