From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Hutchings <bhutchings-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
Subject: Re: [PATCH 07/19] timberdale: mfd_cell is now implicitly available
 to drivers
Date: Wed, 06 Apr 2011 19:07:08 +0100
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Cc: Greg KH <gregkh-l3A5Bk7waGM@public.gmane.org>, Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>,
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To: Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
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On Wed, 2011-04-06 at 19:51 +0200, Samuel Ortiz wrote:
> Hi Ben,
> 
> On Wed, Apr 06, 2011 at 06:16:49PM +0100, Ben Hutchings wrote:
> > > So, adding an MFD cell pointer to the device structure allows us to cleanly
> > > pass both pieces of information, while keeping all the MFD sub drivers
> > > independant from the MFD core if they want/can.
> > 
> > Why isn't an MFD the parent of its component devices?
> It actually is. How would that help here ?

I was thinking you could encode the component address in the
platform_device name (just as the bus address is the name of a normal
bus device).  That plus the parent device pointer would be sufficient
information to look up the mfd_cell.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.