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path: root/drivers/pci/probe.c
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Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 01eb8038fceb..19c8950c6c38 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1914,33 +1914,6 @@ static void pci_set_msi_domain(struct pci_dev *dev)
dev_set_msi_domain(&dev->dev, d);
}
-/**
- * pci_dma_configure - Setup DMA configuration
- * @dev: ptr to pci_dev struct of the PCI device
- *
- * Function to update PCI devices's DMA configuration using the same
- * info from the OF node or ACPI node of host bridge's parent (if any).
- */
-static void pci_dma_configure(struct pci_dev *dev)
-{
- struct device *bridge = pci_get_host_bridge_device(dev);
-
- if (IS_ENABLED(CONFIG_OF) &&
- bridge->parent && bridge->parent->of_node) {
- of_dma_configure(&dev->dev, bridge->parent->of_node);
- } else if (has_acpi_companion(bridge)) {
- struct acpi_device *adev = to_acpi_device_node(bridge->fwnode);
- enum dev_dma_attr attr = acpi_get_dma_attr(adev);
-
- if (attr == DEV_DMA_NOT_SUPPORTED)
- dev_warn(&dev->dev, "DMA not supported.\n");
- else
- acpi_dma_configure(&dev->dev, attr);
- }
-
- pci_put_host_bridge_device(bridge);
-}
-
void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
{
int ret;
@@ -1954,7 +1927,6 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
dev->dev.dma_mask = &dev->dma_mask;
dev->dev.dma_parms = &dev->dma_parms;
dev->dev.coherent_dma_mask = 0xffffffffull;
- pci_dma_configure(dev);
pci_set_dma_max_seg_size(dev, 65536);
pci_set_dma_seg_boundary(dev, 0xffffffff);