[PATCHv2 3/9] arm: perf: make PMU probing data-driven

[Stephen Boyd]

On 10/27/2014 05:06 AM, Mark Rutland wrote:
> The current PMU probing logic consists of a single switch statement,
> which means that the core arm_pmu core in perf_event_cpu.c needs to know
> about every CPU PMU variant supported by a driver using the arm_pmu
> framework. This makes it rather difficult to decouple the drivers from
> the (otherwise generic) probing code.
>
> The patch refactors that switch statement to a table-driven lookup,
> separating the logic and knowledge (in the form of the table). Later
> patches will split the table across the relevant PMU drivers, which can
> pass their tables to the generic probing function.
>
> Signed-off-by: Mark Rutland <mark.rutland at arm.com>
> Reviewed-by: Will Deacon <will.deacon at arm.com>
>

Reviewed-by: Stephen Boyd <sboyd at codeaurora.org>

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