Re: [PATCH] Don't touch USB controllers with MMIO disabled in quirks

[David Brownell]

On Monday 31 October 2005 8:03 pm, Paul Mackerras wrote:

>  static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
>  {
> +	u16 cmd;
> +
> +	if (pci_read_config_word(pdev, PCI_COMMAND, &cmd) ||
> +	    (cmd & PCI_COMMAND_MEMORY) == 0)

I suspect that should be

	(tabs)	|| (cmd & (PCI_COMMAND_MEMORY|PCI_COMMAND_IO)) == 0

Admittedly that'll matter only for UHCI, which isn't much used out of
x86 and ia64 ... but testing for both is more correct.  Other than that,
this looks good to me.

- Dave


> +		return;
>  	if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI)
>  		quirk_usb_handoff_uhci(pdev);
>  	else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI)
> 
-
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