aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/arm/mm/dma-mapping.c
diff options
context:
space:
mode:
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /arch/arm/mm/dma-mapping.c
parentdma-buf: handle testing kthreads creation failure (diff)
parentMerge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff)
downloadwireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
-rw-r--r--arch/arm/mm/dma-mapping.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index f68db05eba29..5adf1769eee4 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1709,11 +1709,15 @@ void arm_iommu_detach_device(struct device *dev)
}
EXPORT_SYMBOL_GPL(arm_iommu_detach_device);
-static void arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size,
- bool coherent)
+static void arm_setup_iommu_dma_ops(struct device *dev)
{
struct dma_iommu_mapping *mapping;
+ u64 dma_base = 0, size = 1ULL << 32;
+ if (dev->dma_range_map) {
+ dma_base = dma_range_map_min(dev->dma_range_map);
+ size = dma_range_map_max(dev->dma_range_map) - dma_base;
+ }
mapping = arm_iommu_create_mapping(dev->bus, dma_base, size);
if (IS_ERR(mapping)) {
pr_warn("Failed to create %llu-byte IOMMU mapping for device %s\n",
@@ -1744,8 +1748,7 @@ static void arm_teardown_iommu_dma_ops(struct device *dev)
#else
-static void arm_setup_iommu_dma_ops(struct device *dev, u64 dma_base, u64 size,
- bool coherent)
+static void arm_setup_iommu_dma_ops(struct device *dev)
{
}
@@ -1753,8 +1756,7 @@ static void arm_teardown_iommu_dma_ops(struct device *dev) { }
#endif /* CONFIG_ARM_DMA_USE_IOMMU */
-void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
- bool coherent)
+void arch_setup_dma_ops(struct device *dev, bool coherent)
{
/*
* Due to legacy code that sets the ->dma_coherent flag from a bus
@@ -1774,7 +1776,7 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
return;
if (device_iommu_mapped(dev))
- arm_setup_iommu_dma_ops(dev, dma_base, size, coherent);
+ arm_setup_iommu_dma_ops(dev);
xen_setup_dma_ops(dev);
dev->archdata.dma_ops_setup = true;