linux-kernel - Re: [PATCH v6 4/4] ARM: dts: armada-xp: Use pwm-fan rather than gpio-fan

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Date:   Mon, 24 Apr 2017 11:20:31 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Ralph Sennhauser <ralph.sennhauser@...il.com>
Cc:     "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Alexandre Courbot <gnurou@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jason Cooper <jason@...edaemon.net>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v6 4/4] ARM: dts: armada-xp: Use pwm-fan rather than gpio-fan

On Fri, Apr 14, 2017 at 5:40 PM, Ralph Sennhauser
<ralph.sennhauser@...il.com> wrote:

> From: Andrew Lunn <andrew@...n.ch>
>
> The mvebu GPIO driver can also perform PWM on some pins. Use the pwm-fan
> driver to control the fan of the WRT1900AC, giving us finer grained control
> over its speed and hence noise.
>
> Signed-off-by: Andrew Lunn <andrew@...n.ch>
> URL: https://patchwork.ozlabs.org/patch/427291/
> [Ralph Sennhauser: drop flags paramter from pwms, no longer used]
> Signed-off-by: Ralph Sennhauser <ralph.sennhauser@...il.com>
> Tested-by: Andrew Lunn <andrew@...n.ch>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Please funnel this through ARM SoC.

Yours,
Linus Walleij