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x86/pci/intel_mid_pci: Use proper constants for irq polarity

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polarity = 0 means active high. Not really intuitive, so people add
comments to it instead of just using a self explaining constant.

Use the IOAPIC_POL_ constants and get rid of those horrible to read
tail comments.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Thomas Gleixner 2015-07-29 21:16:19 +02:00
parent 0abbdea1e9
commit 5054e1e639
1 changed files with 2 additions and 2 deletions
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4
arch/x86/pci/intel_mid_pci.c
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@ -220,7 +220,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev)
switch (intel_mid_identify_cpu()) {
case INTEL_MID_CPU_CHIP_TANGIER:
polarity = 0; /* active high */
polarity = IOAPIC_POL_HIGH;
/* Special treatment for IRQ0 */
if (dev->irq == 0) {
@ -235,7 +235,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev)
}
break;
default:
polarity = 1; /* active low */
polarity = IOAPIC_POL_LOW;
break;
}