linux-kernel - Re: [PATCH 1/2] ARM: OMAP: Trivial driver changes to remove include plat/cpu.h

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Date:	Mon, 8 Oct 2012 11:09:00 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	alsa-devel@...a-project.org, linux-omap@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Liam Girdwood <lrg@...com>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	Deepak Saxena <dsaxena@...xity.net>,
	Chris Ball <cjb@...top.org>, Matt Mackall <mpm@...enic.com>,
	Venkatraman S <svenkatr@...com>,
	"David S. Miller" <davem@...emloft.net>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	linux-crypto@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: OMAP: Trivial driver changes to remove
 include plat/cpu.h

* Tony Lindgren <tony@...mide.com> [121008 10:37]:
> Drivers should not use cpu_is_omap or cpu_class_is_omap macros,
> they should be private to the platform init code. And we'll be
> removing plat/cpu.h and only have a private soc.h for the
> arch/arm/*omap* code.
> 
> This patch is intended as preparation for the core omap changes
> and removes the need to include plat/cpu.h from several drivers.
> This is needed for the ARM common zImage support.
> 
> These changes are OK to do because:
> 
> - omap-rng.c and hsmmc.c don't need plat/cpu.h
> 
> - omap-aes.c and omap-sham.c get the proper platform_data
>   passed to them so they don't need extra checks in the driver
> 
> - omap-dma.c and omap-pcm.c can test the arch locally as
>   omap1 and omap2 cannot be compiled together because of
>   conflicting compiler flags


> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -40,7 +40,6 @@
>  #include <linux/pm_runtime.h>
>  #include <linux/platform_data/mmc-omap.h>
>  #include <mach/hardware.h>
> -#include <plat/cpu.h>
>  
>  /* OMAP HSMMC Host Controller Registers */
>  #define OMAP_HSMMC_SYSSTATUS	0x0014

Actually I'll fold this mmc change into an earlier patch
I've posted as "ARM: OMAP: Split plat/mmc.h into local headers
and platform_data".

Regards,

Tony
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