linux-kernel - Re: [PATCH v2 3/4 RESEND] MIPS: Loongson64: Add /proc/boardinfo

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Date:   Mon, 12 Oct 2020 12:38:05 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Jonathan Corbet <corbet@....net>, Huacai Chen <chenhc@...ote.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH v2 3/4 RESEND] MIPS: Loongson64: Add /proc/boardinfo

On Sun, Oct 11, 2020 at 07:47:53AM +0800, Tiezhu Yang wrote:
> Add /proc/boardinfo to get mainboard and BIOS info easily on the Loongson
> platform, this is useful to point out the current used mainboard type and
> BIOS version when there exists problems related with hardware or firmware.
> 
> E.g. with this patch:
> 
> [loongson@...ux ~]$ cat /proc/boardinfo
> Board Info
> Manufacturer            : LEMOTE
> Board Name              : LEMOTE-LS3A4000-7A1000-1w-V01-pc
> Family                  : LOONGSON3
> 
> BIOS Info
> Vendor                  : Kunlun
> Version                 : Kunlun-A1901-V4.1.3-20200414093938
> ROM Size                : 4 KB
> Release Date            : 2020-04-14

Why does Loongson64 need this extra file no other architecture or MIPS
platform need ? Do others provide this information via a different method ?
If yes, why can't Loongson64 do the same ?

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]