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Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
-rw-r--r--arch/powerpc/sysdev/mpic.c20
1 files changed, 3 insertions, 17 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 8619f2a..7680001 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1331,6 +1331,9 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
unsigned long flags;
u32 reg;
+ if (!mpic)
+ return;
+
spin_lock_irqsave(&mpic_lock, flags);
if (is_ipi) {
reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
@@ -1346,23 +1349,6 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
spin_unlock_irqrestore(&mpic_lock, flags);
}
-unsigned int mpic_irq_get_priority(unsigned int irq)
-{
- unsigned int is_ipi;
- struct mpic *mpic = mpic_find(irq, &is_ipi);
- unsigned int src = mpic_irq_to_hw(irq);
- unsigned long flags;
- u32 reg;
-
- spin_lock_irqsave(&mpic_lock, flags);
- if (is_ipi)
- reg = mpic_ipi_read(src = mpic->ipi_vecs[0]);
- else
- reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
- spin_unlock_irqrestore(&mpic_lock, flags);
- return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT;
-}
-
void mpic_setup_this_cpu(void)
{
#ifdef CONFIG_SMP