[U-Boot] [PATCH 1/4] SD1.00 wide-bus fix

Alagu Sankar alagusankar at embwise.com
Wed May 12 11:38:24 CEST 2010


Fixed a bug wherein SD version 1.0 cards were not configured for 4-bit mode

Signed-off-by: Alagu Sankar <alagusankar at embwise.com>
---
 drivers/mmc/mmc.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index cf4ea16..959d8ad 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -520,6 +520,9 @@ retry_scr:
 			break;
 	}
 
+	if (mmc->scr[0] & SD_DATA_4BIT)
+		mmc->card_caps |= MMC_MODE_4BIT;
+
 	/* Version 1.0 doesn't support switching */
 	if (mmc->version == SD_VERSION_1_0)
 		return 0;
@@ -537,9 +540,6 @@ retry_scr:
 			break;
 	}
 
-	if (mmc->scr[0] & SD_DATA_4BIT)
-		mmc->card_caps |= MMC_MODE_4BIT;
-
 	/* If high-speed isn't supported, we return */
 	if (!(__be32_to_cpu(switch_status[3]) & SD_HIGHSPEED_SUPPORTED))
 		return 0;
-- 
1.6.0.6



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