Re: [PATCH] Fix printing when no interrupt is allocated

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On Fri, 2012-10-19 at 08:33 +0800, Daniel J Blueman wrote:
> Previously a new line is implicitly added in the no GSI case:
> 
> [    7.185182] pci 0001:00:12.0: can't derive routing for PCI INT A
> [    7.191352] pci 0001:00:12.0: PCI INT A: no GSI
> [    7.195956]  - using ISA IRQ 10
> 
> The code thus prints a blank line where no legacy IRQ is available:
> 
> [    1.650124] pci 0000:00:14.0: can't derive routing for PCI INT A
> [    1.650126] pci 0000:00:14.0: PCI INT A: no GSI
> [    1.650126] 
> [    1.650180] pci 0000:00:14.0: can't derive routing for PCI INT A
> 
> Fix this by making the newline explicit and removing the superfluous
> one.


I think this is a better fix:

 drivers/acpi/pci_irq.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 0eefa12..9b98f9f 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -459,19 +459,20 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
 	 */
 	if (gsi < 0) {
 		u32 dev_gsi;
-		dev_warn(&dev->dev, "PCI INT %c: no GSI", pin_name(pin));
 		/* Interrupt Line values above 0xF are forbidden */
 		if (dev->irq > 0 && (dev->irq <= 0xF) &&
 		    (acpi_isa_irq_to_gsi(dev->irq, &dev_gsi) == 0)) {
-			printk(" - using ISA IRQ %d\n", dev->irq);
+			dev_warn(&dev->dev,
+				 "PCI INT %c: no GSI - using ISA IRQ %d\n",
+				 pin_name(pin), dev->irq);
 			acpi_register_gsi(&dev->dev, dev_gsi,
 					  ACPI_LEVEL_SENSITIVE,
 					  ACPI_ACTIVE_LOW);
-			return 0;
 		} else {
-			printk("\n");
-			return 0;
+			dev_warn(&dev->dev, "PCI INT %c: no GSI\n",
+				 pin_name(pin));
 		}
+		return 0;
 	}
 
 	rc = acpi_register_gsi(&dev->dev, gsi, triggering, polarity);


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