From b86b85e2611d57d834795a92453431a1a340c3c9 Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Mon, 29 Jun 2009 17:53:16 +0400
Subject: mmc: set bus width to 1 and clock to minimum early during
 initialization

We need to switch back to 1-bit before initialization or SD 2.0 cards
will fail to send SCR if we've switched to 4-bit already.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8c736ce..b69ce15 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -859,6 +859,9 @@ int mmc_init(struct mmc *mmc)
 	if (err)
 		return err;
 
+	mmc_set_bus_width(mmc, 1);
+	mmc_set_clock(mmc, 1);
+
 	/* Reset the Card */
 	err = mmc_go_idle(mmc);
 
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