[PATCH] pwm: sun4i: properly check current state

[Thierry Reding]

On Sun, Feb 25, 2018 at 02:55:58AM +0100, Alexandre Belloni wrote:
> Correctly extract the prescaler value from CTRL_REG before comparing it to
> PWM_PRESCAL_MASK.
> 
> Also, check that both PWM_CLK_GATING and PWM_EN to ensure the PWM is
> enabled instead of relying on only one of those.
> 
> Fixes: 93e0dfb2c52f ("pwm: sun4i: Improve hardware read out")
> Signed-off-by: Alexandre Belloni <alexandre.belloni at bootlin.com>
> ---
>  drivers/pwm/pwm-sun4i.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Applied, thanks.

Thierry
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