1 files changed, 2 insertions, 1 deletions

diff --git a/arch/arm/plat-omap/timer32k.c b/arch/arm/plat-omap/timer32k.c
index b2a943bf11ef..3461a6c9665c 100644
--- a/arch/arm/plat-omap/timer32k.c
+++ b/arch/arm/plat-omap/timer32k.c
@@ -210,7 +210,8 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
 
         now = omap_32k_sync_timer_read();
 
-        while (now - omap_32k_last_tick >= OMAP_32K_TICKS_PER_HZ) {
+        while ((signed long)(now - omap_32k_last_tick)
+                                                >= OMAP_32K_TICKS_PER_HZ) {
                 omap_32k_last_tick += OMAP_32K_TICKS_PER_HZ;
                 timer_tick(regs);
         }