On 06/13/2015 05:39 AM, Noralf Trønnes wrote: > This adds a new poweroff function to the watchdog driver for the > Raspberry Pi. Currently poweroff/halt results in a reboot. > > The Raspberry Pi firmware uses the RSTS register to know which > partiton to boot from. The partiton value is spread into bits > 0, 2, 4, 6, 8, 10. Partiton 63 is a special partition used by > the firmware to indicate halt. > > The firmware made this change in 19 Aug 2013 and was matched > by the downstream commit: > Changes for new NOOBS multi partition booting from gsh I don't understand why we need a new compatible value here; why not simply modify the existing bcm2835_power_off() function. That is written to do something that's interpreted by the RPi firmware, not something that the bcm2835 HW does. Admittedly the current name is a bit misleading, but fixing that should be a separate change to fixing the implementation to do what the current firmware expects. -- 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
