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>

2 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 422c577ef691..2913913f4a46 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -467,6 +467,9 @@ static int hpet_setup_irq(struct hpet_dev *dev)
         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;
 }
 
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index ed68a6f99dc2..4ee270d30358 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -3354,6 +3354,8 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc, int irq)
 #endif
                 set_irq_chip_and_handler_name(irq, &msi_chip, handle_edge_irq, "edge");
 
+        dev_printk(KERN_DEBUG, &dev->dev, "irq %d for MSI/MSI-X\n", irq);
+
         return 0;
 }
 
@@ -3586,6 +3588,7 @@ int arch_setup_hpet_msi(unsigned int irq)
         hpet_msi_write(irq, &msg);
         set_irq_chip_and_handler_name(irq, &hpet_msi_type, handle_edge_irq,
                 "edge");
+
         return 0;
 }
 #endif
@@ -3682,6 +3685,8 @@ int arch_setup_ht_irq(unsigned int irq, struct pci_dev *dev)
 
                 set_irq_chip_and_handler_name(irq, &ht_irq_chip,
                                               handle_edge_irq, "edge");
+
+                dev_printk(KERN_DEBUG, &dev->dev, "irq %d for HT\n", irq);
         }
         return err;
 }