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

[Arnd Bergmann]

On Friday 07 September 2012, Catalin Marinas 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>

Acked-by: Arnd Bergmann <arnd at arndb.de>