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From: Lee Jones <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Alessandro Rubini
	<rubini-kaDoWcXyVrEAvxtiuMwx3w@public.gmane.org>,
	Russell King - ARM Linux
	<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	linus.walleij-0IS4wlFg1OjSUeElwK9/Pw@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	STEricsson_nomadik_linux-nkJGhpqTU55BDgjK7y7TUQ@public.gmane.org,
	devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
Subject: Re: [PATCH 3/3] i2c: nomadik: Add Device Tree support to the Nomadik I2C driver
Date: Wed, 5 Sep 2012 07:41:07 +0100	[thread overview]
Message-ID: <20120905064106.GA4233@gmail.com> (raw)
In-Reply-To: <CACRpkdZESujO=2BU3jeKiX3Cm+JY2UPEXwGkro75FWa5Gio5YQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Tue, Sep 04, 2012 at 07:27:10PM +0200, Linus Walleij wrote:
> On Tue, Sep 4, 2012 at 4:28 PM, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org> wrote:
> 
> > In this particular case, we don't have a single board file providing a
> > struct nmk_i2c_controller definition for platform data, so the best way
> > to handle this IMHO is to remove the header file with the platform
> > data definition, and just encode the defaults in the driver.
> 
> Alessandro Rubini is actively working on bridging this (and
> other amba_device primecells) to PCI, that is the reason why it
> was recently converted to an amba_device. How is he then supposed to
> get the proper parameters into the driver? Note that the PCI ID
> is no help at all since the parameters depend on what is connected
> to the I2C bus, not on what it itself is connected to. Isn't platform data
> used in such cases?

So why can't Alessandro continue to use Platform Data in the normal way?

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  parent reply	other threads:[~2012-09-05  6:41 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1345734087-21803-1-git-send-email-lee.jones@linaro.org>
2012-08-23 15:01 ` [PATCH 3/3] i2c: nomadik: Add Device Tree support to the Nomadik I2C driver Lee Jones
     [not found]   ` <1345734087-21803-3-git-send-email-lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-08-27 23:42     ` Linus Walleij
     [not found]       ` <CACRpkdapY3JvZmLxK7dX917O-E+aDgVE9ELnysjqAyETXMZHNw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-08-31 10:36         ` Lee Jones
2012-08-31 11:22   ` Wolfram Sang
     [not found]     ` <20120831112258.GA2624-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-08-31 12:04       ` Lee Jones
2012-08-31 12:23       ` Lee Jones
     [not found]         ` <20120831122323.GC5962-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-09-03  9:22           ` Linus Walleij
     [not found]             ` <CACRpkdZ=C1EV4WO2b=1YLHPNhsDsQdq7Kfnpzm8i7uGRtVjJuQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-03  9:44               ` Wolfram Sang
     [not found]                 ` <20120903094448.GB11780-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-09-03  9:50                   ` Lee Jones
2012-09-03 10:07                 ` Lee Jones
     [not found]                   ` <20120903100656.GC5782-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-09-03 11:07                     ` Linus Walleij
2012-09-03 11:11                       ` Lee Jones
2012-09-03 11:32                       ` Lee Jones
     [not found]                         ` <CAF2Aj3j25w1Nn9O6hV+=i-j1ts_p_Ucswk_M7r04S7i5BzPkHg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-03 11:58                           ` Linus Walleij
     [not found]                             ` <CACRpkdZ5VFhrbONy=0K5MFh4e6BDFckq0yqzjQ2QkW9MgwKqBg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-03 12:34                               ` Lee Jones
     [not found]                                 ` <20120903123424.GA31163-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-09-03 13:19                                   ` Linus Walleij
     [not found]                                     ` <CACRpkdZvWkH2gQQuNvCkNuB-faT8qHAjyiULSqPKrn+FCktvLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-03 13:28                                       ` Lee Jones
2012-09-03 14:33                             ` Stephen Warren
     [not found]                               ` <5044BFD1.10708-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-09-03 14:35                                 ` Linus Walleij
     [not found]                                   ` <CACRpkda0akcLRe3J=fVcyYpxHmkJmVe+c1doXQ4=vOA6iNxe2g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-03 15:09                                     ` Rob Herring
2012-09-03 15:20                                       ` Lee Jones
     [not found]                                         ` <20120903152012.GH31163-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-09-04 14:28                                           ` Arnd Bergmann
     [not found]                                             ` <201209041428.21409.arnd-r2nGTMty4D4@public.gmane.org>
2012-09-04 17:27                                               ` Linus Walleij
     [not found]                                                 ` <CACRpkdZESujO=2BU3jeKiX3Cm+JY2UPEXwGkro75FWa5Gio5YQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-05  6:41                                                   ` Lee Jones [this message]
     [not found]                                                     ` <20120905064106.GA4233-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-09-05  6:53                                                       ` Linus Walleij
2012-09-04 17:35                                             ` Alessandro Rubini
2012-09-05  7:33       ` Lee Jones
2012-09-05  8:22         ` Linus Walleij

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