soc: dove: Convert generic irqchip locking to guard()

Conversion was done with Coccinelle. No functional change.

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/all/[email protected]

Author: KAGA-KOKO

drivers/soc/dove/pmu.c

@@ -257,10 +257,9 @@ static void pmu_irq_handler(struct irq_desc *desc)
 	 * So, let's structure the code so that the window is as small as
 	 * possible.
 	 */
-	irq_gc_lock(gc);
+	guard(raw_spinlock)(&gc->lock);
 	done &= readl_relaxed(base + PMC_IRQ_CAUSE);
 	writel_relaxed(done, base + PMC_IRQ_CAUSE);
-	irq_gc_unlock(gc);
 }
 
 static int __init dove_init_pmu_irq(struct pmu_data *pmu, int irq)