atmel_lcdfb: change irq_base definition to allow error reporting

Changed because old the definition of unsigned long cannot be negative.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reported-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/video/atmel_lcdc.h b/include/video/atmel_lcdc.h
index 6ad87f485992..0c864db1a466 100644
--- a/include/video/atmel_lcdc.h
+++ b/include/video/atmel_lcdc.h
@@ -38,7 +38,7 @@ struct atmel_lcdfb_info {
         spinlock_t              lock;
         struct fb_info          *info;
         void __iomem            *mmio;
-        unsigned long           irq_base;
+        int                     irq_base;
         struct work_struct      task;
 
         unsigned int            guard_time;