Messages in this thread Patch in this message | | | From | Soren Brinkmann <> | Subject | [PATCH v4 3/4] arm: zynq: Don't use arm_global_timer with cpufreq | Date | Wed, 19 Feb 2014 15:14:43 -0800 |
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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 <linux@arm.linux.org.uk> Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> --- v4: - no change
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 -- 1.9.0.1.g4196000
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