diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-11-17 16:46:45 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-12-14 23:55:33 +0100 |
| commit | 239007b8440abff689632f50cdf0f2b9e895b534 (patch) | |
| tree | 569cab843af4a999d6d868ec9a824530d2bfa733 /arch/powerpc/sysdev/uic.c | |
| parent | 9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (diff) | |
genirq: Convert irq_desc.lock to raw_spinlock
Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/sysdev/uic.c')
| -rw-r--r-- | arch/powerpc/sysdev/uic.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 7d10074b330..6f220a913e4 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -225,12 +225,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc) int src; int subvirq; - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); if (desc->status & IRQ_LEVEL) desc->chip->mask(virq); else desc->chip->mask_ack(virq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); msr = mfdcr(uic->dcrbase + UIC_MSR); if (!msr) /* spurious interrupt */ @@ -242,12 +242,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc) generic_handle_irq(subvirq); uic_irq_ret: - spin_lock(&desc->lock); + raw_spin_lock(&desc->lock); if (desc->status & IRQ_LEVEL) desc->chip->ack(virq); if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask) desc->chip->unmask(virq); - spin_unlock(&desc->lock); + raw_spin_unlock(&desc->lock); } static struct uic * __init uic_init_one(struct device_node *node) |