Messages in this thread | | | Date | Sat, 17 Aug 2002 23:59:42 +0200 | From | Vojtech Pavlik <> | Subject | Re: IDE? |
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On Sat, Aug 17, 2002 at 09:22:39AM +0100, Russell King wrote:
> On Fri, Aug 16, 2002 at 06:35:29PM -0700, Linus Torvalds wrote: > > And then in five years, in Linux-3.2, we might finally just drop support > > for the old IDE code with PIO etc. Inevitably some people will still use > > it (the same way some people still use Linux-2.0 with hd.c), but it won't > > have been in the way for making a cleaner driver in the meantime. > > I think you're being too ""mainstream" orientated" here. Let's look > at something called PCMCIA. PCMCIA CF cards. They're IDE devices > that only do PIO. > > The majority of ARM platforms being actively produced today provide a > PCMCIA or CF (_not_ cardbus) socket. Neither PCI nor Cardbus makes any > sense in these machines. Why? Because they're not your average power > hungry desktop box that's always plugged into the mains supply. > > I think we're going to have PIO mode IDE around for a fair (ten at > least?) number of years yet.
We'll need PIO for control commands anyways, but the thing is that we won't need to speed optimize PIO and will be able to kill multi-sector PIO completely probably.
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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