diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 836e2ac36a0..16d7f939a74 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1220,7 +1220,9 @@ clock_set:
 			return;
 		}
 		timeout--;
-		mdelay(1);
+		spin_unlock_irq(&host->lock);
+		usleep_range(900, 1100);
+		spin_lock_irq(&host->lock);
 	}
 
 	clk |= SDHCI_CLOCK_CARD_EN;