From patchwork Mon Dec 28 12:48:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 353826 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3380C4332B for ; Mon, 28 Dec 2020 13:29:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95DB522583 for ; Mon, 28 Dec 2020 13:29:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390026AbgL1N3B (ORCPT ); Mon, 28 Dec 2020 08:29:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:57530 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390019AbgL1N27 (ORCPT ); Mon, 28 Dec 2020 08:28:59 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id C2FC022AAA; Mon, 28 Dec 2020 13:28:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609162124; bh=N7oWq1TSHJJXcpLjjSC+29H7BiQDeXX0UwpvMvsDtnI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LGwdwxbWjjFkxq+XdzIgS6TAmbR8CGNLqWQzi9kefcV4WQoAuJXYPzXqQqMXI8eXG nRf7l3t+1CqUU/j8vnNFNy4g0GGDcShebzxPNsJn8r+p/eDh6oLR3U0v45wx/J7KQK W2Xoli2M7IPv0IBHYqKxmAcRRlavWFgMdnYUdg4I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Claudiu Beznea , Alexandre Belloni , Nicolas Ferre , Sasha Levin Subject: [PATCH 4.19 196/346] ARM: dts: at91: sama5d2: map securam as device Date: Mon, 28 Dec 2020 13:48:35 +0100 Message-Id: <20201228124929.269707945@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228124919.745526410@linuxfoundation.org> References: <20201228124919.745526410@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Claudiu Beznea [ Upstream commit 9b5dcc8d427e2bcb84c49eb03ffefe11e7537a55 ] 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 Signed-off-by: Alexandre Belloni Acked-by: Nicolas Ferre Link: https://lore.kernel.org/r/1606903025-14197-3-git-send-email-claudiu.beznea@microchip.com Signed-off-by: Sasha Levin --- 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 b405992eb6016..d57be54f5df9c 100644 --- a/arch/arm/boot/dts/sama5d2.dtsi +++ b/arch/arm/boot/dts/sama5d2.dtsi @@ -1247,6 +1247,7 @@ clocks = <&securam_clk>; #address-cells = <1>; #size-cells = <1>; + no-memory-wc; ranges = <0 0xf8044000 0x1420>; };