diff options
| -rw-r--r-- | drivers/mmc/core/core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a78af65996f..e473446073e 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1211,6 +1211,13 @@ void mmc_power_off(struct mmc_host *host) host->ios.timing = MMC_TIMING_LEGACY; mmc_set_ios(host); + /* + * Some configurations, such as the 802.11 SDIO card in the OLPC + * XO-1.5, require a short delay after poweroff before the card + * can be successfully turned on again. + */ + mmc_delay(1); + mmc_host_clk_release(host); } |