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From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org
Cc: robh+dt@kernel.org, lorenzo.pieralisi@arm.com,
	guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net,
	lenb@kernel.org, robin.murphy@arm.com,
	Jonathan.Cameron@huawei.com, eric.auger@redhat.com,
	zhangfei.gao@linaro.org, wangzhou1@hisilicon.com,
	iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
	linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Jean-Philippe Brucker <jean-philippe@linaro.org>
Subject: [PATCH v15 2/3] ACPI/IORT: Enable stall support for platform devices
Date: Wed, 26 May 2021 18:19:27 +0200	[thread overview]
Message-ID: <20210526161927.24268-3-jean-philippe@linaro.org> (raw)
In-Reply-To: <20210526161927.24268-1-jean-philippe@linaro.org>

Copy the "Stall supported" bit, that tells whether a named component
supports stall, into the dma-can-stall device property.

Acked-by: Hanjun Guo <guohanjun@huawei.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
 drivers/acpi/arm64/iort.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 3912a1f6058e..0828f70cb782 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -968,13 +968,15 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
 static void iort_named_component_init(struct device *dev,
 				      struct acpi_iort_node *node)
 {
-	struct property_entry props[2] = {};
+	struct property_entry props[3] = {};
 	struct acpi_iort_named_component *nc;
 
 	nc = (struct acpi_iort_named_component *)node->node_data;
 	props[0] = PROPERTY_ENTRY_U32("pasid-num-bits",
 				      FIELD_GET(ACPI_IORT_NC_PASID_BITS,
 						nc->node_flags));
+	if (nc->node_flags & ACPI_IORT_NC_STALL_SUPPORTED)
+		props[1] = PROPERTY_ENTRY_BOOL("dma-can-stall");
 
 	if (device_add_properties(dev, props))
 		dev_warn(dev, "Could not add device properties\n");
-- 
2.31.1


WARNING: multiple messages have this Message-ID (diff)
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org
Cc: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org,
	Jean-Philippe Brucker <jean-philippe@linaro.org>,
	guohanjun@huawei.com, rjw@rjwysocki.net,
	iommu@lists.linux-foundation.org, robh+dt@kernel.org,
	sudeep.holla@arm.com, zhangfei.gao@linaro.org,
	robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
	lenb@kernel.org
Subject: [PATCH v15 2/3] ACPI/IORT: Enable stall support for platform devices
Date: Wed, 26 May 2021 18:19:27 +0200	[thread overview]
Message-ID: <20210526161927.24268-3-jean-philippe@linaro.org> (raw)
In-Reply-To: <20210526161927.24268-1-jean-philippe@linaro.org>

Copy the "Stall supported" bit, that tells whether a named component
supports stall, into the dma-can-stall device property.

Acked-by: Hanjun Guo <guohanjun@huawei.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
 drivers/acpi/arm64/iort.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 3912a1f6058e..0828f70cb782 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -968,13 +968,15 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
 static void iort_named_component_init(struct device *dev,
 				      struct acpi_iort_node *node)
 {
-	struct property_entry props[2] = {};
+	struct property_entry props[3] = {};
 	struct acpi_iort_named_component *nc;
 
 	nc = (struct acpi_iort_named_component *)node->node_data;
 	props[0] = PROPERTY_ENTRY_U32("pasid-num-bits",
 				      FIELD_GET(ACPI_IORT_NC_PASID_BITS,
 						nc->node_flags));
+	if (nc->node_flags & ACPI_IORT_NC_STALL_SUPPORTED)
+		props[1] = PROPERTY_ENTRY_BOOL("dma-can-stall");
 
 	if (device_add_properties(dev, props))
 		dev_warn(dev, "Could not add device properties\n");
-- 
2.31.1

_______________________________________________
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: joro@8bytes.org, will@kernel.org
Cc: robh+dt@kernel.org, lorenzo.pieralisi@arm.com,
	guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net,
	lenb@kernel.org, robin.murphy@arm.com,
	Jonathan.Cameron@huawei.com, eric.auger@redhat.com,
	zhangfei.gao@linaro.org, wangzhou1@hisilicon.com,
	iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
	linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Jean-Philippe Brucker <jean-philippe@linaro.org>
Subject: [PATCH v15 2/3] ACPI/IORT: Enable stall support for platform devices
Date: Wed, 26 May 2021 18:19:27 +0200	[thread overview]
Message-ID: <20210526161927.24268-3-jean-philippe@linaro.org> (raw)
In-Reply-To: <20210526161927.24268-1-jean-philippe@linaro.org>

Copy the "Stall supported" bit, that tells whether a named component
supports stall, into the dma-can-stall device property.

Acked-by: Hanjun Guo <guohanjun@huawei.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
---
 drivers/acpi/arm64/iort.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 3912a1f6058e..0828f70cb782 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -968,13 +968,15 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
 static void iort_named_component_init(struct device *dev,
 				      struct acpi_iort_node *node)
 {
-	struct property_entry props[2] = {};
+	struct property_entry props[3] = {};
 	struct acpi_iort_named_component *nc;
 
 	nc = (struct acpi_iort_named_component *)node->node_data;
 	props[0] = PROPERTY_ENTRY_U32("pasid-num-bits",
 				      FIELD_GET(ACPI_IORT_NC_PASID_BITS,
 						nc->node_flags));
+	if (nc->node_flags & ACPI_IORT_NC_STALL_SUPPORTED)
+		props[1] = PROPERTY_ENTRY_BOOL("dma-can-stall");
 
 	if (device_add_properties(dev, props))
 		dev_warn(dev, "Could not add device properties\n");
-- 
2.31.1


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

  parent reply	other threads:[~2021-05-26 16:21 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-26 16:19 [PATCH v15 0/3] iommu/arm-smmu-v3: Add stall support Jean-Philippe Brucker
2021-05-26 16:19 ` Jean-Philippe Brucker
2021-05-26 16:19 ` Jean-Philippe Brucker
2021-05-26 16:19 ` [PATCH v15 1/3] dt-bindings: document stall property for IOMMU masters Jean-Philippe Brucker
2021-05-26 16:19   ` Jean-Philippe Brucker
2021-05-26 16:19   ` Jean-Philippe Brucker
2021-05-26 16:19 ` Jean-Philippe Brucker [this message]
2021-05-26 16:19   ` [PATCH v15 2/3] ACPI/IORT: Enable stall support for platform devices Jean-Philippe Brucker
2021-05-26 16:19   ` Jean-Philippe Brucker
2021-05-26 16:19 ` [PATCH v15 3/3] iommu/arm-smmu-v3: Add " Jean-Philippe Brucker
2021-05-26 16:19   ` Jean-Philippe Brucker
2021-05-26 16:19   ` Jean-Philippe Brucker
2021-06-08 11:42 ` [PATCH v15 0/3] iommu/arm-smmu-v3: Add stall support Will Deacon
2021-06-08 11:42   ` Will Deacon
2021-06-08 11:42   ` Will Deacon
2021-06-09  9:43   ` Jean-Philippe Brucker
2021-06-09  9:43     ` Jean-Philippe Brucker
2021-06-09  9:43     ` Jean-Philippe Brucker

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