From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org
Cc: vivek.gautam@arm.com, guohanjun@huawei.com,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
linux-acpi@vger.kernel.org, zhangfei.gao@linaro.org,
lenb@kernel.org, devicetree@vger.kernel.org,
kevin.tian@intel.com, robh+dt@kernel.org,
linux-arm-kernel@lists.infradead.org, rjw@rjwysocki.net,
iommu@lists.linux-foundation.org, sudeep.holla@arm.com,
robin.murphy@arm.com, linux-accelerators@lists.ozlabs.org
Subject: [PATCH v13 09/10] ACPI/IORT: Enable stall support for platform devices
Date: Tue, 2 Mar 2021 10:26:45 +0100 [thread overview]
Message-ID: <20210302092644.2553014-10-jean-philippe@linaro.org> (raw)
In-Reply-To: <20210302092644.2553014-1-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: Jonathan Cameron <Jonathan.Cameron@huawei.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");
--
2.30.1
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next prev parent reply other threads:[~2021-03-02 9:35 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-02 9:26 [PATCH v13 00/10] iommu: I/O page faults for SMMUv3 Jean-Philippe Brucker
2021-03-02 9:26 ` [PATCH v13 01/10] iommu: Fix comment for struct iommu_fwspec Jean-Philippe Brucker
2021-03-25 17:37 ` Will Deacon
2021-03-02 9:26 ` [PATCH v13 02/10] iommu/arm-smmu-v3: Use device properties for pasid-num-bits Jean-Philippe Brucker
2021-03-25 17:36 ` Will Deacon
2021-03-02 9:26 ` [PATCH v13 03/10] iommu: Separate IOMMU_DEV_FEAT_IOPF from IOMMU_DEV_FEAT_SVA Jean-Philippe Brucker
2021-03-03 5:04 ` Lu Baolu
2021-03-02 9:26 ` [PATCH v13 04/10] iommu/vt-d: Support IOMMU_DEV_FEAT_IOPF Jean-Philippe Brucker
2021-03-02 9:26 ` [PATCH v13 05/10] uacce: Enable IOMMU_DEV_FEAT_IOPF Jean-Philippe Brucker
2021-03-02 9:26 ` [PATCH v13 06/10] iommu: Add a page fault handler Jean-Philippe Brucker
2021-03-02 23:59 ` Jacob Pan
2021-03-23 10:50 ` Jean-Philippe Brucker
2021-03-03 5:27 ` Lu Baolu
2021-03-23 10:51 ` Jean-Philippe Brucker
2021-03-03 5:57 ` Raj, Ashok
2021-03-23 10:53 ` Jean-Philippe Brucker
2021-03-02 9:26 ` [PATCH v13 07/10] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2021-03-02 12:24 ` Keqian Zhu
2021-03-25 17:48 ` Will Deacon
2021-03-26 9:49 ` Jean-Philippe Brucker
2021-03-02 9:26 ` [PATCH v13 08/10] dt-bindings: document stall property for IOMMU masters Jean-Philippe Brucker
2021-03-02 9:26 ` Jean-Philippe Brucker [this message]
2021-03-02 9:26 ` [PATCH v13 10/10] iommu/arm-smmu-v3: Add stall support for platform devices Jean-Philippe Brucker
2021-03-19 17:40 ` Auger Eric
2021-03-26 9:52 ` Auger Eric
2021-03-18 0:25 ` [PATCH v13 00/10] iommu: I/O page faults for SMMUv3 Krishna Reddy
2021-03-30 17:17 ` Jean-Philippe Brucker
2021-04-01 8:57 ` Will Deacon
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