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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-07 08:07:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-07 08:07:35 +0200 |
| commit | d763d5edf945eec47bd443b699f174976f0afc13 (patch) | |
| tree | 3e5cd46b9a783999716bf92176854f4f1215d930 /arch/powerpc/sysdev/mpic.c | |
| parent | 790e2a290b499b0400254e6870ec27969065d122 (diff) | |
| parent | 1b40a895df6c7d5a80e71f65674060b03d84bbef (diff) | |
| download | kernel-crypto-d763d5edf945eec47bd443b699f174976f0afc13.tar.gz kernel-crypto-d763d5edf945eec47bd443b699f174976f0afc13.tar.xz kernel-crypto-d763d5edf945eec47bd443b699f174976f0afc13.zip | |
Merge branch 'linus' into tracing/mmiotrace
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 8619f2a3f1f..7680001676a 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 |