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genirq/manage: Rework __disable_irq_nosync()

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Use the new guards to get and lock the interrupt descriptor and tidy up the
code.

No functional change.

Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lore.kernel.org/all/[email protected]
This commit is contained in:
Thomas Gleixner committed 2025-05-07 09:08:15 +02:00
1 parent 55ac0ad22f
commit 1b74444467
1 file changed
+5 -8
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kernel/irq/manage.c
+5 -8
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@@ -659,14 +659,11 @@ void __disable_irq(struct irq_desc *desc)
static int __disable_irq_nosync(unsigned int irq)
{
unsigned long flags;
struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL);
if (!desc)
return -EINVAL;
__disable_irq(desc);
irq_put_desc_busunlock(desc, flags);
return 0;
scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_GLOBAL) {
__disable_irq(scoped_irqdesc);
return 0;
}
return -EINVAL;
}
/**