From: Brad Arnold <brad@check-it.ca>
To: Nicolas Pitre <nico@fluxnic.net>
Cc: linux-embedded@vger.kernel.org
Subject: RE: Expose system Serial Number to userspace.
Date: Wed, 29 Aug 2012 10:53:23 -0600 [thread overview]
Message-ID: <c01a38e85047d286d68599d3472fbcbd@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.2.02.1208291143101.1784@xanadu.home>
That's perfect, thanks!
Brad
-----Original Message-----
From: Nicolas Pitre [mailto:nico@fluxnic.net]
Sent: August-29-12 9:51 AM
To: Brad Arnold
Cc: linux-embedded@vger.kernel.org
Subject: Re: Expose system Serial Number to userspace.
On Wed, 29 Aug 2012, Brad Arnold wrote:
> Hi,
>
> I'm working on an embedded board which uses u-boot + linux. At
> manufacturing time, the device serial number will be programmed into
> OTP memory on NAND (probably from within u-boot). We'd like the linux
> kernel to make this serial number available to be read from userspace.
> Is there an accepted method to do this sort of thing?
A serial number field is available from /proc/cpuinfo already. you just
have to initialize it through the system_serial_high and system_serial_low
global variables.
Nicolas
next prev parent reply other threads:[~2012-08-29 16:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-29 15:18 Expose system Serial Number to userspace Brad Arnold
2012-08-29 15:50 ` Nicolas Pitre
2012-08-29 16:53 ` Brad Arnold [this message]
2012-08-29 20:47 ` Brad Arnold
2012-08-29 20:52 ` Nicolas Pitre
2012-08-29 16:05 ` Marco Stornelli
2012-08-29 16:57 ` Brad Arnold
2012-08-29 17:07 ` Marco Stornelli
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=c01a38e85047d286d68599d3472fbcbd@mail.gmail.com \
--to=brad@check-it.ca \
--cc=linux-embedded@vger.kernel.org \
--cc=nico@fluxnic.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.