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authorJosé M. Fernández <josemariafg@gmail.com>2009-03-10 02:21:21 +0100
committerPierre Ossman <pierre@ossman.eu>2009-05-03 22:11:31 +0200
commit79bccc5aefb4e64e651abe04f78c3e6bf8acd6f0 (patch)
tree43d3527809af8a5f5f9e32c32cd06712b4f295ed /drivers
parentc60a32cd129b1c41f98888b03ba2904406bac8f8 (diff)
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')
-rw-r--r--drivers/mmc/core/core.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index fa073ab3fa3..26491173275 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)