AcoSail/kernel_optimize_test
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mmc: increase power up delay

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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>
This commit is contained in:
José M. Fernández 2009-03-10 02:21:21 +01:00 committed by Pierre Ossman
parent c60a32cd12
commit 79bccc5aef
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/core/core.c
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@ -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)