genirq: Remove pointless local variable

The variable is only used at one place, which can simply take the constant
as function argument.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Liangyan <liangyan.peng@bytedance.com>
Link: https://lore.kernel.org/all/20250718185311.884314473@linutronix.de

Author: KAGA-KOKO

kernel/irq/chip.c

@@ -466,13 +466,11 @@ static bool irq_check_poll(struct irq_desc *desc)
 
 static bool irq_can_handle_pm(struct irq_desc *desc)
 {
-	unsigned int mask = IRQD_IRQ_INPROGRESS | IRQD_WAKEUP_ARMED;
-
 	/*
 	 * If the interrupt is not in progress and is not an armed
 	 * wakeup interrupt, proceed.
 	 */
-	if (!irqd_has_set(&desc->irq_data, mask))
+	if (!irqd_has_set(&desc->irq_data, IRQD_IRQ_INPROGRESS | IRQD_WAKEUP_ARMED))
 		return true;
 
 	/*