[U-Boot] [U-BOOT][PATCH] mmc: remove the hard setting for tran_speed

Jaehoon Chung jh80.chung at samsung.com
Tue Mar 27 09:16:03 CEST 2012


mmc_set_clock is set to the hard-coding.
But i think good that use the tran_speed value.

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/mmc/mmc.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index e035012..cba96cf 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1124,9 +1124,9 @@ int mmc_startup(struct mmc *mmc)
 		}
 
 		if (mmc->card_caps & MMC_MODE_HS)
-			mmc_set_clock(mmc, 50000000);
+			mmc->tran_speed = 50000000;
 		else
-			mmc_set_clock(mmc, 25000000);
+			mmc->tran_speed = 25000000;
 	} else {
 		for (width = EXT_CSD_BUS_WIDTH_8; width >= 0; width--) {
 			/* Set the card to use 4 bit*/
@@ -1161,13 +1161,14 @@ int mmc_startup(struct mmc *mmc)
 
 		if (mmc->card_caps & MMC_MODE_HS) {
 			if (mmc->card_caps & MMC_MODE_HS_52MHz)
-				mmc_set_clock(mmc, 52000000);
+				mmc->tran_speed = 52000000;
 			else
-				mmc_set_clock(mmc, 26000000);
-		} else
-			mmc_set_clock(mmc, 20000000);
+				mmc->tran_speed = 26000000;
+		}
 	}
 
+	mmc_set_clock(mmc, mmc->tran_speed);
+
 	/* fill in device description */
 	mmc->block_dev.lun = 0;
 	mmc->block_dev.type = 0;
-- 
1.7.4.1


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