linux-kernel - Re: [PATCH 4/6] ARM: dts: stm32: Add hwspinlock node for stm32mp157 SoC

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Message-ID: <20190328152612.GA464@bogus>
Date:   Thu, 28 Mar 2019 10:26:12 -0500
From:   Rob Herring <robh@...nel.org>
To:     Fabien Dessenne <fabien.dessenne@...com>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jonathan Corbet <corbet@....net>,
        linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: Re: [PATCH 4/6] ARM: dts: stm32: Add hwspinlock node for stm32mp157
 SoC

On Wed, Mar 13, 2019 at 04:50:35PM +0100, Fabien Dessenne wrote:
> Declare hwspinlock device for stm32mp157 SoC
> 
> Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
> ---
>  arch/arm/boot/dts/stm32mp157c.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
> index 105e21f..18baaea 100644
> --- a/arch/arm/boot/dts/stm32mp157c.dtsi
> +++ b/arch/arm/boot/dts/stm32mp157c.dtsi
> @@ -886,6 +886,15 @@
>  			status = "disabled";
>  		};
>  
> +		hsem: hwspinlock@...00000 {
> +			compatible = "st,stm32-hwspinlock";
> +			#hwlock-cells = <2>;
> +			reg = <0x4c000000 0x400>;
> +			clocks = <&rcc HSEM>;
> +			clock-names = "hsem";
> +			status = "okay";

okay is the default, so you can remove it.

> +		};
> +
>  		ipcc: mailbox@...01000 {
>  			compatible = "st,stm32mp1-ipcc";
>  			#mbox-cells = <1>;
> -- 
> 2.7.4
>