Re: [ACPI] [PATCH/RFC 0/4]Bind physical devices with ACPI devices

From: Matthew Wilcox
Date: Mon Nov 08 2004 - 11:44:45 EST


On Mon, Nov 08, 2004 at 10:46:30PM +0800, Yu, Luming wrote:
> >All we need is an acpi_get_gendev_handle that takes a struct device and
> >returns the acpi_handle for it. Now, maybe that'd be best
> >done by placing
> >a pointer in the struct device, but I bet it'd be just as good to walk
> >the namespace looking for the corresponding device.
>
> It will fail if you just simply walk namespace to find out
> the corresponding acpi object, because there are NO
> hardware id or compatible id can be passed in.
> Please check function acpi_bus_match.

It doesn't need the HID or CID. Look at Shaohua's patches -- they don't
use HID or CID either.

--
"Next the statesmen will invent cheap lies, putting the blame upon
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince
himself that the war is just, and will thank God for the better sleep
he enjoys after this process of grotesque self-deception." -- Mark Twain
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