From mboxrd@z Thu Jan  1 00:00:00 1970
From: eric@anholt.net (Eric Anholt)
Date: Tue, 21 Apr 2015 13:37:13 -0700
Subject: [PATCH 5/9] ARM: BCM2836: Add io map initialization for bcm2836.
In-Reply-To: <6559239.zHhRM8VZWD@wuerfel>
References: <1429639796-2169-1-git-send-email-eric@anholt.net>
 <1429639796-2169-6-git-send-email-eric@anholt.net>
 <6559239.zHhRM8VZWD@wuerfel>
Message-ID: <87oamh9q12.fsf@eliezer.anholt.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Arnd Bergmann <arnd@arndb.de> writes:

> 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.

Nope, I can't!  I'm not sure what the bcm2835 side of it does, and I was
just replicating that for 2836.

Should it be removed from 2835, too?
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