[U-Boot] [PATCH v1 09/10] mmc: don't read the size of eMMC enhanced user data area in SPL

Jean-Jacques Hiblot
2017-12-21T11:53:55Z

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>
---

drivers/mmc/mmc.c | 2 ++
include/mmc.h | 2 ++
2 files changed, 4 insertions(+)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 531c098..64c7479 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -2010,6 +2010,7 @@ 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) +
@@ -2026,6 +2027,7 @@ 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
diff --git a/include/mmc.h b/include/mmc.h
index 3abeb58..cd068b9 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -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
--
1.9.1