Am Montag, 28. Dezember 2015, 16:28:55 schrieb Arnd Bergmann: > On Wednesday 23 December 2015 17:31:45 Andy Yan wrote: > > + { .compatible = "rockchip,reboot-mode-nvram", > > + .data = (void *)&reboot-mode-nvram }, > > + {}, > > +}; > > nvram is a complex topic by itself, because there are so many ways to do it. > I think what you are referring to here is a battery-backed memory that uses > one or more bytes at a fixed offset to store a particular piece of > information, as the drivers/char/nvram.c driver does. Maybe we should put > the reboot mode into that driver then? > > There are other nvram drivers at various places in the kernel, and each may > be slightly different, or completely different, like the EFIVARs driver on > UEFI firmware or the key/value store on Open Firmware, these probably need > their own methods and not share the generic driver. actually we now have drivers/nvmem/* that does that byte-wise addressing for eeproms, efuses, etc in a generic way. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html