1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 3a5f6ac5b364..7a42966d755b 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -20,6 +20,7 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/protocol.h>
 
+#include <asm/div64.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/scatterlist.h>
@@ -70,6 +71,7 @@ static void mmci_stop_data(struct mmci_host *host)
 static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 {
         unsigned int datactrl, timeout, irqmask;
+        unsigned long long clks;
         void __iomem *base;
 
         DBG(host, "blksz %04x blks %04x flags %08x\n",
@@ -81,9 +83,10 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 
         mmci_init_sg(host, data);
 
-        timeout = data->timeout_clks +
-                  ((unsigned long long)data->timeout_ns * host->cclk) /
-                   1000000000ULL;
+        clks = (unsigned long long)data->timeout_ns * host->cclk;
+        do_div(clks, 1000000000UL);
+
+        timeout = data->timeout_clks + (unsigned int)clks;
 
         base = host->base;
         writel(timeout, base + MMCIDATATIMER);