linux-kernel - Re: [PATCH 14/17] mfd: db8500-prcmu: use db8500 legacy services

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Message-Id: <201209051101.02595.arnd@arndb.de>
Date:	Wed, 5 Sep 2012 11:01:02 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Loic Pallardy <loic.pallardy-ext@...ricsson.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.com>,
	Loic Pallardy <loic.pallardy@...ricsson.com>,
	"STEricsson_nomadik_linux" <STEricsson_nomadik_linux@...t.st.com>,
	Loic Pallardy <loic.pallardy@...il.com>,
	Lee Jones <lee.jones@...aro.org>,
	"LT ST-Ericsson" <st-ericsson@...ts.linaro.org>
Subject: Re: [PATCH 14/17] mfd: db8500-prcmu: use db8500 legacy services

On Wednesday 05 September 2012, Loic Pallardy wrote:
> This patch exposes db8500 legacy services which are
> now available to support new baseband.
> If different are needed, then services are overloaded.
> This allows to reduce duplicate code between projects.
> 
> Signed-off-by: Loic Pallardy <loic.pallardy@...ricsson.com>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> ---
>  drivers/mfd/db8500-prcmu.c | 90 +++++++++++++++++++++++-----------------------
>  drivers/mfd/dbx500-prcmu.h | 71 ++++++++++++++++++++++++++++++++++++
>  2 files changed, 116 insertions(+), 45 deletions(-)
> 
> diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
> index 73c98e5..b39441f 100644
> --- a/drivers/mfd/db8500-prcmu.c
> +++ b/drivers/mfd/db8500-prcmu.c
> @@ -327,12 +327,12 @@ int db8500_prcmu_set_display_clocks(void)
>         return 0;
>  }
>  
> -static u32 db8500_prcmu_read(unsigned int reg)
> +u32 db8500_prcmu_read(unsigned int reg)
>  {
>         return readl(_PRCMU_BASE + reg);
>  }

If these are common to both db8500 and dbx540, why not put the definitions
into the common dbx500.c file, rather than making dbx540 depend on the
db8500?

	Arnd
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