diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-05-23 08:53:23 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-05-23 08:53:23 +0200 |
| commit | acf464817d5e7be9fb67aec4027dbee0ac9be17a (patch) | |
| tree | 39fd061c0a91a11d3ae4ff19b7fe179325e39bbf /arch/powerpc/sysdev/mpic.c | |
| parent | [POWERPC] Remove unnecessary cast in arch_deref_entry_point() (diff) | |
| parent | [POWERPC] iSeries: Remove unused mail address (diff) | |
| download | linux-acf464817d5e7be9fb67aec4027dbee0ac9be17a.tar.xz linux-acf464817d5e7be9fb67aec4027dbee0ac9be17a.zip | |
Merge branch 'merge' into powerpc-next
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 466e2183e86c..f99f81abbd5c 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1334,6 +1334,9 @@ 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]) & @@ -1349,23 +1352,6 @@ 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 |