That's perfect, thanks! Brad -----Original Message----- From: Nicolas Pitre [mailto:nico@xxxxxxxxxxx] Sent: August-29-12 9:51 AM To: Brad Arnold Cc: linux-embedded@xxxxxxxxxxxxxxx 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 -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html