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b8e243431f
We're currently inconsistent with respect to our accesses to the physical and virtual counters, mixing and matching the two. This patch introduces and uses a function pointer for accessing the correct counter based on whether we're using physical or virtual interrupts. All current accesses to the counter accessors are redirected through it. When the driver is moved out to drivers/clocksource, there's the possibility that code called before the timer code is initialised will attempt to call arch_timer_read_counter (e.g. sched_clock for AArch64). To avoid having to have to check whether the timer has been initialised either in arch_timer_read_counter or one of it's callers, a default implementation is assigned that simply returns 0. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> |
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