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coresight: trace id: Remove legacy get trace ID function.
Removes legacy coresight_get_trace_id() function now its use has been removed from the ETM code. Signed-off-by: Mike Leach <mike.leach@linaro.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/20230116124928.5440-9-mike.leach@linaro.org
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@ -8,7 +8,6 @@
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#define _LINUX_CORESIGHT_PMU_H
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#define CORESIGHT_ETM_PMU_NAME "cs_etm"
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#define CORESIGHT_ETM_PMU_SEED 0x10
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/*
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* The legacy Trace ID system based on fixed calculation from the cpu
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@ -44,15 +43,4 @@
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#define ETM4_CFG_BIT_RETSTK 12
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#define ETM4_CFG_BIT_VMID_OPT 15
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static inline int coresight_get_trace_id(int cpu)
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{
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/*
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* A trace ID of value 0 is invalid, so let's start at some
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* random value that fits in 7 bits and go from there. Since
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* the common convention is to have data trace IDs be I(N) + 1,
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* set instruction trace IDs as a function of the CPU number.
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*/
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return (CORESIGHT_ETM_PMU_SEED + (cpu * 2));
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}
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#endif
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