Re: [ACPI] [PATCH] VIA IRQ quirk for 2.6.12-rc5

[Alan Cox]

On Gwe, 2005-05-27 at 09:21, Len Brown wrote:
> Delete quirk_via_bridge(), restore quirk_via_irqpic() --
> but now improved to be invoked upon device ENABLE, and
> now only for VIA devices -- not all devices behind VIA bridges.

Properly you should apply the fixup to all VBUS devices. I've not seen a
clean way to identify which devices fall into that category but there
are public 
data sheets for many of the chips.

> +		printk(KERN_INFO "PCI: Via PIC IRQ fixup for %s, from %d to %d\n",
> +			pci_name(dev), irq, new_irq);
> +		udelay(15);	/* unknown if delay really needed */
> +		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);

It isn't

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