Commit fa870e0f authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/chip: Rework irq_set_irq_type() 



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

Fixup the kernel doc comment while at it.

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/20250429065421.355673840@linutronix.de
parent 46ff4d11

kernel/irq/chip.c

+6 −13
Original line number Diff line number Diff line
@@ -60,16 +60,9 @@ EXPORT_SYMBOL(irq_set_chip); 
 */

int irq_set_irq_type(unsigned int irq, unsigned int type)

{

	unsigned long flags;

	struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL);

	int ret = 0;



	if (!desc)

	scoped_irqdesc_get_and_buslock(irq, IRQ_GET_DESC_CHECK_GLOBAL)

		return __irq_set_trigger(scoped_irqdesc, type);

	return -EINVAL;



	ret = __irq_set_trigger(desc, type);

	irq_put_desc_busunlock(desc, flags);

	return ret;

}

EXPORT_SYMBOL(irq_set_irq_type);