kernel/irq/manage.c: use the pr_foo() infrastructure to prefix printks

Use the module-wide pr_fmt() mechanism rather than open-coding "genirq: "
everywhere.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

kernel/irq/manage.c

@@ -7,6 +7,8 @@
  * This file contains driver APIs to the irq subsystem.
  */
 
+#define pr_fmt(fmt) "genirq: " fmt
+
 #include <linux/irq.h>
 #include <linux/kthread.h>
 #include <linux/module.h>
@@ -565,7 +567,7 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
 		 * IRQF_TRIGGER_* but the PIC does not support multiple
 		 * flow-types?
 		 */
-		pr_debug("genirq: No set_type function for IRQ %d (%s)\n", irq,
+		pr_debug("No set_type function for IRQ %d (%s)\n", irq,
 			 chip ? (chip->name ? : "unknown") : "unknown");
 		return 0;
 	}
@@ -600,7 +602,7 @@ int __irq_set_trigger(struct irq_desc *desc, unsigned int irq,
 		ret = 0;
 		break;
 	default:
-		pr_err("genirq: Setting trigger mode %lu for irq %u failed (%pF)\n",
+		pr_err("Setting trigger mode %lu for irq %u failed (%pF)\n",
 		       flags, irq, chip->irq_set_type);
 	}
 	if (unmask)
@@ -837,7 +839,7 @@ void exit_irq_thread(void)
 
 	action = kthread_data(tsk);
 
-	pr_err("genirq: exiting task \"%s\" (%d) is an active IRQ thread (irq %d)\n",
+	pr_err("exiting task \"%s\" (%d) is an active IRQ thread (irq %d)\n",
 	       tsk->comm ? tsk->comm : "", tsk->pid, action->irq);
 
 	desc = irq_to_desc(action->irq);
@@ -1044,7 +1046,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
 		 * has. The type flags are unreliable as the
 		 * underlying chip implementation can override them.
 		 */
-		pr_err("genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq %d\n",
+		pr_err("Threaded irq requested with handler=NULL and !ONESHOT for irq %d\n",
 		       irq);
 		ret = -EINVAL;
 		goto out_mask;
@@ -1095,7 +1097,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
 
 		if (nmsk != omsk)
 			/* hope the handler works with current  trigger mode */
-			pr_warning("genirq: irq %d uses trigger mode %u; requested %u\n",
+			pr_warning("irq %d uses trigger mode %u; requested %u\n",
 				   irq, nmsk, omsk);
 	}
 
@@ -1133,7 +1135,7 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
 
 mismatch:
 	if (!(new->flags & IRQF_PROBE_SHARED)) {
-		pr_err("genirq: Flags mismatch irq %d. %08x (%s) vs. %08x (%s)\n",
+		pr_err("Flags mismatch irq %d. %08x (%s) vs. %08x (%s)\n",
 		       irq, new->flags, new->name, old->flags, old->name);
 #ifdef CONFIG_DEBUG_SHIRQ
 		dump_stack();