[PATCH 2/2] ARM: Fix MMC power management on Acer n30 / n35

Pinkava J. Jiri.Pinkava at vscht.cz
Mon May 24 21:22:00 EDT 2010


Exchange on and off state, MMC is working even if "powered off", but when comes
to write it causes random failures, most frequently zeroes first/all sector(s).

Signed-off-by: Jiri Pinkava <jiri.pinkava at vscht.cz>
---
 arch/arm/mach-s3c2410/mach-n30.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 41f299d..6c3456c 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -357,11 +357,11 @@ static void n30_sdi_set_power(unsigned char power_mode,
unsigned short vdd)
 	switch (power_mode) {
 	case MMC_POWER_ON:
 	case MMC_POWER_UP:
-		gpio_set_value(S3C2410_GPG(4), 1);
+		gpio_set_value(S3C2410_GPG(4), 0);
 		break;
 	case MMC_POWER_OFF:
 	default:
-		gpio_set_value(S3C2410_GPG(4), 0);
+		gpio_set_value(S3C2410_GPG(4), 1);
 		break;
 	}
 }
-- 
1.7.1



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