From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753664AbaBCWfJ (ORCPT ); Mon, 3 Feb 2014 17:35:09 -0500 Received: from mail-qa0-f49.google.com ([209.85.216.49]:44189 "EHLO mail-qa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753393AbaBCWfD (ORCPT ); Mon, 3 Feb 2014 17:35:03 -0500 From: Soren Brinkmann To: Thomas Gleixner , Daniel Lezcano , Michal Simek Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, =?UTF-8?q?S=C3=B6ren=20Brinkmann?= , Russell King Subject: [PATCH v3 6/7] arm: zynq: Don't use arm_global_timer with cpufreq Date: Mon, 3 Feb 2014 14:34:36 -0800 Message-Id: <1391466877-28908-7-git-send-email-soren.brinkmann@xilinx.com> X-Mailer: git-send-email 1.8.5.3 In-Reply-To: <1391466877-28908-1-git-send-email-soren.brinkmann@xilinx.com> References: <1391466877-28908-1-git-send-email-soren.brinkmann@xilinx.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The timer frequency of the arm_global_timer depends on the CPU frequency. With cpufreq altering that frequency the arm_global_timer does not maintain a stable time base. Therefore don't enable that timer in case cpufreq is enabled. Cc: Russell King Signed-off-by: Soren Brinkmann --- arch/arm/mach-zynq/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig index 6b04260aa142..f84fab14f0b7 100644 --- a/arch/arm/mach-zynq/Kconfig +++ b/arch/arm/mach-zynq/Kconfig @@ -13,6 +13,6 @@ config ARCH_ZYNQ select HAVE_SMP select SPARSE_IRQ select CADENCE_TTC_TIMER - select ARM_GLOBAL_TIMER + select ARM_GLOBAL_TIMER if !CPU_FREQ help Support for Xilinx Zynq ARM Cortex A9 Platform -- 1.8.5.3