diff options
Diffstat (limited to 'drivers/mmc/core/mmc.c')
-rw-r--r-- | drivers/mmc/core/mmc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 14e95f39a7b..7c6705202c9 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -253,8 +253,13 @@ static int mmc_read_ext_csd(struct mmc_card *card) ext_csd[EXT_CSD_SEC_CNT + 3] << 24; /* Cards with density > 2GiB are sector addressed */ - if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) + if (card->ext_csd.sectors > (2u * 1024 * 1024 * 1024) / 512) { + unsigned boot_sectors; + /* size is in 256K chunks, i.e. 512 sectors each */ + boot_sectors = ext_csd[EXT_CSD_BOOT_SIZE_MULTI] * 512; + card->ext_csd.sectors -= boot_sectors; mmc_card_set_blockaddr(card); + } } switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) { |