diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 47096fd..744e520 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1523,7 +1523,7 @@
 	sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
 
 	/* Wait max 20 ms */
-	timeout = 20000;
+	timeout = 20;
 	while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL))
 		& SDHCI_CLOCK_INT_STABLE)) {
 		if (timeout == 0) {
@@ -1533,9 +1533,7 @@
 			return;
 		}
 		timeout--;
-		spin_unlock_irq(&host->lock);
 		usleep_range(900, 1100);
-		spin_lock_irq(&host->lock);
 	}
 
 	clk |= SDHCI_CLOCK_CARD_EN;