Re: [RFC PATCH 2/2] PM / devfreq: rk3399_dmc: Block PMU during transitions
From: Doug Anderson
Date: Wed Apr 06 2022 - 05:36:37 EST
On Tue, Apr 5, 2022 at 6:49 PM Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
> See the previous patch ("soc: rockchip: power-domain: Manage resource
> conflicts with firmware") for a thorough explanation of the conflicts.
> While ARM Trusted Firmware may be modifying memory controller and
> power-domain states, we need to block the kernel's power-domain driver.
> If the power-domain driver is disabled, there is no resource conflict
> and this becomes a no-op.
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
> drivers/devfreq/rk3399_dmc.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>