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Tue, 14 Oct 2025 08:04:40 -0700 (PDT) From: Nick Chan Date: Tue, 14 Oct 2025 23:02:39 +0800 Subject: [PATCH RESEND v8 06/21] drivers/perf: apple_m1: Support per-implementation PMU startup Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251014-apple-cpmu-v8-6-3f94d4a2a285@gmail.com> References: <20251014-apple-cpmu-v8-0-3f94d4a2a285@gmail.com> In-Reply-To: <20251014-apple-cpmu-v8-0-3f94d4a2a285@gmail.com> To: Will Deacon , Mark Rutland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Sven Peter Cc: Marc Zyngier , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, devicetree@vger.kernel.org, asahi@lists.linux.dev, linux-kernel@vger.kernel.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2178; 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fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Support for implementations that deliver its interrupts in ways other than FIQ will be added, which requires a per-implementation startup function. Signed-off-by: Nick Chan --- drivers/perf/apple_m1_cpu_pmu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pm= u.c index fb2759069fe9e47146f0342fa46e40f3ab836926..303c0e62432281e899a33fc1973= 65c70078d6ac1 100644 --- a/drivers/perf/apple_m1_cpu_pmu.c +++ b/drivers/perf/apple_m1_cpu_pmu.c @@ -659,7 +659,6 @@ static int apple_pmu_init(struct arm_pmu *cpu_pmu, u32 = counters) cpu_pmu->read_counter =3D m1_pmu_read_counter; cpu_pmu->write_counter =3D m1_pmu_write_counter; cpu_pmu->clear_event_idx =3D m1_pmu_clear_event_idx; - cpu_pmu->start =3D m1_pmu_start; cpu_pmu->stop =3D m1_pmu_stop; cpu_pmu->set_event_filter =3D m1_pmu_set_event_filter; =20 @@ -681,6 +680,7 @@ static int m1_pmu_ice_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx =3D m1_pmu_get_event_idx; cpu_pmu->map_event =3D m1_pmu_map_event; cpu_pmu->reset =3D m1_pmu_reset; + cpu_pmu->start =3D m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } =20 @@ -690,6 +690,7 @@ static int m1_pmu_fire_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx =3D m1_pmu_get_event_idx; cpu_pmu->map_event =3D m1_pmu_map_event; cpu_pmu->reset =3D m1_pmu_reset; + cpu_pmu->start =3D m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } =20 @@ -699,6 +700,7 @@ static int m2_pmu_avalanche_init(struct arm_pmu *cpu_pm= u) cpu_pmu->get_event_idx =3D m1_pmu_get_event_idx; cpu_pmu->map_event =3D m2_pmu_map_event; cpu_pmu->reset =3D m1_pmu_reset; + cpu_pmu->start =3D m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } =20 @@ -708,6 +710,7 @@ static int m2_pmu_blizzard_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx =3D m1_pmu_get_event_idx; cpu_pmu->map_event =3D m2_pmu_map_event; cpu_pmu->reset =3D m1_pmu_reset; + cpu_pmu->start =3D m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } =20 --=20 2.51.0