[PATCH] ARM: /proc/cpuinfo: Use DT machine name when possible

[Russell King - ARM Linux]

On Wed, Dec 03, 2014 at 06:33:08PM -0600, Rob Herring wrote:
> On Mon, Nov 24, 2014 at 4:19 PM, Pali Rohár <pali.rohar at gmail.com> wrote:
> > There is no "/serial-number" property in kernel:
> >
> > $ ls -l -a /sys/bus/soc/devices/soc0/
> > drwxr-xr-x    3 0        0                0 Jan  1 00:00 .
> > drwxr-xr-x   18 0        0                0 Jan  1 00:00 ..
> > -r--r--r--    1 0        0             4096 Jan  1 00:00 family
> > -r--r--r--    1 0        0             4096 Jan  1 00:00 machine
> > drwxr-xr-x    2 0        0                0 Jan  1 00:00 power
> > -r--r--r--    1 0        0             4096 Jan  1 00:00 revision
> > lrwxrwxrwx    1 0        0                0 Jan  1 00:00
> > subsystem -> ../../bus/soc
> > -r--r--r--    1 0        0             4096 Jan  1 00:00 type
> > -rw-r--r--    1 0        0             4096 Jan  1 00:00 uevent
> 
> Wrong place. If you put /serial-number in your DT, then it will be in
> /proc/device-tree/serial-number.
> 
> If you want to wire that up to /proc/cpuinfo, I would be fine with that.

That would be fine for me too.  Then it's just a matter of how to copy
the contents of the ATAG into the DT (I assume it's possible in a
similar way to the memory and command line information.)  That's
something I know nothing about though.

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