[PATCH v3] pwm: mtk_disp: Fix the disable flow of disp_pwm

[Uwe Kleine-König]

On Wed, May 31, 2023 at 11:10:01AM +0800, Shuijing Li wrote:
> There is a flow error in the original mtk_disp_pwm_apply() function.
> If this function is called when the clock is disabled, there will be a
> chance to operate the disp_pwm register, resulting in disp_pwm exception.
> Fix this accordingly.
> 
> Fixes: 888a623db5d0 ("pwm: mtk-disp: Implement atomic API .apply()")
> Signed-off-by: Shuijing Li <shuijing.li at mediatek.com>
> Reviewed-by: Matthias Brugger <matthias.bgg at gmail.com>
> Tested-by: Fei Shao <fshao at chromium.org>

When I sent my ack for v2, I missed there was already a v3, so here
again for the sake of easier maintenance:

Acked-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>

> ---
> Changes in v3:
> Add Fixes per suggestion from the previous thread:

Note that for that a new version isn't necessary, patchwork (and I think
also b4) pick up a fixes line from replies.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |
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