Re: [PATCH v13 11/11] pwm: core: Convert period and duty cycle to u64

From: Uwe Kleine-König
Date: Fri May 22 2020 - 09:26:44 EST


On Tue, Apr 21, 2020 at 07:57:23PM -0700, Guru Das Srinagesh wrote:
> Because period and duty cycle are defined as ints with units of
> nanoseconds, the maximum time duration that can be set is limited to
> ~2.147 seconds. Change their definitions to u64 in the structs of the
> PWM framework so that higher durations may be set.
>
> Also use the right format specifiers in debug prints in both core.c as
> well as pwm-stm32-lp.c.
>
> Cc: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
> Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
> Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
> Cc: Joe Perches <joe@xxxxxxxxxxx>
>
> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
> Signed-off-by: Guru Das Srinagesh <gurus@xxxxxxxxxxxxxx>

I like this change in general. I didn't check all the prepatory patches
in detail but the few I glanced over looked ok.

I think we have to prepare for having to fix a few fallouts but consider
it ok to expose this in next (but wouldn't send it for 5.8-rc1 yet).

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

Best regards
Uwe

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