From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Thu, 17 Dec 2015 09:44:56 -0700
Subject: [U-Boot] ATAGS for Tegra, Sunxi, etc.
In-Reply-To: <CAK7LNARtCDLcNfHXXXbgQz8p_yrwuWrb1UMcEjiDfVUq=bru8w@mail.gmail.com>
References: <CAK7LNATeQZBGJ6LkHCDvQgUGBA_+mXikzK559ZhHbrdn6Ydp0Q@mail.gmail.com>
 <CAK7LNARtCDLcNfHXXXbgQz8p_yrwuWrb1UMcEjiDfVUq=bru8w@mail.gmail.com>
Message-ID: <5672E688.1050609@wwwdotorg.org>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

On 12/16/2015 09:59 PM, Masahiro Yamada wrote:
> + To: U-Boot ML
>
> I forgot to send this to ML.
>
>
>
>
> 2015-12-17 13:58 GMT+09:00 Masahiro Yamada <yamada.masahiro@socionext.com>:
>> Hi,
>>
>> I noticed some well-maintained new SoC families still
>> define CONFIG_CMDLINE_TAG.
>>
>>
>> For example,
>>
>> include/configs/tegra-common.h
>>
>>    #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */

IIRC, Tegra support in U-Boot was added in the days before DT was a 
thing, or a widespread thing at least. (Oh, happy days!) I imagine that 
the config option was simply never removed since there was no specific 
need to do so.