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CCPI2 is a low-latency high-bandwidth serial interface for inter socket connectivity of ThunderX2 processors. CCPI2 PMU supports up to 8 counters per socket. Counters are independently programmable to different events and can be started and stopped individually. The CCPI2 counters are 64-bit and do not overflow in normal operation. Signed-off-by: Ganapatrao Prabhakerrao Kulkarni <gkulkarni@marvell.com> Signed-off-by: Will Deacon <will@kernel.org>