Commit b3801ddc authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/chip: Rework irq_set_chip_data() 



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/20250429065421.532308759@linutronix.de
parent c836e5a7

kernel/irq/chip.c

+9 −12
Original line number Diff line number Diff line
@@ -123,15 +123,12 @@ int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry) 
 */

int irq_set_chip_data(unsigned int irq, void *data)

{

	unsigned long flags;

	struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);



	if (!desc)

		return -EINVAL;

	desc->irq_data.chip_data = data;

	irq_put_desc_unlock(desc, flags);

	scoped_irqdesc_get_and_lock(irq, 0) {

		scoped_irqdesc->irq_data.chip_data = data;

		return 0;

	}

	return -EINVAL;

}

EXPORT_SYMBOL(irq_set_chip_data);



struct irq_data *irq_get_irq_data(unsigned int irq)