Hi Alexandre,
On Wednesday 22 April 2015 00:09:42 Alexandre Belloni wrote:
> [...]
> > ---
> > drivers/rtc/rtc-imxdi.c | 43 +++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 43 insertions(+)
> >
> > diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
> > index c666eab..8750477 100644
> > --- a/drivers/rtc/rtc-imxdi.c
> > +++ b/drivers/rtc/rtc-imxdi.c
> > @@ -129,6 +129,49 @@ struct imxdi_dev {
> > struct work_struct work;
> > };
> >
> > +/* Some background:
> > + *
> > + * The DryIce unit is a complex security/tamper monitor device. To be able
> > do
> > + * its job in a useful manner it runs a bigger statemachine to bring it
> > into
> > + * security/tamper failure state and once again to bring it out of this
> > state.
> > + *
> > + * This unit can be in one of three states:
> > + *
> > + * - "NON-VALID STATE"
> > + * always after the battery power was removed
> > + * - "FAILURE STATE"
> > + * if one of the enabled security events have happend
>
> has happened ^
>
> > + * - "VALID STATE"
> > + * if the unit works as expected
> > + *
> > + * Everything stops when the unit enters the failure state including the
> > RTC + * counter (to be able to detect the time the security event
> > happend).
>
> happened ^
> [...]
Thanks for the feedback. Fixed in the next version.
Regards,
Juergen
--
Pengutronix e.K. | Juergen Borleis |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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