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Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan

From Ralph Sennhauser <ralph.sennhauser@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan
Date 2017-03-26 23:10 +0200
Message-ID <tpnAd-5OK-9@gated-at.bofh.it> (permalink)
References <toyen-2LK-59@gated-at.bofh.it> <toyen-2LK-63@gated-at.bofh.it> <toyxH-2SC-5@gated-at.bofh.it>
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On Fri, 24 Mar 2017 15:35:05 +0100
Andrew Lunn <andrew@lunn.ch> wrote:

> > +	pwm_fan {
> >  		/* SUNON HA4010V4-0000-C99 */
> > -		compatible = "gpio-fan";
> > -		gpios = <&gpio0 24 0>;
> >  
> > -		gpio-fan,speed-map = <0    0
> > -				      4500 1>;
> > +		compatible = "pwm-fan";
> > +		pwms = <&gpio0 24 4000 0>;  
> 
> Hi Ralph
> 
> I believe this last 0 is the flags parameter. Now that we have
> #pwm-cells = 1, i think this last 0 should be dropped.
> 
> 	  Andrew

Hi Andrew,

isn't the 4000 (period?) pwm-cell #2 and 0 (flags?) pwm-cell #3? I
actually expect "pwms = <&gpio0 24>;" here or "#pwm-cells = <2>;"

Ralph

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Thread

[PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-03-24 15:20 +0100
  Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Andrew Lunn <andrew@lunn.ch> - 2017-03-24 15:40 +0100
    Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than  gpio-fan Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-03-24 23:30 +0100
    Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than  gpio-fan Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-03-26 23:10 +0200
      Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Andrew Lunn <andrew@lunn.ch> - 2017-03-27 15:20 +0200

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