linux-kernel - Re: [PATCH 2/2] [POWERPC] MPC8349E-mITX: use platform IDE driver for CF interface

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Message-Id: <6546254b267f6d7df93d8df27c6dcfb4@kernel.crashing.org>
Date:	Mon, 6 Aug 2007 19:19:56 +0200
From:	Segher Boessenkool <segher@...nel.crashing.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org,
	Sergei Shtylyov <sshtylyov@...mvista.com>,
	linux-ide@...r.kernel.org, linuxppc-dev@...abs.org,
	Vitaly Bordug <vitb@...nel.crashing.org>
Subject: Re: [PATCH 2/2] [POWERPC] MPC8349E-mITX: use platform IDE driver for CF	interface

>> The hardware is called (E)IDE, the protocol is called ATA.
>> Or that's what I was told -- I think there's some historic
>> revisionism involved, too.
>
> ATA is the interface and standards for the ANSI standards based disk
> attachment. IDE "Integrated Drive Electronics" is a marketing name used
> to cover all sorts of ST412 compatible-ish early interfaces that moved
> the brains onto the disk. IDE doesn't really mean much but "brains on
> disk", ATA is a real standard.

Thanks for refreshing my memory.

We will have to support both names in OF device tree nodes, since
both names are used in many existing device trees.  For new nodes
with no precedent, like this "mmio-ide", let's require the more
correct "ata" name.


Segher

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