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| author | Ulf Hansson <ulf.hansson@linaro.org> | 2021-05-06 16:58:28 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2021-06-14 13:57:37 +0200 |
| commit | 8ae11edeb95682f6ab1983986c1daff3a00e01fc (patch) | |
| tree | eb9a2cb64b71098681f801aaca85452645afed70 /drivers/mmc/core/core.h | |
| parent | 70b52f09080565030a530a784f1c9948a7f48ca3 (diff) | |
| download | linux-8ae11edeb95682f6ab1983986c1daff3a00e01fc.tar.bz2 | |
mmc: core: Move eMMC cache flushing to a new bus_ops callback
To prepare to add internal cache management for SD cards, let's start by
moving the eMMC specific code into a new ->flush_cache() bus_ops callback.
In this way, it becomes straight forward to add the SD specific parts,
as subsequent changes are about to show.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210506145829.198823-2-ulf.hansson@linaro.org
Diffstat (limited to 'drivers/mmc/core/core.h')
| -rw-r--r-- | drivers/mmc/core/core.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index db3c9c68875d..0c4de2030b3f 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -30,6 +30,7 @@ struct mmc_bus_ops { int (*hw_reset)(struct mmc_host *); int (*sw_reset)(struct mmc_host *); bool (*cache_enabled)(struct mmc_host *); + int (*flush_cache)(struct mmc_host *); }; void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); @@ -172,4 +173,12 @@ static inline bool mmc_cache_enabled(struct mmc_host *host) return false; } +static inline int mmc_flush_cache(struct mmc_host *host) +{ + if (host->bus_ops->flush_cache) + return host->bus_ops->flush_cache(host); + + return 0; +} + #endif |