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authorSuzuki K Poulose <suzuki.poulose@arm.com>2018-07-10 11:57:58 +0300
committerWill Deacon <will.deacon@arm.com>2018-07-10 20:19:02 +0300
commit8d3e994241e6bcc7ead2b918c4f15b7683afa90a (patch)
treefb2ec1748c8748c7f38b0e077daa1c3649de31c3 /include/linux/perf
parent64b2f025715a68bed49fb14588c2d893dfbd00a8 (diff)
downloadlinux-8d3e994241e6bcc7ead2b918c4f15b7683afa90a.tar.xz
arm_pmu: Clean up maximum period handling
Each PMU defines their max_period of the counter as the maximum value that can be counted. Since all the PMU backends support 32bit counters by default, let us remove the redundant field. No functional changes. Cc: Will Deacon <will.deacon@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Reviewed-by: Julien Thierry <julien.thierry@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'include/linux/perf')
-rw-r--r--include/linux/perf/arm_pmu.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h
index ad5444491975..12c30a22fc8d 100644
--- a/include/linux/perf/arm_pmu.h
+++ b/include/linux/perf/arm_pmu.h
@@ -94,7 +94,6 @@ struct arm_pmu {
void (*reset)(void *);
int (*map_event)(struct perf_event *event);
int num_events;
- u64 max_period;
bool secure_access; /* 32-bit ARM only */
#define ARMV8_PMUV3_MAX_COMMON_EVENTS 0x40
DECLARE_BITMAP(pmceid_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS);