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