On 6 September 2016 at 04:55, Baolin Wang <baolin.wang@xxxxxxxxxx> wrote: > 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; > - Could we postpone this until after a clean-up-series of the mmc erase functions? Until the function remains an exported API, I think it should keep doing this validations. > if (mmc_card_sd(card) && arg != MMC_ERASE_ARG) > return -EOPNOTSUPP; > > -- > 1.7.9.5 > Kind regards Uffe -- 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