diff options
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index f0a9f1fbd1f..67f346e0d10 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1077,14 +1077,23 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if ((host->caps2 & MMC_CAP2_CACHE_CTRL) && card->ext_csd.cache_size > 0) { err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_CACHE_CTRL, 1, 0); + EXT_CSD_CACHE_CTRL, 1, + card->ext_csd.generic_cmd6_time); if (err && err != -EBADMSG) goto free_card; /* * Only if no error, cache is turned on successfully. */ - card->ext_csd.cache_ctrl = err ? 0 : 1; + if (err) { + pr_warning("%s: Cache is supported, " + "but failed to turn on (%d)\n", + mmc_hostname(card->host), err); + card->ext_csd.cache_ctrl = 0; + err = 0; + } else { + card->ext_csd.cache_ctrl = 1; + } } if (!oldcard) |