Before issuing mmc_erase() function, users always have checked if it can erase with mmc_can_erase/trim/discard() function, thus remove the redundant erase checking in mmc_erase() function. Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx> Tested-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> --- Changes since v3: - Split into 3 separate patches. - Add test tag by Shawn. Changes since v2: - Add nr checking and other optimization in mmc_erase() function. Changes since v1: - Add the alignment if card->erase_size is not power of 2. --- drivers/mmc/core/core.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index e55cde6..7d7209d 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2217,13 +2217,6 @@ int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, unsigned int rem, to = from + nr; int err; - if (!(card->host->caps & MMC_CAP_ERASE) || - !(card->csd.cmdclass & CCC_ERASE)) - return -EOPNOTSUPP; - - if (!card->erase_size) - return -EOPNOTSUPP; - if (mmc_card_sd(card) && arg != MMC_ERASE_ARG) return -EOPNOTSUPP; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html