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Re: [PATCH v3] watchdog: bcm2835: Fix poweroff behaviour

From Stephen Warren <swarren@wwwdotorg.org>
Newsgroups linux.kernel
Subject Re: [PATCH v3] watchdog: bcm2835: Fix poweroff behaviour
Date 2015-06-18 04:10 +0200
Message-ID <pCxrb-2YR-5@gated-at.bofh.it> (permalink)
References <pCmcq-3AI-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 06/17/2015 08:04 AM, Noralf Trønnes wrote:
> Currently poweroff/halt results in a reboot on the Raspberry Pi.
> The 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

Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>

I wonder if, sometime down the road, it's worth querying the firmware
version via the firmware driver and dynamically doing the right thing.
Still, the combination of a bleeding edge kernel and an ancient firmware
seems a bit unlikely, so perhaps not worth the bother.
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Re: [PATCH v3] watchdog: bcm2835: Fix poweroff behaviour Stephen Warren <swarren@wwwdotorg.org> - 2015-06-18 04:10 +0200

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