From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751145AbeDOEgy (ORCPT ); Sun, 15 Apr 2018 00:36:54 -0400 Received: from mail-pg0-f68.google.com ([74.125.83.68]:42400 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750704AbeDOEgw (ORCPT ); Sun, 15 Apr 2018 00:36:52 -0400 X-Google-Smtp-Source: AIpwx48xfyTUoJg6BE22FdntGQK9dqeRwlvVdm9pfE9ZgGWFDm/v5IpF7K3SRG5KAdvVXk5ilPVHPQ== From: Yaodong Liu To: Heiko Stuebner Cc: Rob Herring , Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yaodong Liu Subject: [PATCH] ARM: dts: rockchip: disable arm_global_timer for rk3066a Date: Sun, 15 Apr 2018 12:35:55 +0800 Message-Id: <1523766955-9001-1-git-send-email-my375229675@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The arm_global_timer provides unstable clock to sched_clock, it will be selected by default instead of rockchip_timer. The same issue has been fixed in rk3188. So we must disable arm_global_timer to get the correct clocksource. Signed-off-by: Yaodong Liu --- arch/arm/boot/dts/rk3066a.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi index 06523ca..1920f93 100644 --- a/arch/arm/boot/dts/rk3066a.dtsi +++ b/arch/arm/boot/dts/rk3066a.dtsi @@ -749,3 +749,7 @@ &emac { compatible = "rockchip,rk3066-emac"; }; + +&global_timer { + status = "disabled"; +}; -- 2.7.4