Hi,
On Wed, 8 Dec 2021 21:57:00 +0100
Pavel Machek <pavel@xxxxxx> wrote:
> Hi!
>
> You may want to cc: linux-kernel@xxxxxxxxxxxxxxx and
> phone-devel@xxxxxxxxxxxxxxx, since this is kernel issue.
>
> > > I am back with a bit more news, but no solution.
> >
> > It looks like commit fb2c599f056640d289b2147fbe6d9eaee689f1b2 ("ARM:
> > omap3: enable off mode automatically") is causing these failures on the
> > Nokia N900. Reverting this commit on top of v5.10 (with
> > 21b2cec61c04bd175f0860d9411a472d5a0e7ba1 also reverted), makes the
> > problem go away (I tried 10 times).
> >
> > The same holds for 5.15.y, just reverting
> > fb2c599f056640d289b2147fbe6d9eaee689f1b2 makes the system "stable" (at
> > least the problem reported in the first email is gone).
> >
> > Perhaps the "pwrst->next_state" change is causing these problems, since
> > I can enter OFF mode just fine with init=/bin/sh and a custom
> > script?
>
> fb2c599f056640d28 has some hints in it. Perhaps Andreas can mention
> what boards he tested it on?
>
well, I tested it on gta04a4 and gta04a5 (both dm3730).
There is one 1Ghz issue at least on the a5, so I disabled that opp.
> And rather than reverting it, we may want to delete ti,twl4030-idle*
> hints from n900 device tree for now?
>
well, it has side effects on power consumption, power consumption
should be worse without ti,twl4030-idle-*. So the real solution would
be to understand what is causing the trouble here.
Regards,
Andreas
