From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756117AbaCKWlS (ORCPT ); Tue, 11 Mar 2014 18:41:18 -0400 Received: from mail-wg0-f48.google.com ([74.125.82.48]:34890 "EHLO mail-wg0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756003AbaCKWlP (ORCPT ); Tue, 11 Mar 2014 18:41:15 -0400 From: Daniel Lezcano To: tglx@linutronix.de, mingo@kernel.org Cc: linux-kernel@vger.kernel.org, dan.carpenter@oracle.com, ezequiel.garcia@free-electrons.com, ivan.khoronzhuk@ti.com, linus.walleij@linaro.org, magnus.damm@gmail.com, matthias.bgg@gmail.com, soren.brinkmann@xilinx.com, sboyd@codeaurora.org Subject: [PATCH 15/17] arm: zynq: Don't use arm_global_timer with cpufreq Date: Tue, 11 Mar 2014 23:40:51 +0100 Message-Id: <1394577653-8615-15-git-send-email-daniel.lezcano@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1394577653-8615-1-git-send-email-daniel.lezcano@linaro.org> References: <531F8FAC.2040902@linaro.org> <1394577653-8615-1-git-send-email-daniel.lezcano@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Soren Brinkmann 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 Signed-off-by: Daniel Lezcano Acked-by: Michal Simek --- 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 6b04260..f84fab1 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 -- 1.7.9.5