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authorDiego Santa Cruz <Diego.SantaCruz@spinetix.com>2014-12-23 10:50:24 +0100
committerPantelis Antoniou <pantelis.antoniou@konsulko.com>2015-01-19 17:02:29 +0200
commita4ff9f83f5f902717e87c05cf9d2d02b472d4257 (patch)
treebfb0730a055502f3a73fc89cc7d95071dc3fecb8 /drivers
parentbeb98a1496c1606f443d274c23cb97e831bf3a2e (diff)
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mmc: fix erase_grp_size computation with high-capacity size definition
The erase_grp_size in struct mmc is to be a size in 512-byte sectors but the code used to compute it for eMMC when EXT_CSD_ERASE_GROUP_DEF is enabled computed it as bytes, leading to erase sizes and alignment much larger than what is actually required by the mmc device. Signed-off-by: Diego Santa Cruz <Diego.SantaCruz@spinetix.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/mmc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index f07505f..be21101 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1068,8 +1068,7 @@ static int mmc_startup(struct mmc *mmc)
/* Read out group size from ext_csd */
mmc->erase_grp_size =
- ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] *
- MMC_MAX_BLOCK_LEN * 1024;
+ ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 1024;
/*
* if high capacity and partition setting completed
* SEC_COUNT is valid even if it is smaller than 2 GiB