On Sun, 24 Jun 2007 20:19:29 -0700
Auke Kok <[email protected]> wrote:
> Instead of all drivers reading pci config space to get the revision
> ID, they can now use the pci_device->revision member.
>
> This exposes some issues where drivers where reading a word or a dword
> for the revision number, and adding useless error-handling around the
> read. Some drivers even just read it for no purpose of all.
>
> In devices where the revision ID is being copied over and used in what
> appears to be the equivalent of hotpath, I have left the copy code
> and the cached copy as not to influence the driver's performance.
>
> Compile tested with make all{yes,mod}config on x86_64 and i386.
Ack the drivers/ata part but please split this up per subsystem and send
the chunks to the subsystem maintainers.
Alan
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