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path: root/drivers/acpi/arm64
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Diffstat (limited to 'drivers/acpi/arm64')
-rw-r--r--drivers/acpi/arm64/iort.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index e48894e002ba..a46c2c162c03 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -1232,18 +1232,24 @@ static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node)
/*
* set numa proximity domain for smmuv3 device
*/
-static void __init arm_smmu_v3_set_proximity(struct device *dev,
+static int __init arm_smmu_v3_set_proximity(struct device *dev,
struct acpi_iort_node *node)
{
struct acpi_iort_smmu_v3 *smmu;
smmu = (struct acpi_iort_smmu_v3 *)node->node_data;
if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) {
- set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm));
+ int node = acpi_map_pxm_to_node(smmu->pxm);
+
+ if (node != NUMA_NO_NODE && !node_online(node))
+ return -EINVAL;
+
+ set_dev_node(dev, node);
pr_info("SMMU-v3[%llx] Mapped to Proximity domain %d\n",
smmu->base_address,
smmu->pxm);
}
+ return 0;
}
#else
#define arm_smmu_v3_set_proximity NULL
@@ -1318,7 +1324,7 @@ struct iort_dev_config {
int (*dev_count_resources)(struct acpi_iort_node *node);
void (*dev_init_resources)(struct resource *res,
struct acpi_iort_node *node);
- void (*dev_set_proximity)(struct device *dev,
+ int (*dev_set_proximity)(struct device *dev,
struct acpi_iort_node *node);
};
@@ -1369,8 +1375,11 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node,
if (!pdev)
return -ENOMEM;
- if (ops->dev_set_proximity)
- ops->dev_set_proximity(&pdev->dev, node);
+ if (ops->dev_set_proximity) {
+ ret = ops->dev_set_proximity(&pdev->dev, node);
+ if (ret)
+ goto dev_put;
+ }
count = ops->dev_count_resources(node);