Re: [PATCH 0/5] clk: imx: fix bus critical clk registration

From: Abel Vesa
Date: Wed Oct 21 2020 - 06:40:00 EST


On 20-10-21 16:31:29, peng.fan@xxxxxxx wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> The issue is exposed by
> https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/
> linux.git/commit/?h=for-next&id=936c383673b9e3007432f17140ac62de53d87db9
>
> Since the upper patch not in Linus tree, I not add Fixed tag.
>
> The issue is bus clk should be registered using bus composite api, not
> peripheral api. Otherwise we will met failed to assigned clock parents error log.
> Because peripheral critical clk has CLK_SET_PARENT_GATE and CLK_IS_CRITICAL,
> you will not able to set clk parents.
>
> We need use bus critical clk api to register the clks, so introduce
> a new helper and use it.
>

I already had this change in the devfreq+icc tree.

Thanks for speeding up this work.

After our discussion yesterday, there is a further change needed for the bus
clocks and that is the 'right' to reparent on rate change. I'll probably send
that myself.

For this entire series:

Reviewed-by: Abel Vesa <abel.vesa@xxxxxxx>

> Peng Fan (5):
> clk: imx: add imx8m_clk_hw_composite_bus_critical
> clk: imx8mq: fix noc and noc_io registration
> clk: imx8mm: fix bus critical clk registration
> clk: imx8mn: fix bus critical clk registration
> clk: imx8mp: fix bus critical clk registration
>
> drivers/clk/imx/clk-imx8mm.c | 10 +++++-----
> drivers/clk/imx/clk-imx8mn.c | 6 +++---
> drivers/clk/imx/clk-imx8mp.c | 10 +++++-----
> drivers/clk/imx/clk-imx8mq.c | 8 ++++----
> drivers/clk/imx/clk.h | 5 +++++
> 5 files changed, 22 insertions(+), 17 deletions(-)
>
> --
> 2.28.0
>