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-rw-r--r--drivers/mmc/core/core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 557856b6f95c..7289e999d1fc 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1214,6 +1214,13 @@ static 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);
}