Re: [patch 2/4] i386/x86-64: Implement fallback for PCI mmconfig to type1

From: Matthew Wilcox
Date: Mon Dec 12 2005 - 15:25:59 EST


On Mon, Dec 12, 2005 at 12:01:23PM -0800, Greg Kroah-Hartman wrote:
> When there is no entry for a bus in MCFG fall back to type1. This is
> especially important on K8 systems where always some devices can't be
> accessed using mmconfig (in particular the builtin northbridge doesn't
> support it for its own devices)
[...]
> -static int pci_conf1_read(unsigned int seg, unsigned int bus,
> +int pci_conf1_read(unsigned int seg, unsigned int bus,

I don't like this at all. We already have a mechanism to use different
accessors per-bus (bus->ops->read()); calling the type1 accessors from
the mmconfig accessors just seems wrong.

> + if (!base)
> + return pci_conf1_read(seg,bus,devfn,reg,len,value);

Should be space after commas.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/