[U-Boot] [PATCH v2 8/9] mmc: don't read the size of eMMC enhanced user data area in SPL

Jean-Jacques Hiblot jjhiblot at ti.com
Thu Jan 4 14:23:35 UTC 2018


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 at ti.com>
---

Changes in v2: None

 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 3930aad..c1ba57f 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -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
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



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