From mboxrd@z Thu Jan  1 00:00:00 1970
From: arnd@arndb.de (Arnd Bergmann)
Date: Tue, 21 Apr 2015 20:53:04 +0200
Subject: [PATCH 5/9] ARM: BCM2836: Add io map initialization for bcm2836.
In-Reply-To: <1429639796-2169-6-git-send-email-eric@anholt.net>
References: <1429639796-2169-1-git-send-email-eric@anholt.net>
 <1429639796-2169-6-git-send-email-eric@anholt.net>
Message-ID: <6559239.zHhRM8VZWD@wuerfel>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tuesday 21 April 2015 11:09:52 Eric Anholt wrote:
> +static struct map_desc bcm2836_io_map __initdata = {
> +       .virtual = BCM2835_PERIPH_VIRT,
> +       .pfn = __phys_to_pfn(BCM2836_PERIPH_PHYS),
> +       .length = BCM2835_PERIPH_SIZE,
> +       .type = MT_DEVICE
> +};
> +
>  static void __init bcm2835_map_io(void)
>  {
> -       iotable_init(&io_map, 1);
> +       iotable_init(&bcm2835_io_map, 1);
> +}
> +
> +static void __init bcm2836_map_io(void)
> +{
> +       iotable_init(&bcm2836_io_map, 1);
>  }
> 

Can you explain what this is needed for? Most platform ports don't
do this any more.

	Arnd