linux-kernel - Re: [2.6 patch] ARM: always select HAVE

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Date:	Thu, 17 Apr 2008 12:00:05 +0100
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Sam Ravnborg <sam@...nborg.org>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pcmcia@...ts.infradead.org
Subject: Re: [2.6 patch] ARM: always select HAVE_IDE

On Thu, Apr 17, 2008 at 01:48:36PM +0300, Adrian Bunk wrote:
> On Thu, Apr 17, 2008 at 10:59:16AM +0100, Russell King wrote:
> > On Thu, Apr 17, 2008 at 12:37:53PM +0300, Adrian Bunk wrote:
> > > Any objections against the patch below?
> > 
> > Let's look at the rest of the situation surrounding HAVE_IDE first.
> > It's something of a mess:
> > 
> > avr32, m68knommu, ppc, s390 and v850 do not have asm/ide.h
> > 
> > avr32, m68knommu, ppc, v850 all set HAVE_IDE, arch/s390/Kconfig contains
> > no reference.
> > 
> > avr32 supports PATA (which is IDE).
> > 
> > Everything else provides an asm/ide.h and sets HAVE_IDE.
> > 
> > So:
> > 
> > Q1. Do avr32, m68knommu, ppc, v850 have IDE support or do they not?
> 
> avr32 is fixed in 2.6.25 (no more HAVE_IDE)

avr32 has ATA, so the only reason it doesn't actually use IDE is because
they're using libata entirely.  This is NO different from the situation
on ARM - some machine classes use entirely libata, others use IDE, and
some others are trying to give up IDE in favour of libata.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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