Hi Günter,
On Mon, Apr 4, 2016 at 5:25 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> On Mon, Apr 04, 2016 at 05:21:44PM +0200, Geert Uytterhoeven wrote:
>> On Mon, Apr 4, 2016 at 4:59 PM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
>> >> My Salvator-X reboots after timeout from "cat > /dev/watchdog0", but
>> >> it doesn't reboot through "reboot" or "reboot -f"?
>> >
>> > That sadly doesn't work on Gen3. From the RFC v5 cover letter:
>>
>> > ===
>> >
>> > * drop restart_handler since ARM64 uses PSCI firmware resets which do
>> > not call restart handlers
>> >
>> > The last point was quite a bummer to me because plain reboot was the
>> > reason I wrote this driver ;) Well, so is life...
>>
>> That's indeed silly. Can't we have it as a low-priority restart handler, to
>
> Yes, it is. It defeats the purpose of restart handlers. PSCI reset should have
> been implemented as a high priority restart handler.
Unfortunately that won't work: psci_sys_reset() doesn't return on failure.
We can still clear arm_pm_restart in platform code, though ;-)
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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