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IronPort-SDR: l53MgwORql/xWR6jYqLcu8d/dtPfsPaCpd0bcIWfhP5FaL3KCsLWQczW7Z9BfVpyydrvhrR3FG 2PyQLzcN/vikE4k+FU4wpe3s6+H5kq3ratEVnI22IPSl4ak9Pr0Q3SPxhsg6Rzk+aAa4MQTlND +lw5pYxZzviPcFMVYqgbFGBOC9AwEe3AvUrw+bHUYIsNDdxU0j9Az9MVrGcoZp0lSaR9jNZfZZ LksqNJxiTns3YDgGi8GtIYJJXC+N6EvKgc4Ldb9v0TOvS1sZZzSi/Z9miYmZSI8qm3pRzROG+v VXg= X-IronPort-AV: E=Sophos;i="5.78,386,1599548400"; d="scan'208";a="101103057" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 02 Dec 2020 03:27:50 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Wed, 2 Dec 2020 03:27:50 -0700 Received: from [10.171.246.74] (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Wed, 2 Dec 2020 03:27:47 -0700 Subject: Re: [PATCH 2/2] ARM: dts: at91: sama5d2: map securam as device To: Claudiu Beznea , , , References: <1606903025-14197-1-git-send-email-claudiu.beznea@microchip.com> <1606903025-14197-3-git-send-email-claudiu.beznea@microchip.com> From: Nicolas Ferre Organization: microchip Message-ID: Date: Wed, 2 Dec 2020 11:27:45 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <1606903025-14197-3-git-send-email-claudiu.beznea@microchip.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201202_052753_090842_F1182161 X-CRM114-Status: GOOD ( 17.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, sandeepsheriker.mallikarjun@microchip.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 02/12/2020 at 10:57, Claudiu Beznea wrote: > Due to strobe signal not being propagated from CPU to securam > the securam needs to be mapped as device or strongly ordered memory > to work properly. Otherwise, updating to one offset may affect > the adjacent locations in securam. > > Fixes: d4ce5f44d4409 ("ARM: dts: at91: sama5d2: Add securam node") > Signed-off-by: Claudiu Beznea Acked-by: Nicolas Ferre > --- > arch/arm/boot/dts/sama5d2.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi > index 2ddc85dff8ce..6d399ac0385d 100644 > --- a/arch/arm/boot/dts/sama5d2.dtsi > +++ b/arch/arm/boot/dts/sama5d2.dtsi > @@ -656,6 +656,7 @@ > clocks = <&pmc PMC_TYPE_PERIPHERAL 51>; > #address-cells = <1>; > #size-cells = <1>; > + no-memory-wc; > ranges = <0 0xf8044000 0x1420>; > }; > > -- Nicolas Ferre _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel