1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index a2828222709c..c6d2dd7317c1 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -12,6 +12,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/spinlock.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
@@ -312,7 +313,14 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
 
         sdhci_s3c_set_clock(host, clock);
 
+        /* Reset SD Clock Enable */
+        clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
+        clk &= ~SDHCI_CLOCK_CARD_EN;
+        sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
+
+        spin_unlock_irq(&host->lock);
         ret = clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock);
+        spin_lock_irq(&host->lock);
         if (ret != 0) {
                 dev_err(dev, "%s: failed to set clock rate %uHz\n",
                         mmc_hostname(host->mmc), clock);