From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH 7/9] memory: samsung: exynos5422-dmc: Replace deprecated 'devfreq-events' property Date: Thu, 19 Dec 2019 21:19:17 +0100 Message-ID: <20191219201917.GA21576@kozik-lap> References: <20191217055738.28445-1-cw00.choi@samsung.com> <20191217055738.28445-8-cw00.choi@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: <20191217055738.28445-8-cw00.choi@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Chanwoo Choi Cc: robh+dt@kernel.org, mark.rutland@arm.com, heiko@sntech.de, leonard.crestez@nxp.com, lukasz.luba@arm.com, a.swigon@samsung.com, m.szyprowski@samsung.com, kgene@kernel.org, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org On Tue, Dec 17, 2019 at 02:57:36PM +0900, Chanwoo Choi wrote: > In order to remove the deprecated 'devfreq-events' property, replace with > new 'exynos,ppmu-device' property in order to get the devfreq-event device > in devicetree file instead of 'devfreq-events' property. But, to guarantee > the backward-compatibility, keep the support 'devfreq-events' property. > > Signed-off-by: Chanwoo Choi > --- > .../memory-controllers/exynos5422-dmc.txt | 6 ++-- > drivers/memory/samsung/exynos5422-dmc.c | 29 +++++++++++++++---- > 2 files changed, 26 insertions(+), 9 deletions(-) In general looks good for me but I need an ack from Rob. Patch should be also split and sent as one of first in the series (before code). > > diff --git a/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt b/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt > index 02e4a1f862f1..1e1b3702f045 100644 > --- a/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt > +++ b/Documentation/devicetree/bindings/memory-controllers/exynos5422-dmc.txt > @@ -17,14 +17,14 @@ Required properties for DMC device for Exynos5422: > - clock-names : should include "fout_spll", "mout_sclk_spll", "ff_dout_spll2", > "fout_bpll", "mout_bpll", "sclk_bpll", "mout_mx_mspll_ccore", > "mout_mclk_cdrex" entries > -- devfreq-events : phandles for PPMU devices connected to this DMC. > +- exynos,ppmu-device : phandles for PPMU devices connected to this DMC. > - vdd-supply : phandle for voltage regulator which is connected. > - reg : registers of two CDREX controllers. > - operating-points-v2 : phandle for OPPs described in v2 definition. > - device-handle : phandle of the connected DRAM memory device. For more > information please refer to documentation file: > Documentation/devicetree/bindings/ddr/lpddr3.txt > -- devfreq-events : phandles of the PPMU events used by the controller. > +- exynos,ppmu-device : phandles of the PPMU events used by the controller. > - samsung,syscon-clk : phandle of the clock register set used by the controller, > these registers are used for enabling a 'pause' feature and are not > exposed by clock framework but they must be used in a safe way. > @@ -73,7 +73,7 @@ Example: > "mout_mx_mspll_ccore", > "mout_mclk_cdrex"; > operating-points-v2 = <&dmc_opp_table>; > - devfreq-events = <&ppmu_event3_dmc0_0>, <&ppmu_event3_dmc0_1>, > + exynos,ppmu-device = <&ppmu_event3_dmc0_0>, <&ppmu_event3_dmc0_1>, > <&ppmu_event3_dmc1_0>, <&ppmu_event3_dmc1_1>; Indentation is broken here. Best regards, Krzysztof