omapfb/dss: wait_for_completion_interruptible_timeout expects long

wait_for_completion_timeout_interruptible returns long not unsigned long.
an appropriately typed variable is introduced and assignments fixed up.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c
index 3691bde4ce0a..a864608c5df1 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c
@@ -644,6 +644,7 @@ int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
 {
 
         int r;
+        long time_left;
         DECLARE_COMPLETION_ONSTACK(completion);
 
         r = omap_dispc_register_isr(dispc_irq_wait_handler, &completion,
@@ -652,15 +653,15 @@ int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
         if (r)
                 return r;
 
-        timeout = wait_for_completion_interruptible_timeout(&completion,
+        time_left = wait_for_completion_interruptible_timeout(&completion,
                         timeout);
 
         omap_dispc_unregister_isr(dispc_irq_wait_handler, &completion, irqmask);
 
-        if (timeout == 0)
+        if (time_left == 0)
                 return -ETIMEDOUT;
 
-        if (timeout == -ERESTARTSYS)
+        if (time_left == -ERESTARTSYS)
                 return -ERESTARTSYS;
 
         return 0;