linux-kernel - Re: [PATCH v2] pcmcia: CompactFlash driver for PA Semi Electra boards

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Date:	Mon, 25 Jun 2007 15:43:41 -0500
From:	olof@...om.net (Olof Johansson)
To:	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, linux-pcmcia@...ts.infradead.org,
	linuxppc-dev@...abs.org, Russell King <rmk+lkml@....linux.org.uk>
Subject: Re: [PATCH v2] pcmcia: CompactFlash driver for PA Semi Electra boards

On Mon, Jun 25, 2007 at 08:39:09PM +0100, Christoph Hellwig wrote:
> On Mon, Jun 25, 2007 at 12:12:21PM -0500, Olof Johansson wrote:
> > Driver for the CompactFlash slot on the PA Semi Electra eval board. It's
> > a simple device sitting on localbus, with interrupts and detect/voltage
> > control over GPIO.
> > 
> > The driver is implemented as an of_platform driver, and adds localbus
> > as a bus being probed by the of_platform framework.
> 
> Looks good to me. The only odd thing is the inconsistant use of
> #ifdef CONFIG_PCMCIA in setup.c.

Thanks, and thanks for the review.

The ifdef is needed since for CONFIG_PCMCIA=n builds, the bus notifier
isn't available. I wanted to do the bus notifier registration explicitly
before the of_platform bus probe to avoid later surprises due to reordered
initcalls in case it was split up in it's own initcall.

I could add the code under ifdef as well, but it didn't seem too
critical. Once the second major board comes along I'll probably move it
out to a per-board file, there's no real need for it just yet.

-Olof

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