[PATCH v3 28/31] arm64: Generic timers support

Shilimkar, Santosh santosh.shilimkar at ti.com
Sat Sep 8 04:28:49 EDT 2012


On Fri, Sep 7, 2012 at 9:57 PM, Catalin Marinas <catalin.marinas at arm.com> wrote:
> From: Marc Zyngier <marc.zyngier at arm.com>
>
> This patch adds support for the ARM generic timers with A64 instructions
> for accessing the timer registers. It uses the physical counter as the
> clock source and the virtual counter as sched_clock.
>
> The timer frequency can be specified via DT or read from the CNTFRQ_EL0
> register. The physical counter is also accessible from user space
> allowing fast gettimeofday() implementation.
>
> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
> Signed-off-by: Will Deacon <will.deacon at arm.com>
> Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
> Acked-by: Tony Lindgren <tony at atomide.com>
> ---
Thanks for C3STOP update.
Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>



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