linux-kernel - Re: [PATCH] ppc: fix #ifdef-s in mediabay driver

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Date:	Wed, 23 Jan 2008 13:47:38 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	benh@...nel.crashing.org
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: [PATCH] ppc: fix #ifdef-s in mediabay driver

On Wednesday 23 January 2008, Benjamin Herrenschmidt wrote:
> 
> On Wed, 2008-01-23 at 01:58 +0100, Bartlomiej Zolnierkiewicz wrote:
> > I'm more worried about breaking automatic build checking (make randconfig)
> > than a few extra bytes so if you remove all #ifdefs you'll have to either
> > make BLK_DEV_IDE_PMAC select PMAC_MEDIABAY or make PMAC_MEDIABAY depend
> > on BLK_DEV_IDE_PMAC (otherwise BLK_DEV_IDE=n && PMAC_MEDIABAY=y will fail
> > since mediabay.c is referencing IDE code).
> 
> I was thinking about having the pmac arch code provide an exported
> function pointer to put the hook in to avoid that problem.

BTW the other pending IDE patches (yet to posted) include rework of IDE
hot-plug support for PMAC media-bay so ide_init_hwif_ports()/ide_register_hw()
/ide_unregister() calls in mediabay.c will be replaced by "something else".
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