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genirq: Convert irq_desc.lock to raw_spinlock

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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>
This commit is contained in:
Thomas Gleixner
2009-11-17 16:46:45 +01:00
parent 9f5a5621e7
commit 239007b844
43 changed files with 240 additions and 240 deletions
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8
arch/powerpc/sysdev/uic.c
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@@ -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)