Now ARM global timer driver could work even if it's source clock rate changes, so we don't need to disable that driver when cpu frequency scaling is in use.
This cause Zynq arch to get support for timer delay and get_cycles(). Signed-off-by: Andrea Merello <[email protected]> Cc: Patrice Chotard <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Michal Simek <[email protected]> Cc: Sören Brinkmann <[email protected]> --- arch/arm/mach-zynq/Kconfig | 2 +- drivers/clocksource/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig index 43fb941dcd07..a56748d671c4 100644 --- a/arch/arm/mach-zynq/Kconfig +++ b/arch/arm/mach-zynq/Kconfig @@ -6,7 +6,7 @@ config ARCH_ZYNQ select ARCH_SUPPORTS_BIG_ENDIAN select ARM_AMBA select ARM_GIC - select ARM_GLOBAL_TIMER if !CPU_FREQ + select ARM_GLOBAL_TIMER select CADENCE_TTC_TIMER select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 19fc5f8883e0..9fa28237715a 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -360,6 +360,7 @@ config ARM_GLOBAL_TIMER config ARM_GT_INITIAL_PRESCALER_VAL int "ARM global timer initial prescaler value" + default 2 if ARCH_ZYNQ default 1 depends on ARM_GLOBAL_TIMER help -- 2.17.1
