[ARM] More sparse fixes

arch/arm/kernel/irq.c:998:26: warning: Using plain integer as NULL pointer
arch/arm/kernel/smp.c:145:25: warning: Using plain integer as NULL pointer
arch/arm/kernel/smp.c:362:5: warning: symbol 'smp_call_function_on_cpu' was not declared. Should it be static?
drivers/video/amba-clcd.c:521:12: warning: symbol 'amba_clcdfb_init' was not declared. Should it be static?

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index 467a1d7ebbde..a3c2c45e29e0 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -518,7 +518,7 @@ static struct amba_driver clcd_driver = {
         .id_table       = clcdfb_id_table,
 };
 
-int __init amba_clcdfb_init(void)
+static int __init amba_clcdfb_init(void)
 {
         if (fb_get_options("ambafb", NULL))
                 return -ENODEV;