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> Cc: <linux-mmc@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/mmc/core/mmc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff -puN drivers/mmc/core/mmc.c~mmc-only-set-blockaddressed-for-2gib-cards drivers/mmc/core/mmc.c --- a/drivers/mmc/core/mmc.c~mmc-only-set-blockaddressed-for-2gib-cards +++ a/drivers/mmc/core/mmc.c @@ -234,7 +234,9 @@ static int mmc_read_ext_csd(struct mmc_c 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); } _ -- 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
