From 500f35648e5ebd04be00f974738a9db959a892b8 Mon Sep 17 00:00:00 2001
From: Balaji Rao <balajirrao@openmoko.org>
Date: Tue, 22 Sep 2009 16:44:18 -0700
Subject: [PATCH] mmc: in mmc_power_up(), use previously selected ocr if
available
When mmc_power_up is called during unsafe resume, host->ocr should be used
instead of host->ocr_avail.
Signed-off-by: Balaji Rao <balajirrao@openmoko.org>
Cc: Andy Green <andy@openmoko.com>
Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>
Cc: Ian Molton <ian@mnementh.co.uk>
Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com>
Cc: Philip Langdale <philipl@overt.org>
Acked-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/mmc/core/core.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index d84c880fac84f..e22d2b5576ec1 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -687,7 +687,13 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing)
*/
static void mmc_power_up(struct mmc_host *host)
{
- int bit = fls(host->ocr_avail) - 1;
+ int bit;
+
+ /* If ocr is set, we use it */
+ if (host->ocr)
+ bit = ffs(host->ocr) - 1;
+ else
+ bit = fls(host->ocr_avail) - 1;
host->ios.vdd = bit;
if (mmc_host_is_spi(host)) {
--
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