[PATCH v5 08/14] coresight: trace id: Remove legacy get trace ID function.
Mike Leach
mike.leach at linaro.org
Tue Nov 1 09:30:57 PDT 2022
Removes legacy coresight_get_trace_id() function now its use has been
removed from the ETM code.
Signed-off-by: Mike Leach <mike.leach at linaro.org>
---
include/linux/coresight-pmu.h | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h
index ffff4e6277e5..624f4843453e 100644
--- a/include/linux/coresight-pmu.h
+++ b/include/linux/coresight-pmu.h
@@ -8,7 +8,6 @@
#define _LINUX_CORESIGHT_PMU_H
#define CORESIGHT_ETM_PMU_NAME "cs_etm"
-#define CORESIGHT_ETM_PMU_SEED 0x10
/*
* The legacy Trace ID system based on fixed calculation from the cpu
@@ -44,15 +43,4 @@
#define ETM4_CFG_BIT_RETSTK 12
#define ETM4_CFG_BIT_VMID_OPT 15
-static inline int coresight_get_trace_id(int cpu)
-{
- /*
- * A trace ID of value 0 is invalid, so let's start at some
- * random value that fits in 7 bits and go from there. Since
- * the common convention is to have data trace IDs be I(N) + 1,
- * set instruction trace IDs as a function of the CPU number.
- */
- return (CORESIGHT_ETM_PMU_SEED + (cpu * 2));
-}
-
#endif
--
2.17.1
More information about the linux-arm-kernel
mailing list