diff options
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c7586739be1..f4066fdc890 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1057,6 +1057,13 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power) pwr |= SDHCI_POWER_ON; sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); + + /* + * Some controllers need an extra 10ms delay of 10ms before they + * can apply clock after applying power + */ + if ((host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER)) + mdelay(10); } /*****************************************************************************\ |