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-rw-r--r--arch/arm/common/vic.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index 887c6eb3a18..6ed89836e90 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -229,14 +229,18 @@ static int vic_set_wake(unsigned int irq, unsigned int on)
{
struct vic_device *v = vic_from_irq(irq);
unsigned int off = irq & 31;
+ u32 bit = 1 << off;
if (!v)
return -EINVAL;
+ if (!(bit & v->resume_sources))
+ return -EINVAL;
+
if (on)
- v->resume_irqs |= 1 << off;
+ v->resume_irqs |= bit;
else
- v->resume_irqs &= ~(1 << off);
+ v->resume_irqs &= ~bit;
return 0;
}