mmc: core: Add SD card quirk for broken discard
authorAvri Altman <avri.altman@wdc.com>
Wed, 28 Sep 2022 09:57:44 +0000 (12:57 +0300)
committerUlf Hansson <ulf.hansson@linaro.org>
Thu, 6 Oct 2022 11:31:13 +0000 (13:31 +0200)
commit07d2872bf4c864eb83d034263c155746a2fb7a3b
tree863c65d136afe4b08c082e4beddeb82b1158684f
parent833477fce7a14d43ae4c07f8ddc32fa5119471a2
mmc: core: Add SD card quirk for broken discard

Some SD-cards from Sandisk that are SDA-6.0 compliant reports they supports
discard, while they actually don't. This might cause mk2fs to fail while
trying to format the card and revert it to a read-only mode.

To fix this problem, let's add a card quirk (MMC_QUIRK_BROKEN_SD_DISCARD)
to indicate that we shall fall-back to use the legacy erase command
instead.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220928095744.16455-1-avri.altman@wdc.com
[Ulf: Updated the commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/core/block.c
drivers/mmc/core/card.h
drivers/mmc/core/quirks.h
include/linux/mmc/card.h