Re: [PATCH v2 1/3] pwm: mtk_disp: clear the clock operations

[Thierry Reding]

On Sat, Jan 30, 2021 at 10:12:24PM +0800, Jitao Shi wrote:
> Remove the clk_prepare from mtk_disp_pwm_probe.
> Remove the clk_unprepare from mtk_disp_pwm_remove.
> 
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> ---
>  drivers/pwm/pwm-mtk-disp.c | 23 ++---------------------
>  1 file changed, 2 insertions(+), 21 deletions(-)

It's not clear *why* you're doing this change. It's already obvious from
the changes in this patch that you're removing the calls to
clk_prepare() and clk_unprepare(), so instead of duplicating that
information in the commit message, take this opportunity to describe why
this change is needed. Without any further context, this would seem to
just break operation of this chip because now these clocks are never
enabled in the first place.

Thierry

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