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SubjectRe: [PATCH 3/3] MIPS: Loongson64: Add /proc/boardinfo
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On 10/10/2020 04:01 PM, Jiaxun Yang wrote:
>
>
> 在 2020/10/9 下午6:57, Tiezhu Yang 写道:
>> 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.
>
> Hi Tiezhu,
>
> You're touching Kernel userspace API and I believe it should be
> documented. Also linux-api list
> should be informed.

[RESEND due to the following reason:
Can not connect to recipient's server because of unstable
network or firewall filter. rcpt handle timeout,last handle
info: Host vger.kernel.org(23.128.96.18) command RCPT TO
respond timeout or disconnected]

Hi Jiaxun,

Thanks for your suggestion. I will do it as soon as possible and then
send v2.

>
> Also I'd like to know if it's really useful for mainline kernel.
> For user who wants to check board information, dmidecode is already
> useful enough.

There is no SMBIOS and dmidecode can see nothing on some machines, like
this:
[root@linux loongson]# dmidecode
# dmidecode 2.12
# No SMBIOS nor DMI entry point found, sorry.

So I think it is useful.

Thanks,
Tiezhu Yang

>
> Thanks.
>
> - Jiaxun
>
>>
>> E.g. with this patch:
>>
>> [loongson@linux ~]$ 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
>>
>> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
>> ---
>>

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