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Re: [PATCH v3 01/12] pwm: introduce default period and polarity concepts

From Alexandre Belloni <alexandre.belloni@free-electrons.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 01/12] pwm: introduce default period and polarity concepts
Date 2015-11-07 03:40 +0100
Message-ID <qs1A6-4xx-5@gated-at.bofh.it> (permalink)
References <qb5JL-2GR-3@gated-at.bofh.it> <qb5JO-2GR-41@gated-at.bofh.it>
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On 21/09/2015 at 11:33:18 +0200, Boris Brezillon wrote :
> When requested by a user, the PWM is assigned a default period and polarity
> extracted from the DT, the platform data or statically set by the driver.
> Those default values are currently stored in the period and polarity
> fields of the pwm_device struct, but they will be stored somewhere else
> once we have introduced the architecture allowing for hardware state
> retrieval.
> 
> The pwm_set_default_polarity and pwm_set_default_period should only be
> used by PWM drivers or the PWM core infrastructure to specify the
> default period and polarity values.
> 
> PWM users might call the pwm_get_default_period to query the default
> period value. There is currently no helper to query the default
> polarity, but it might be added later on if there is a need for it.
> 
> This patch also modifies all the places where the default helpers should
> be used in place of the standard ones.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

For pwm-sun4i:
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>


-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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Re: [PATCH v3 01/12] pwm: introduce default period and polarity  concepts Alexandre Belloni <alexandre.belloni@free-electrons.com> - 2015-11-07 03:40 +0100

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