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From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: robh+dt@kernel.org
Cc: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, will@kernel.org,
	robin.murphy@arm.com, joro@8bytes.org, mark.rutland@arm.com,
	jkchen@linux.alibaba.com, leo.yan@linaro.org,
	uchida.jun@socionext.com,
	Jean-Philippe Brucker <jean-philippe@linaro.org>
Subject: [PATCH v2 2/3] perf/smmuv3: Add devicetree support
Date: Wed, 17 Nov 2021 14:48:44 +0000	[thread overview]
Message-ID: <20211117144844.241072-3-jean-philippe@linaro.org> (raw)
In-Reply-To: <20211117144844.241072-1-jean-philippe@linaro.org>

Add device-tree support to the SMMUv3 PMCG driver.

Signed-off-by: Jay Chen <jkchen@linux.alibaba.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/perf/arm_smmuv3_pmu.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index 226348822ab3..19697617153a 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -47,6 +47,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/msi.h>
+#include <linux/of.h>
 #include <linux/perf_event.h>
 #include <linux/platform_device.h>
 #include <linux/smp.h>
@@ -834,7 +835,8 @@ static int smmu_pmu_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	smmu_pmu_get_acpi_options(smmu_pmu);
+	if (!dev->of_node)
+		smmu_pmu_get_acpi_options(smmu_pmu);
 
 	/* Pick one CPU to be the preferred one to use */
 	smmu_pmu->on_cpu = raw_smp_processor_id();
@@ -884,9 +886,16 @@ static void smmu_pmu_shutdown(struct platform_device *pdev)
 	smmu_pmu_disable(&smmu_pmu->pmu);
 }
 
+static const struct of_device_id smmu_pmu_of_match[] = {
+	{ .compatible = "arm,smmu-v3-pmcg" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, smmu_pmu_of_match);
+
 static struct platform_driver smmu_pmu_driver = {
 	.driver = {
 		.name = "arm-smmu-v3-pmcg",
+		.of_match_table = of_match_ptr(smmu_pmu_of_match),
 		.suppress_bind_attrs = true,
 	},
 	.probe = smmu_pmu_probe,
-- 
2.33.1


WARNING: multiple messages have this Message-ID (diff)
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: robh+dt@kernel.org
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	robin.murphy@arm.com, iommu@lists.linux-foundation.org,
	uchida.jun@socionext.com, leo.yan@linaro.org, will@kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/3] perf/smmuv3: Add devicetree support
Date: Wed, 17 Nov 2021 14:48:44 +0000	[thread overview]
Message-ID: <20211117144844.241072-3-jean-philippe@linaro.org> (raw)
In-Reply-To: <20211117144844.241072-1-jean-philippe@linaro.org>

Add device-tree support to the SMMUv3 PMCG driver.

Signed-off-by: Jay Chen <jkchen@linux.alibaba.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/perf/arm_smmuv3_pmu.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index 226348822ab3..19697617153a 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -47,6 +47,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/msi.h>
+#include <linux/of.h>
 #include <linux/perf_event.h>
 #include <linux/platform_device.h>
 #include <linux/smp.h>
@@ -834,7 +835,8 @@ static int smmu_pmu_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	smmu_pmu_get_acpi_options(smmu_pmu);
+	if (!dev->of_node)
+		smmu_pmu_get_acpi_options(smmu_pmu);
 
 	/* Pick one CPU to be the preferred one to use */
 	smmu_pmu->on_cpu = raw_smp_processor_id();
@@ -884,9 +886,16 @@ static void smmu_pmu_shutdown(struct platform_device *pdev)
 	smmu_pmu_disable(&smmu_pmu->pmu);
 }
 
+static const struct of_device_id smmu_pmu_of_match[] = {
+	{ .compatible = "arm,smmu-v3-pmcg" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, smmu_pmu_of_match);
+
 static struct platform_driver smmu_pmu_driver = {
 	.driver = {
 		.name = "arm-smmu-v3-pmcg",
+		.of_match_table = of_match_ptr(smmu_pmu_of_match),
 		.suppress_bind_attrs = true,
 	},
 	.probe = smmu_pmu_probe,
-- 
2.33.1

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: robh+dt@kernel.org
Cc: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, will@kernel.org,
	robin.murphy@arm.com, joro@8bytes.org, mark.rutland@arm.com,
	jkchen@linux.alibaba.com, leo.yan@linaro.org,
	uchida.jun@socionext.com,
	Jean-Philippe Brucker <jean-philippe@linaro.org>
Subject: [PATCH v2 2/3] perf/smmuv3: Add devicetree support
Date: Wed, 17 Nov 2021 14:48:44 +0000	[thread overview]
Message-ID: <20211117144844.241072-3-jean-philippe@linaro.org> (raw)
In-Reply-To: <20211117144844.241072-1-jean-philippe@linaro.org>

Add device-tree support to the SMMUv3 PMCG driver.

