[PATCH] clocksource/drivers/arm_arch_timer: Use event stream scaling when available

[Daniel Lezcano]

On 03/02/2022 18:05, Marc Zyngier wrote:
> With FEAT_ECV and the 1GHz counter, it is pretty likely that the
> event stream divider doesn't fit in the field that holds the
> divider value (we only have 4 bits to describe counter bits [15:0]
> 
> Thankfully, FEAT_ECV also provides a scaling mechanism to switch
> the field to cover counter bits [23:8] instead.
> 
> Enable this on arm64 when ECV is available (32bit doesn't have
> any detection infrastructure and is unlikely to be run on an
> ARMv8.6 system anyway).
> 
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> Cc: Mark Rutland <mark.rutland at arm.com>
> Cc: Daniel Lezcano <daniel.lezcano at linaro.org>
> ---

Applied, thanks


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