On Wed, Oct 13, 2021 at 08:28:48AM +0200, Uwe Kleine-König wrote:
> On i.MX7S and i.MX8M* (but not i.MX6*) the pwrkey device has an
> associated clock. Accessing the registers requires that this clock is
> enabled. Binding the driver on at least i.MX7S and i.MX8MP while not
> having the clock enabled results in a complete hang of the machine.
> (This usually only happens if snvs_pwrkey is built as a module and the
> rtc-snvs driver isn't already bound because at bootup the required clk
> is on and only gets disabled when the clk framework disables unused clks
> late during boot.)
>
> This completes the fix in commit 135be16d3505 ("ARM: dts: imx7s: add
> snvs clock to pwrkey").
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Applied, thank you.
--
Dmitry
