Re: [PATCH v2 0/4] watchdog: add driver for Renesas Gen3 WDT watchdogs

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Hi Wolfram,

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
restart the system if PSCI fails to do so?

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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