linux-kernel - Re: [PATCH 1/4] ARM: mmu: Call debug_ll_io_init if no map

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Message-ID: <CAL_Jsq+LuNBUyzc++i6RKJ67La1LKyC5d6hPvXuj1Kr_R0EmMQ@mail.gmail.com>
Date:	Thu, 16 May 2013 11:16:48 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Shawn Guo <shawn.guo@...aro.org>, Arnd Bergmann <arnd@...db.de>,
	Olof Johansson <olof@...om.net>,
	Russell King <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] ARM: mmu: Call debug_ll_io_init if no map_io function
 is specified

On Mon, May 13, 2013 at 5:16 AM, Maxime Ripard
<maxime.ripard@...e-electrons.com> wrote:
> More and more sub-architectures are using only the debug_ll_io_init
> function as the map_io function. Make the core code call this function
> if no function is specified in the machine description to remove some
> boilerplate code.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>

Acked-by: Rob Herring <rob.herring@...xeda.com>

> ---
>  arch/arm/mm/mmu.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
> index e0d8565..faa36d7 100644
> --- a/arch/arm/mm/mmu.c
> +++ b/arch/arm/mm/mmu.c
> @@ -1232,6 +1232,8 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
>          */
>         if (mdesc->map_io)
>                 mdesc->map_io();
> +       else
> +               debug_ll_io_init();
>         fill_pmd_gaps();
>
>         /* Reserve fixed i/o space in VMALLOC region */
> --
> 1.8.1.2
>
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