Commit 1b744444 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/manage: Rework __disable_irq_nosync() 



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

No functional change.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/all/20250429065422.013088277@linutronix.de
parent 55ac0ad2

kernel/irq/manage.c

+5 −8
Original line number Diff line number Diff line
@@ -659,15 +659,12 @@ 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);

	scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_GLOBAL) {

		__disable_irq(scoped_irqdesc);

		return 0;

	}

	return -EINVAL;

}



/**

 * disable_irq_nosync - disable an irq without waiting