On Sun, 30 Dec 2007 19:14:40 +0100 Rene Herman <[EMAIL PROTECTED]> wrote:
> On 30-12-07 17:48, Alan Cox wrote: > > > For processors with TSC I think we should aim for 2.6.25 to do this and > > to have the major other _p fixups done. I pity whoever does stuff like > > the scc drivers but most of the rest isn't too bad. > > I'm by the way looking at drivers/net/wd.c which my 386 uses for its dual > mode NE2000/WD8013 clone ISA NIC and while it specifically needs no delay at > all it seems, the mixed use of out and outb_p seems to suggest that someone > once thought about that. Would you advice sticking in a udelay(2) manually > there? I would need to dig out the documentation and NE2000 reference code if I even still have them. From memory NE2K needs them but I don't know offhand if the WD80x3 devices do, or if only some of them do. It'll also depend on the port - the DPRAM is different to the 8390. Don Becker wrote the drivers and at the time he tuned them carefully for performance so I would expect delays to be the ones needed 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/