genirq/manage: Add buslock back in to __disable_irq_nosync()

The locking was changed from a buslock to a plain lock, but the patch
description states there was no functional change. Assuming this was
accidental so reverting to using the buslock.

Fixes: 1b74444 ("genirq/manage: Rework __disable_irq_nosync()")
Signed-off-by: Charles Keepax <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: charleskeepax

kernel/irq/manage.c

@@ -659,7 +659,7 @@ void __disable_irq(struct irq_desc *desc)
 
 static int __disable_irq_nosync(unsigned int irq)
 {
-	scoped_irqdesc_get_and_lock(irq, IRQ_GET_DESC_CHECK_GLOBAL) {
+	scoped_irqdesc_get_and_buslock(irq, IRQ_GET_DESC_CHECK_GLOBAL) {
 		__disable_irq(scoped_irqdesc);
 		return 0;
 	}