linux-kernel - [PATCH] x86: print out irq nr for msi/ht v3

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Date:	Thu, 25 Sep 2008 11:53:11 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Bjorn Helgaas <bjorn.helgaas@...com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	Yinghai Lu <yhlu.kernel@...il.com>
Subject: [PATCH] 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@...il.com>

---
 arch/x86/kernel/hpet.c    |    3 +++
 arch/x86/kernel/io_apic.c |    5 +++++
 2 files changed, 8 insertions(+)

Index: linux-2.6/arch/x86/kernel/io_apic.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/io_apic.c
+++ linux-2.6/arch/x86/kernel/io_apic.c
@@ -3348,6 +3348,8 @@ static int setup_msi_irq(struct pci_dev
 #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;
 }
 
@@ -3580,6 +3582,7 @@ 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
@@ -3676,6 +3679,8 @@ int arch_setup_ht_irq(unsigned int irq,
 
 		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;
 }
Index: linux-2.6/arch/x86/kernel/hpet.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/hpet.c
+++ linux-2.6/arch/x86/kernel/hpet.c
@@ -467,6 +467,9 @@ static int hpet_setup_irq(struct hpet_de
 	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;
 }
 
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