Signed-off-by: Jay Chen <jkchen@linux.alibaba.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/perf/arm_smmuv3_pmu.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index 226348822ab3..19697617153a 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -47,6 +47,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/msi.h>
+#include <linux/of.h>
 #include <linux/perf_event.h>
 #include <linux/platform_device.h>
 #include <linux/smp.h>
@@ -834,7 +835,8 @@ static int smmu_pmu_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	smmu_pmu_get_acpi_options(smmu_pmu);
+	if (!dev->of_node)
+		smmu_pmu_get_acpi_options(smmu_pmu);
 
 	/* Pick one CPU to be the preferred one to use */
 	smmu_pmu->on_cpu = raw_smp_processor_id();
@@ -884,9 +886,16 @@ static void smmu_pmu_shutdown(struct platform_device *pdev)
 	smmu_pmu_disable(&smmu_pmu->pmu);
 }
 
+static const struct of_device_id smmu_pmu_of_match[] = {
+	{ .compatible = "arm,smmu-v3-pmcg" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, smmu_pmu_of_match);
+
 static struct platform_driver smmu_pmu_driver = {
 	.driver = {
 		.name = "arm-smmu-v3-pmcg",
+		.of_match_table = of_match_ptr(smmu_pmu_of_match),
 		.suppress_bind_attrs = true,
 	},
 	.probe = smmu_pmu_probe,
-- 
2.33.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-11-17 14:52 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-17 14:48 [PATCH v2 0/3] perf/smmuv3: Support devicetree Jean-Philippe Brucker
2021-11-17 14:48 ` Jean-Philippe Brucker
2021-11-17 14:48 ` Jean-Philippe Brucker
2021-11-17 14:48 ` [PATCH v2 1/3] dt-bindings: Add Arm SMMUv3 PMCG binding Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48 ` Jean-Philippe Brucker [this message]
2021-11-17 14:48   ` [PATCH v2 2/3] perf/smmuv3: Add devicetree support Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48 ` [PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-11-17 14:48   ` Jean-Philippe Brucker
2021-12-07  9:14   ` John Garry
2021-12-07  9:14     ` John Garry
2021-12-07  9:14     ` John Garry via iommu
2021-12-07 12:04     ` Robin Murphy
2021-12-07 12:04       ` Robin Murphy
2021-12-07 12:04       ` Robin Murphy
2021-12-07 12:28       ` John Garry
2021-12-07 12:28         ` John Garry
2021-12-07 12:28         ` John Garry via iommu
2021-12-07 12:48         ` Robin Murphy
2021-12-07 12:48           ` Robin Murphy
2021-12-07 12:48           ` Robin Murphy
2021-12-07 13:20           ` Leo Yan
2021-12-07 13:20             ` Leo Yan
2021-12-07 13:20             ` Leo Yan
2021-12-07 13:46             ` Robin Murphy
2021-12-07 13:46               ` Robin Murphy
2021-12-07 13:46               ` Robin Murphy
2021-12-07 13:59               ` Leo Yan
2021-12-07 13:59                 ` Leo Yan
2021-12-07 13:59                 ` Leo Yan
2021-12-07 14:00                 ` John Garry
2021-12-07 14:00                   ` John Garry
2021-12-07 14:00                   ` John Garry via iommu
2021-12-07 14:04                   ` Leo Yan
2021-12-07 14:04                     ` Leo Yan
2021-12-07 14:04                     ` Leo Yan
2021-12-14 14:04 ` [PATCH v2 0/3] perf/smmuv3: Support devicetree Will Deacon
2021-12-14 14:04   ` Will Deacon
2021-12-14 14:04   ` Will Deacon

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