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mmc: don't read the size of eMMC enhanced user data area in SPL

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This information is only used by the "mmc info" command.
On ARM removing this information from SPL saves about 140 of code space.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
This commit is contained in:
Jean-Jacques Hiblot 2018-01-04 15:23:35 +01:00 committed by Jaehoon Chung
parent e6fa5a5461
commit 173c06dfcc
2 changed files with 4 additions and 0 deletions
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2
drivers/mmc/mmc.c
View File

@ -2028,6 +2028,7 @@ static int mmc_startup_v4(struct mmc *mmc)
mmc->capacity_gp[i] <<= 19;
}
#ifndef CONFIG_SPL_BUILD
if (part_completed) {
mmc->enh_user_size =
(ext_csd[EXT_CSD_ENH_SIZE_MULT + 2] << 16) +
@ -2044,6 +2045,7 @@ static int mmc_startup_v4(struct mmc *mmc)
if (mmc->high_capacity)
mmc->enh_user_start <<= 9;
}
#endif
/*
* Host needs to enable ERASE_GRP_DEF bit if device is

2
include/mmc.h
View File

@ -598,8 +598,10 @@ struct mmc {
u64 capacity_boot;
u64 capacity_rpmb;
u64 capacity_gp[4];
#ifndef CONFIG_SPL_BUILD
u64 enh_user_start;
u64 enh_user_size;
#endif
#if !CONFIG_IS_ENABLED(BLK)
struct blk_desc block_dev;
#endif