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From: Arnd Bergmann <arnd@arndb.de>
To: Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH v3 28/31] arm64: Generic timers support
Date: Fri, 7 Sep 2012 19:53:14 +0000
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On Friday 07 September 2012, Catalin Marinas wrote:
> From: Marc Zyngier <marc.zyngier@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@arm.com>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
> Acked-by: Tony Lindgren <tony@atomide.com>

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