On Tue, 25 Oct 2016 07:38:55 +0200 LABBE Corentin <clabbe.montjoie@xxxxxxxxx> wrote: > > On Sat, Oct 22, 2016 at 03:53:28PM +0200, Corentin Labbe wrote: > > > Since SID's content is constant over reboot, > > > > That's not true, at least not across all the Allwinner SoCs, and > > especially not on the A10 and A20 that this driver supports. > > > > On my cubieboard2 (A20) > hexdump -C /sys/devices/platform/soc\@01c00000/1c23800.eeprom/sunxi-sid0/nvmem > 00000000 16 51 66 83 80 48 50 72 56 54 48 48 03 c2 75 72 |.Qf..HPrVTHH..ur| > 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 00000100 16 51 66 83 80 48 50 72 56 54 48 48 03 c2 75 72 |.Qf..HPrVTHH..ur| > 00000110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 00000200 > cubiedev ~ # reboot > cubiedev ~ # hexdump -C /sys/devices/platform/soc\@01c00000/1c23800.eeprom/sunxi-sid0/nvmem > 00000000 16 51 66 83 80 48 50 72 56 54 48 48 03 c2 75 72 |.Qf..HPrVTHH..ur| > 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 00000100 16 51 66 83 80 48 50 72 56 54 48 48 03 c2 75 72 |.Qf..HPrVTHH..ur| > 00000110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| > * > 00000200 > > So clearly for me its constant. Even after power off/power on? -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
