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[61.92.221.177]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-b422bb1133fsm23585496a12.56.2025.08.11.06.55.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 06:55:48 -0700 (PDT) From: Nick Chan Date: Mon, 11 Aug 2025 21:54:38 +0800 Subject: [PATCH v8 06/21] drivers/perf: apple_m1: Support per-implementation PMU startup Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250811-apple-cpmu-v8-6-c560ebd9ca46@gmail.com> References: <20250811-apple-cpmu-v8-0-c560ebd9ca46@gmail.com> In-Reply-To: <20250811-apple-cpmu-v8-0-c560ebd9ca46@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; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=MBYkOMp8zRY3vG74r0/6XW89V1iPdN6l9V1/vB4q2xk=; b=owEBbQKS/ZANAwAKAQHKCLemxQgkAcsmYgBomfZBt0TVBcxz/c5qr7JmkQBF5U88g5YmXrAFU 387FXSG2faJAjMEAAEKAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCaJn2QQAKCRABygi3psUI JMdqEACWf9cYzVRAvPO4kE63gH5ewqMqVwB6jD1J+tfwEiXp+Fr7BHWs67QTeMB1RvNG3dXs+zx 8LYbi7RNJ9O1fpDHGdrxl7GREHlp3U7Fc1GpP4OZJS68TxsDbB+tPSy/i6lGK1H8E3zJvQ1LlXu Fl/WZQI7Qfx9lR5WoTjeV3PjAGmCWjj1Kvuw9tA9ortgG5KKU8uST4yxb/hwdTIJiRFoz4rwQsB oBuaimMRGBFV6z2vC7N+B18V4+kOFiwLzl5Up3okjP0C4OcSMA6W8kBrnQoVGHnjHr//s6cmSBT 4woRXP0MQkbu4ueQhA/fgJCub55EzKWfxIA0IgdmE9xHoj5mrVIsAt5WiAHiSgSXqFmO7AzqJcT fLgvZZJjddkfFJTsvGZ0TPOeUvBGOUcK0i85bpqdTpd2E9MdFBNxlrtDwmny1o6oo527I/7msbd 3nWgozb0k5bRBgQgadcrYHbZyWSQY8GdCQJEgpe86+uwMiLAR81Xn5SVcaRHz2ckmixDJhNTIqZ ds2iEckJkQVKP3BW/Dp1ptrx0n4SHqi590VzWSRdCSOjIXuEPJd17F1uFU4u+aBsS7C5KFmloed dGG8Eg1ZZmZZYfHmtNXIPpK014nExmv5LchT02piUGLTv5xkfxsNgQlnpjhyN4Uep2iZi0lOLtV 5J9LY8BGXyzbHTQ== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; 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_pmu.c index fb2759069fe9e47146f0342fa46e40f3ab836926..303c0e62432281e899a33fc197365c70078d6ac1 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 = m1_pmu_read_counter; cpu_pmu->write_counter = m1_pmu_write_counter; cpu_pmu->clear_event_idx = m1_pmu_clear_event_idx; - cpu_pmu->start = m1_pmu_start; cpu_pmu->stop = m1_pmu_stop; cpu_pmu->set_event_filter = m1_pmu_set_event_filter; @@ -681,6 +680,7 @@ static int m1_pmu_ice_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx = m1_pmu_get_event_idx; cpu_pmu->map_event = m1_pmu_map_event; cpu_pmu->reset = m1_pmu_reset; + cpu_pmu->start = m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } @@ -690,6 +690,7 @@ static int m1_pmu_fire_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx = m1_pmu_get_event_idx; cpu_pmu->map_event = m1_pmu_map_event; cpu_pmu->reset = m1_pmu_reset; + cpu_pmu->start = m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } @@ -699,6 +700,7 @@ static int m2_pmu_avalanche_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx = m1_pmu_get_event_idx; cpu_pmu->map_event = m2_pmu_map_event; cpu_pmu->reset = m1_pmu_reset; + cpu_pmu->start = m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } @@ -708,6 +710,7 @@ static int m2_pmu_blizzard_init(struct arm_pmu *cpu_pmu) cpu_pmu->get_event_idx = m1_pmu_get_event_idx; cpu_pmu->map_event = m2_pmu_map_event; cpu_pmu->reset = m1_pmu_reset; + cpu_pmu->start = m1_pmu_start; return apple_pmu_init(cpu_pmu, M1_PMU_NR_COUNTERS); } -- 2.50.1