From: José M. Fernández <josemariafg@gmail.com>
Date: Tue, 10 Mar 2009 01:21:21 +0000 (+0100)
Subject: mmc: increase power up delay
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=79bccc5aefb4;p=linux.git

mmc: increase power up delay

The TI controller on Toshiba Tecra M5 needs more time to power up or
the cards will init incorrectly or not at all.

Signed-off-by: José M. Fernández <josemariafg@gmail.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
---

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index fa073ab3fa34f..2649117327561 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host)
 	 * This delay should be sufficient to allow the power supply
 	 * to reach the minimum voltage.
 	 */
-	mmc_delay(2);
+	mmc_delay(10);
 
 	host->ios.clock = host->f_min;
 	host->ios.power_mode = MMC_POWER_ON;
@@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host)
 	 * This delay must be at least 74 clock sizes, or 1 ms, or the
 	 * time required to reach a stable voltage.
 	 */
-	mmc_delay(2);
+	mmc_delay(10);
 }
 
 static void mmc_power_off(struct mmc_host *host)