Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752495AbdLKHu4 (ORCPT ); Mon, 11 Dec 2017 02:50:56 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:52225 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751965AbdLKHuP (ORCPT ); Mon, 11 Dec 2017 02:50:15 -0500 From: =?UTF-8?q?Myl=C3=A8ne=20Josserand?= To: maxime.ripard@free-electrons.com, wens@csie.org, linux@armlinux.org.uk, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, mylene.josserand@free-electrons.com, thomas.petazzoni@free-electrons.com Subject: [PATCH 4/4] arm: dts: sun8i: a83t: Set timer node to use phy timer Date: Mon, 11 Dec 2017 08:50:01 +0100 Message-Id: <20171211075001.6100-5-mylene.josserand@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171211075001.6100-1-mylene.josserand@free-electrons.com> References: <20171211075001.6100-1-mylene.josserand@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 972 Lines: 27 By default, virtual timers are used. These timers need an offset that must be set by firmware, for example. In case of SMP support, after a reset, this offset is in "unknown" state and produced a hang of the kernel. Use "arm,cpu-registers-not-fw-configured" property allows to use physical timers instead of virtual ones. Signed-off-by: Mylène Josserand --- arch/arm/boot/dts/sun8i-a83t.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi index 3e2aad537972..0fe4b9e5dee1 100644 --- a/arch/arm/boot/dts/sun8i-a83t.dtsi +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi @@ -121,6 +121,7 @@ , , ; + arm,cpu-registers-not-fw-configured; }; clocks { -- 2.11.0