Re: [PATCH 3/3] MIPS: Loongson64: Add /proc/boardinfo

[Tiezhu Yang]

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@xxxxxxxxxxx>
> > ---