Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760285AbbBIM6U (ORCPT ); Mon, 9 Feb 2015 07:58:20 -0500 Received: from bhuna.collabora.co.uk ([93.93.135.160]:39681 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759519AbbBIM6S (ORCPT ); Mon, 9 Feb 2015 07:58:18 -0500 Message-ID: <54D8AEE5.1090308@collabora.co.uk> Date: Mon, 09 Feb 2015 13:58:13 +0100 From: Javier Martinez Canillas User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.2.0 MIME-Version: 1.0 To: Krzysztof Kozlowski , Kukjin Kim , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org CC: Marek Szyprowski , Bartlomiej Zolnierkiewicz Subject: Re: [PATCH] ARM: dts: exynos5420: Add maudio power domain References: <1423485695-22568-1-git-send-email-k.kozlowski@samsung.com> In-Reply-To: <1423485695-22568-1-git-send-email-k.kozlowski@samsung.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2176 Lines: 61 Hello Krzysztof, On 02/09/2015 01:41 PM, Krzysztof Kozlowski wrote: > Add maudio power domain to Exynos 5420 DTSI file so its state could be > tracked. This actually won't power down this domain because the pl330 > dmaengine driver (for adma channel) uses IRQ safe runtime PM. Thus the > patch should not introduce any functional change except of visibility of > this domain to the system. > > Signed-off-by: Krzysztof Kozlowski > --- Your patch looks good to me, I just have two small comments below. With those changes, feel free to add: Reviewed-by: Javier Martinez Canillas > arch/arm/boot/dts/exynos5420.dtsi | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi > index 6d38f8bfd0e6..2e99a39f7250 100644 > --- a/arch/arm/boot/dts/exynos5420.dtsi > +++ b/arch/arm/boot/dts/exynos5420.dtsi > @@ -270,6 +270,11 @@ > reg = <0x10044120 0x20>; > }; > > + mau_pd: power-domain@100440E0 { > + compatible = "samsung,exynos4210-pd"; > + reg = <0x100440E0 0x20>; You also need to add #power-domain-cells = <0> here since "power-domain-cells" is a required property now that the Exynos PD code has been converted to use the generic power domains lookup. > + }; > + > pinctrl_0: pinctrl@13400000 { > compatible = "samsung,exynos5420-pinctrl"; > reg = <0x13400000 0x1000>; > @@ -328,6 +333,7 @@ > #dma-cells = <1>; > #dma-channels = <6>; > #dma-requests = <16>; > + samsung,power-domain = <&mau_pd>; Same here. Even though "samsung,power-domain" is kept as backward compatible, "power-domains" should be used instead. In fact Marek sent a patch [0] to get rid of all the current "samsung,power-domain" properties so it would be good if you can base on top of that one. Best regards, Javier [0]: http://www.spinics.net/lists/linux-samsung-soc/msg40584.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/