Re: [PATCH v10 4/6] pwm: Make it possible to apply PWM changes in atomic context

[Uwe Kleine-König]

On Tue, Dec 19, 2023 at 04:30:27PM +0000, Sean Young wrote:
> Some PWM devices require sleeping, for example if the pwm device is
> connected over I2C. However, many PWM devices could be used from atomic
> context, e.g. memory mapped PWM. This is useful for, for example, the
> pwm-ir-tx driver which requires precise timing. Sleeping causes havoc
> with the generated IR signal.
> 
> Since not all PWM devices can support atomic context, we also add a
> pwm_might_sleep() function to check if is not supported.
> 
> Signed-off-by: Sean Young <sean@xxxxxxxx>

Reviewed-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

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

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