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Date:   Wed, 20 Feb 2019 15:29:23 +0100
From:   Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= 
        <u.kleine-koenig@pengutronix.de>
To:     Fabrice Gasnier <fabrice.gasnier@st.com>
Cc:     thierry.reding@gmail.com, robh+dt@kernel.org, tduszyns@gmail.com,
        mark.rutland@arm.com, alexandre.torgue@st.com,
        mcoquelin.stm32@gmail.com, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-pwm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [PATCH v5 3/3] pwm: core: add consumer device link
Message-ID: <20190220142923.a5v6rohply2c7nfh@pengutronix.de>
References: <1550668068-9661-1-git-send-email-fabrice.gasnier@st.com>
 <1550668068-9661-4-git-send-email-fabrice.gasnier@st.com>
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On Wed, Feb 20, 2019 at 02:07:48PM +0100, Fabrice Gasnier wrote:
> Add a device link between the PWM consumer and the PWM provider. This
> enforces the PWM user to get suspended before the PWM provider. It
> allows proper synchronization of suspend/resume sequences: the PWM user
> is responsible for properly stopping PWM, before the provider gets
> suspended: see [1]. Add the device link in:
> - of_pwm_get()
> - pwm_get()
> - devm_*pwm_get() variants
> as it requires a reference to the device for the PWM consumer.
> 
> [1] https://lkml.org/lkml/2019/2/5/770
> 
> Suggested-by: Thierry Reding <thierry.reding@gmail.com>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-K?nig            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |