diff options
| author | Bean Huo <beanhuo@micron.com> | 2023-10-30 23:48:09 +0100 |
|---|---|---|
| committer | Parth Pancholi <parth.pancholi@toradex.com> | 2023-11-14 13:41:56 +0100 |
| commit | 61d265bd311b0bde2399728676de22986ad97dd3 (patch) | |
| tree | d179fba93c05ac4f7d986c208cd7ea9128f7236c /drivers/mmc/core/card.h | |
| parent | 90fcfd0d5894d561b3801279565b044bde3ba92e (diff) | |
mmc: Add quirk MMC_QUIRK_BROKEN_CACHE_FLUSH for Micron eMMC Q2J54A
Micron MTFC4GACAJCN eMMC supports cache but requires that flush cache
operation be allowed only after a write has occurred. Otherwise, the
cache flush command or subsequent commands will time out.
Upstream-Status: Backport [ed9009ad300c0f15a3ecfe9613547b1962bde02c]
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Rafael Beims <rafael.beims@toradex.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20231030224809.59245-1-beanhuo@iokpp.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core/card.h')
| -rw-r--r-- | drivers/mmc/core/card.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/core/card.h b/drivers/mmc/core/card.h index 7bd392d55cfa..eaccbf797a53 100644 --- a/drivers/mmc/core/card.h +++ b/drivers/mmc/core/card.h @@ -222,4 +222,8 @@ static inline int mmc_card_broken_hpi(const struct mmc_card *c) return c->quirks & MMC_QUIRK_BROKEN_HPI; } +static inline int mmc_card_broken_cache_flush(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_CACHE_FLUSH; +} #endif |