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| author | Bean Huo <beanhuo@micron.com> | 2023-10-31 01:48:09 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2023-11-03 14:01:32 +0300 |
| commit | ed9009ad300c0f15a3ecfe9613547b1962bde02c (patch) | |
| tree | 3b0ec79698eca6b61635daf60762763f86d47992 /drivers/mmc/core/card.h | |
| parent | 71956d0cb56c1e5f9feeb4819db87a076418e930 (diff) | |
| download | linux-ed9009ad300c0f15a3ecfe9613547b1962bde02c.tar.xz | |
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.
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 4edf9057fa79..b7754a1b8d97 100644 --- a/drivers/mmc/core/card.h +++ b/drivers/mmc/core/card.h @@ -280,4 +280,8 @@ static inline int mmc_card_broken_sd_cache(const struct mmc_card *c) return c->quirks & MMC_QUIRK_BROKEN_SD_CACHE; } +static inline int mmc_card_broken_cache_flush(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_CACHE_FLUSH; +} #endif |