linux-kernel - Re: [PATCH v3 2/2] ARM: dts: pxa: fix the rtc controller

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Message-ID: <20180627171627.592849b5@windsurf.home>
Date:   Wed, 27 Jun 2018 17:16:27 +0200
From:   Thomas Petazzoni <thomas.petazzoni@...tlin.com>
To:     Robert Jarzmik <robert.jarzmik@...e.fr>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH v3 2/2] ARM: dts: pxa: fix the rtc controller

Hello,

On Wed, 27 Jun 2018 17:01:50 +0200, Robert Jarzmik wrote:
> The RTC controller is fed by an external fixed 32kHz clock. Yet the
> driver wants to acquire this clock, even though it doesn't make any use
> of it, ie. doesn't get the rate to make calculation.
> 
> Therefore, use the exported 32.768kHz clock in the PXA clock tree to
> make the driver happy and working.
> 
> Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
> ---
> Since v1: change the dummy clock by the actual 32.768kHz
> ---
>  arch/arm/boot/dts/pxa25x.dtsi | 4 ++++
>  arch/arm/boot/dts/pxa27x.dtsi | 4 ++++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/pxa25x.dtsi b/arch/arm/boot/dts/pxa25x.dtsi
> index 95d59be97213..78a413ea0e88 100644
> --- a/arch/arm/boot/dts/pxa25x.dtsi
> +++ b/arch/arm/boot/dts/pxa25x.dtsi
> @@ -80,6 +80,10 @@
>  			#pwm-cells = <1>;
>  			clocks = <&clks CLK_PWM1>;
>  		};
> +
> +		rtc@...00000 {
> +			clocks = <&clks CLK_OSC32k768>>;

Double closing bracket, doesn't look good.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com