diff options
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index d35231feac68..8674c3e0c02c 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -2029,6 +2029,12 @@ static void mmc_detect(struct mmc_host *host) } } +static bool _mmc_cache_enabled(struct mmc_host *host) +{ + return host->card->ext_csd.cache_size > 0 && + host->card->ext_csd.cache_ctrl & 1; +} + static int _mmc_suspend(struct mmc_host *host, bool is_suspend) { int err = 0; @@ -2208,6 +2214,7 @@ static const struct mmc_bus_ops mmc_ops = { .alive = mmc_alive, .shutdown = mmc_shutdown, .hw_reset = _mmc_hw_reset, + .cache_enabled = _mmc_cache_enabled, }; /* |