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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/mmc_ops.c | |
| parent | mmc: block: Disable CMDQ on the ioctl path (diff) | |
| download | linux-dev-8ae11edeb95682f6ab1983986c1daff3a00e01fc.tar.xz linux-dev-8ae11edeb95682f6ab1983986c1daff3a00e01fc.zip | |
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/mmc_ops.c')
| -rw-r--r-- | drivers/mmc/core/mmc_ops.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index b1da8f1950ee..af423acc4c88 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -20,7 +20,6 @@ #include "mmc_ops.h" #define MMC_BKOPS_TIMEOUT_MS (120 * 1000) /* 120s */ -#define MMC_CACHE_FLUSH_TIMEOUT_MS (30 * 1000) /* 30s */ #define MMC_SANITIZE_TIMEOUT_MS (240 * 1000) /* 240s */ static const u8 tuning_blk_pattern_4bit[] = { @@ -964,26 +963,6 @@ void mmc_run_bkops(struct mmc_card *card) } EXPORT_SYMBOL(mmc_run_bkops); -/* - * Flush the cache to the non-volatile storage. - */ -int mmc_flush_cache(struct mmc_card *card) -{ - int err = 0; - - if (mmc_cache_enabled(card->host)) { - err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_FLUSH_CACHE, 1, - MMC_CACHE_FLUSH_TIMEOUT_MS); - if (err) - pr_err("%s: cache flush error %d\n", - mmc_hostname(card->host), err); - } - - return err; -} -EXPORT_SYMBOL(mmc_flush_cache); - static int mmc_cmdq_switch(struct mmc_card *card, bool enable) { u8 val = enable ? EXT_CSD_CMDQ_MODE_ENABLED : 0; |