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authorAnshuman Khandual <anshuman.khandual@arm.com>2022-12-02 02:56:11 +0100
committerWill Deacon <will@kernel.org>2022-12-02 11:15:03 +0100
commit4361251cef466839795691e2628285e3f5093a98 (patch)
tree6f4adcdad5fcf04cd3c5bb57b489e9623345af77 /drivers/perf
parentdrivers/perf: hisi: Add TLP filter support (diff)
downloadlinux-4361251cef466839795691e2628285e3f5093a98.tar.xz
linux-4361251cef466839795691e2628285e3f5093a98.zip
arm_pmu: Drop redundant armpmu->map_event() in armpmu_event_init()
__hw_perf_event_init() already calls armpmu->map_event() callback, and also returns its error code including -ENOENT, along with a debug callout. Hence an additional armpmu->map_event() check for -ENOENT is redundant. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Link: https://lore.kernel.org/r/20221202015611.338499-1-anshuman.khandual@arm.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/arm_pmu.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 3f07df5a7e95..ed89748b1612 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -514,9 +514,6 @@ static int armpmu_event_init(struct perf_event *event)
if (has_branch_stack(event))
return -EOPNOTSUPP;
- if (armpmu->map_event(event) == -ENOENT)
- return -ENOENT;
-
return __hw_perf_event_init(event);
}