From: Hanumath Prasad <hanumath.prasad@xxxxxxxxxxxxxx> A non-zero value of SEC_COUNT does not indicate that the card is sector addressed. According to the MMC specification, cards with a density greater than 2GiB are sector addressed. Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx> Signed-off-by: Hanumath Prasad <hanumath.prasad@xxxxxxxxxxxxxx> Signed-off-by: Rabin Vincent <rabin.vincent@xxxxxxxxxxxxxx> --- drivers/mmc/core/mmc.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 89f7a25..1dc784e 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -222,7 +222,9 @@ static int mmc_read_ext_csd(struct mmc_card *card) ext_csd[EXT_CSD_SEC_CNT + 1] << 8 | ext_csd[EXT_CSD_SEC_CNT + 2] << 16 | ext_csd[EXT_CSD_SEC_CNT + 3] << 24; - if (card->ext_csd.sectors) + + /* Cards with density > 2GiB are sector addressed */ + if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) mmc_card_set_blockaddr(card); } -- 1.7.0 -- 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
