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
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