linux-kernel - Re: [PATCH] pwm: stm32: Implement .get

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Message-ID: <6032fcba75d34b0273508166c8b79331cd5c34ef.camel@pengutronix.de>
Date:   Tue, 18 Jul 2023 16:29:10 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc:     linux-pwm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pwm: stm32: Implement .get_state()

Hi Fabrice,

On Fr, 2023-06-09 at 15:06 +0200, Fabrice Gasnier wrote:
[...]
> > @@ -635,7 +675,10 @@ static int stm32_pwm_probe(struct platform_device *pdev)
> >  
> >  	priv->chip.dev = dev;
> >  	priv->chip.ops = &stm32pwm_ops;
> > -	priv->chip.npwm = stm32_pwm_detect_channels(priv);
> > +	priv->chip.npwm = stm32_pwm_detect_channels(priv, &n_enabled);
> > +
> 
> I'd suggest to comment a bit here, to explain it initializes the PWM
> counter clock refcount in sync with PWM initial state left by the
> bootloader.
> 
> In all case, this is fine for me, you can add my:
> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>

Thank you, I'll add a comment here.

regards
Philipp