linux-kernel - Re: [PATCH 03/16] ARM: ep93xx: move platform

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Date:	Tue, 11 Sep 2012 17:16:27 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	H Hartley Sweeten <hartleys@...ionengravers.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...retlab.ca>,
	Ryan Mallon <rmallon@...il.com>,
	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Mika Westerberg <mika.westerberg@....fi>,
	Axel Lin <axel.lin@...il.com>
Subject: Re: [PATCH 03/16] ARM: ep93xx: move platform_data definitions

On Tuesday 11 September 2012, H Hartley Sweeten wrote:
> Arnd,
> 
> What about gpio-ep93xx.h? It does not have any platform_data in
> it but the gpio driver (driver/gpio/gpio-ep93xx.c) does include it
> from the mach-* directory.

There are actually four such headers for ep93xx:

* mach/ep93xx-regs.h
  sound/soc/ep93xx/ep93xx-i2s.c
  sound/soc/ep93xx/ep93xx-pcm.c

* mach/gpio-ep93xx.h
  drivers/gpio/gpio-ep93xx.c

* mach/hardware.h
  drivers/gpio/gpio-ep93xx.c
  drivers/input/keyboard/ep93xx_keypad.c
  drivers/net/ethernet/cirrus/ep93xx_eth.c
  sound/soc/ep93xx/edb93xx.c
  sound/soc/ep93xx/ep93xx-i2s.c
  sound/soc/ep93xx/ep93xx-pcm.c
  sound/soc/ep93xx/simone.c
  sound/soc/ep93xx/snappercl15.c

* mach/platform.h
  drivers/ata/pata_ep93xx.c
  drivers/misc/ep93xx_pwm.c

If you are planning to allow building a combined kernel for ep93xx and
another ARMv4/v5 platform, all of these inclusions need to be removed
and done differently, plus you also need to start using the common clock
subsystem and sparse-irq. 

Any of those things would be greatly appreciated as a cleanup, but we're
not going to require them any time soon.

	Arnd
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