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Wed, 2 Oct 2019 06:05:06 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20191002060506eusmtrp2eaee2dd30c61388f9b0a599dc2edd12f~Jv1KKwCew0112001120eusmtrp24; Wed, 2 Oct 2019 06:05:06 +0000 (GMT) X-AuditID: cbfec7f4-afbff700000010d5-60-5d943e126bc1 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 60.24.04166.21E349D5; Wed, 2 Oct 2019 07:05:06 +0100 (BST) Received: from AMDC3778.digital.local (unknown [106.120.51.20]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20191002060505eusmtip2fac233f17aa68714e6d59812cf48e561~Jv1JTt1rw0033000330eusmtip2D; Wed, 2 Oct 2019 06:05:05 +0000 (GMT) From: Lukasz Luba To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: b.zolnierkie@samsung.com, krzk@kernel.org, kgene@kernel.org, mark.rutland@arm.com, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, robh+dt@kernel.org, willy.mh.wolff.ml@gmail.com, Lukasz Luba Subject: [PATCH v3 3/4] ARM: dts: exynos: map 0x10000 SFR instead of 0x100 in DMC Exynos5422 Date: Wed, 2 Oct 2019 08:04:54 +0200 Message-Id: <20191002060455.3834-4-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191002060455.3834-1-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSa0hTYRju29m5aE6OU/RzWeIgqTCtVPpKMwOLBUIRQWBorTyoeN9xliU0 Q8tJanhJkUxNTZuGtnTeo+ZISdSGoJKJtx+B99S85LB22rH+Pe9zeZ+Xj4/CxM24hIqKS2IU cfIYKWEt1H3aGjgqDigIPaZa8UBvixtwNLL2HUdlhgEc5c7MYWhwsJFE/Q/nSfRV5YK0M8M4 Gmp/TqDVbANAxYPvBeiNYZxE1SNGARpLqyVQRpeBRN3zj3G03jsNAu1k9S/qgaytZJyUaTVq Qvau6oHs42KnQJbTpAGyVe2By2SItX84ExOVzCi8Am5aRy4vpYOEafLuq8KXhAp0EFnAioK0 DzROVZixNSWmawHsn1ELLMMagNOZOcAyrJoVU7pgN7Ixm867agDc2NaDf5FldatZoSiC9oSt mkQu4EBXArjeHcJ5MFongJOadZwT7OkwmPGr6+8hQvogzBidEHJYRAfAXpNJaGlzhXWNHzAO W9Fn4eLEKMYtgvRnElY3bwOLKQiub47wAXs429NEWrAL/N1Wxp/NQlV2Be9PhTO5pbzHD3b3 GHHuaIw+DBvavSz0OWjoXMY4GtK2cHTBjqMxM8zTFfG0CGY+Elvch2DTky98kSOsqX/GL5fB qpYS/q3yAOwdLwBPgWvJ/7JyADTAiVGysREMeyKOuePJymNZZVyE5+34WC0wf6a+nZ61VtBu uqUHNAWkNiLVlfxQMS5PZlNi9QBSmNRB5G/KCxWLwuUp9xhF/A2FMoZh9WAfJZQ6ie7vmbwu piPkSUw0wyQwil1VQFlJVEAZovFounjB9/VydN+Wd6Bv3cCUW4X+p6MkJssQpM1vWEgpLAr4 Id3xVbc0EO6baZSR6Kg0OQ+X0rZGZfeKtzu2oPZ1XOr7VpOTOLd36FLQ+ZMFY7pKKu/qmVSv 0hzJ6fnyoWD9QovfoI9XsMkpNHpKnKQANqfcnPfLr4UZaqVCNlJ+/AimYOV/AER5huVIAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprOIsWRmVeSWpSXmKPExsVy+t/xe7pCdlNiDVb85rfYOGM9q8X1L89Z LeYfOcdq0f/4NbPF+fMb2C3ONr1ht7jVIGOx6fE1VovLu+awWXzuPcJoMeP8PiaLtUfuslss vX6RyeJ24wo2i9a9R9gtDr9pZ7X4duIRo4Ogx5p5axg9ds66y+6xaVUnm8fmJfUeB9/tYfLo 27KK0ePzJrkA9ig9m6L80pJUhYz84hJbpWhDCyM9Q0sLPSMTSz1DY/NYKyNTJX07m5TUnMyy 1CJ9uwS9jA/vWxgLHrFXLJu6iK2BcTdbFyMnh4SAicT3Vy1MXYxcHEICSxklJv39zgyREJOY tG87O4QtLPHnWhcbRNEnRomdP1+zdDFycLAJ6EnsWFUIEhcRWM4ocWzVW2YQh1ngCJPE0dXX GEG6hQViJJb8/gm2jkVAVaL1xn0WEJtXwE7ixJ8/LBAb5CVWbzgAtplTwF7i3f0bzCALhIBq /p+pnMDIt4CRYRWjSGppcW56brGhXnFibnFpXrpecn7uJkZgpGw79nPzDsZLG4MPMQpwMCrx 8DYETY4VYk0sK67MPcQowcGsJMJr82dSrBBvSmJlVWpRfnxRaU5q8SFGU6CbJjJLiSbnA6M4 ryTe0NTQ3MLS0NzY3NjMQkmct0PgYIyQQHpiSWp2ampBahFMHxMHp1QDo6igfm/kRsUAR9vi /301pryb/t2Jq9j/fdUBgZqpre8ZBJ+2p+7p9ahWDXoySeBv0pNkka1u58MsVrdK9HZ9/P5y q4GhoEQ/Z2yD43+Nfp1FPxnsUj3Wlr99Ov38lYLnkg4PVm3iWl8hu+xOvcSTmLDmLuOeHet+ M3o1qLgeFG24NGmb9Ku/SizFGYmGWsxFxYkAP+hTaKoCAAA= X-CMS-MailID: 20191002060506eucas1p28c9670128f5adfb628d7e84ce55c6e60 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20191002060506eucas1p28c9670128f5adfb628d7e84ce55c6e60 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191002060506eucas1p28c9670128f5adfb628d7e84ce55c6e60 References: <20191002060455.3834-1-l.luba@partner.samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is a need to access registers at address offset near 0x10000. These registers are private DMC performance counters, which might be used as interrupt trigger when overflow. Potential usage is to skip polling in devfreq framework and switch to interrupt managed bandwidth control. Signed-off-by: Lukasz Luba --- arch/arm/boot/dts/exynos5420.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index 98f6c71f57d8..c829bbdc5711 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -239,7 +239,7 @@ dmc: memory-controller@10c20000 { compatible = "samsung,exynos5422-dmc"; - reg = <0x10c20000 0x100>, <0x10c30000 0x100>; + reg = <0x10c20000 0x10000>, <0x10c30000 0x10000>; interrupt-parent = <&combiner>; interrupts = <16 0>, <16 1>; interrupt-names = "drex_0", "drex_1"; -- 2.17.1