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authorKevin Hilman <khilman@deeprootsystems.com>2010-01-29 14:20:06 -0800
committerTony Lindgren <tony@atomide.com>2010-02-03 08:48:06 -0800
commit74005a2b116203f618fe784d88ad7e6071bb1554 (patch)
tree0210bcebd2c7e248a8453978ecf0b6162c9b31af /arch
parent9af915da20bd405c232ebb93c3cb80c6d92a12f6 (diff)
downloadvexpress-lsk-74005a2b116203f618fe784d88ad7e6071bb1554.tar.gz
OMAP2/3: IRQ: ensure valid base address
Ensure valid base address during IRQ init. Fixes compiler warning about potential use of uninitialized variable. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/irq.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 27054025da2..26aeef560aa 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -194,7 +194,7 @@ void __init omap_init_irq(void)
int i;
for (i = 0; i < ARRAY_SIZE(irq_banks); i++) {
- unsigned long base;
+ unsigned long base = 0;
struct omap_irq_bank *bank = irq_banks + i;
if (cpu_is_omap24xx())
@@ -202,6 +202,8 @@ void __init omap_init_irq(void)
else if (cpu_is_omap34xx())
base = OMAP34XX_IC_BASE;
+ BUG_ON(!base);
+
/* Static mapping, never released */
bank->base_reg = ioremap(base, SZ_4K);
if (!bank->base_reg) {