[U-Boot] [PATCH] mmc: set rca to 1 for MMC cards

Stephen Warren swarren at wwwdotorg.org
Fri Jan 31 00:11:12 CET 2014


From: Stephen Warren <swarren at nvidia.com>

U-Boot currently sets MMC cards' RCA register to 0. This value is
reserved according to the specification. Use a value of 1 instead, just
like the Linux kernel.

Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
 drivers/mmc/mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index c6a1c23fbf1c..7efc2bedbe11 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -430,7 +430,7 @@ int mmc_complete_op_cond(struct mmc *mmc)
 	mmc->ocr = cmd.response[0];
 
 	mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS);
-	mmc->rca = 0;
+	mmc->rca = 1;
 
 	return 0;
 }
-- 
1.8.1.5



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