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PCI: Provide a default pcibios_update_irq()

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Most architectures implement this in exactly the same way. Instead of
having each architecture duplicate this function, provide a single
implementation in the core and make it a weak symbol so that it can be
overridden on architectures where it is required.

Signed-off-by: Thierry Reding <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
This commit is contained in:
Thierry Reding 2012-09-17 13:22:54 +02:00 • committed by Bjorn Helgaas
commit 8885b7b637
14 changed files with 5 additions and 89 deletions
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5
drivers/pci/setup-irq.c
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@ -17,6 +17,11 @@
#include <linux/ioport.h>
#include <linux/cache.h>
void __weak pcibios_update_irq(struct pci_dev *dev, int irq)
{
dev_dbg(&dev->dev, "assigning IRQ %02d\n", irq);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
}
static void
pdev_fixup_irq(struct pci_dev *dev,