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| author | José M. Fernández <josemariafg@gmail.com> | 2009-03-10 02:21:21 +0100 |
|---|---|---|
| committer | Pierre Ossman <pierre@ossman.eu> | 2009-05-03 22:11:31 +0200 |
| commit | 79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0 (patch) | |
| tree | 43d3527809af8a5f5f9e32c32cd06712b4f295ed /drivers/mmc/core | |
| parent | c60a32cd129b1c41f98888b03ba2904406bac8f8 (diff) | |
| download | linux-stable-79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0.tar.gz linux-stable-79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0.tar.bz2 linux-stable-79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0.zip | |
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>
Diffstat (limited to 'drivers/mmc/core')
| -rw-r--r-- | drivers/mmc/core/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index fa073ab3fa34..264911732756 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) |