x86: print out irq nr for msi/ht, v3

v2: fix hpet compiling error
v3: Bjorn want to use dev_printk instead

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 422c577..2913913 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -467,6 +467,9 @@
 	irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu));
 	enable_irq(dev->irq);
 
+	printk(KERN_DEBUG "hpet: %s irq %d for MSI\n",
+			 dev->name, dev->irq);
+
 	return 0;
 }