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From: Grant Likely <grant.likely@secretlab.ca>
To: Ben Gamari <bgamari.foss@gmail.com>
Cc: linux-omap <linux-omap@vger.kernel.org>, spi-devel-general@lists.sf.net
Subject: Re: GPIO chip select support in McSPI
Date: Mon, 14 Mar 2011 21:29:51 -0600	[thread overview]
Message-ID: <20110315032951.GA5600@angua.secretlab.ca> (raw)
In-Reply-To: <877hc1t95k.fsf@gmail.com>

On Mon, Mar 14, 2011 at 10:22:31PM -0400, Ben Gamari wrote:
> On Mon, 14 Mar 2011 13:25:36 -0600, Grant Likely <grant.likely@secretlab.ca> wrote:
> > I see two solutions:
> > 1) platform code registers a bus notifier so that it gets called back
> > before the device gets bound to a driver.  Then it can augment the
> > platform data.
> > 
> This sounds like it might be a bit involved and I'm not terribly
> familiar with these facets of the driver model. This would probably be
> the more flexible approach but I think I'll stick with the simpler
> option.
> 
> > 2) add an api to arch/arm/mach-omap2/devices.c for providing a cs
> > table before the device gets registered (must be called before
> > arch_initcall() time).
> > 
> This is along the lines of what I was thinking. Any thoughts on how to
> get function called before arch_initcall()?

You can call it from .init_machine()

g.

> 
> - Ben

      reply	other threads:[~2011-03-15  3:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <c0ffcf4415b8edbf55d653a620b92fbbbcd8fed7>
     [not found] ` <1297635034-24504-1-git-send-email-bgamari.foss@gmail.com>
     [not found]   ` <20110302215026.GA22854@angua.secretlab.ca>
     [not found]     ` <87sjv517yd.fsf@gmail.com>
     [not found]       ` <f7a269db-3bcf-4bac-8c38-b363e5c7bd0b@email.android.com>
2011-03-13 19:04         ` GPIO chip select support in McSPI Ben Gamari
2011-03-13 19:05           ` [PATCH] mcspi: Add support for GPIO chip select lines Ben Gamari
2011-03-14 19:27             ` Grant Likely
2011-03-15  2:06               ` Ben Gamari
2011-03-15  2:10                 ` Grant Likely
2011-03-14 19:25           ` GPIO chip select support in McSPI Grant Likely
2011-03-15  2:22             ` Ben Gamari
2011-03-15  3:29               ` Grant Likely [this message]

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