reset / watchdog on an imx7d soc

[Giorgio Dal Molin]

Hi,

> On July 2, 2020 at 6:24 PM Fabio Estevam <festevam at gmail.com> wrote:
> 
> 
> Hi Giorgio,
> 
> On Thu, Jul 2, 2020 at 12:28 PM Giorgio Dal Molin
> <giorgio.nicole at arcor.de> wrote:
> 
> > What I've found is that if I put the endless loop right at the end of
> > imx21_soc_reset(), after the imxwd_write's, then the reboot process becomes
> > reliable.
> 
> Just curious: are you able to reboot reliably if you issue a "reboot"
> command from the Linux prompt?
> 

yesterday I ran a long reboot loop test:

 system start => kernel / userland boot => reboot

and at least captured a hang.

So, from what I can see, a kernel reboot hang is just as likely as a bootloader's
one.

giorgio