linux-kernel - Re: Kernel Summit request for Discussion of future of ATA (libata) and IDE

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Message-ID: <58cb370e0808031319o748e570bo700873365ba22aa1@mail.gmail.com>
Date:	Sun, 3 Aug 2008 22:19:40 +0200
From:	"Bartlomiej Zolnierkiewicz" <bzolnier@...il.com>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>
Cc:	"James Bottomley" <James.Bottomley@...senpartnership.com>,
	ksummit-2008-discuss@...ts.linux-foundation.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide <linux-ide@...r.kernel.org>
Subject: Re: Kernel Summit request for Discussion of future of ATA (libata) and IDE

On Sun, Aug 3, 2008 at 9:17 PM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>> I don't envisage anything in terms of code changes (or removal) coming
>> out of this.  What I would like is a nice roadmap of where to start for
>> people contemplating writing IDE drivers.
>
> For the vendors I've talked with the answer is usually "both". A libata
> driver for the future and current distributions, and an old IDE driver
> for older RHEL and SLES releases. Fortunately the driver specific parts
> for those that are capable of running under old IDE are not too hard to
> plug into libata.

The contrary is also true, for modern drivers/ide conversion of libata PATA
driver to use drivers/ide should usually be a matter of an hour or two.

I think that the conversion of libata drivers for PATA hardware that is not
supported by drivers/ide currently should be doable by somebody knowing
both subsystems in less than 24h.  I'm not doing it only because it will make
me a maintainer of even more host drivers than currently and I don't have a
time for it.  I'll happily accept patches though.

Thanks,
Bart
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