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Merge branch 'acpi-pci'

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* acpi-pci:
  PCI: ACPI: Add support for PCI device DMA coherency
  PCI: OF: Move of_pci_dma_configure() to pci_dma_configure()
  of/pci: Fix pci_get_host_bridge_device leak
  device property: ACPI: Remove unused DMA APIs
  device property: ACPI: Make use of the new DMA Attribute APIs
  device property: Adding DMA Attribute APIs for Generic Devices
  ACPI: Adding DMA Attribute APIs for ACPI Device
  device property: Introducing enum dev_dma_attr
  ACPI: Honor ACPI _CCA attribute setting

Conflicts:
	drivers/crypto/ccp/ccp-platform.c
This commit is contained in:
Rafael J. Wysocki
2015-11-07 01:30:10 +01:00
parent 0d51ce9ca1 29dbe1f0af
commit f2115faaf0
12 changed files with 146 additions and 78 deletions
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drivers/base/property.c
+24 -8
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@@ -598,18 +598,34 @@ unsigned int device_get_child_node_count(struct device *dev)
}
EXPORT_SYMBOL_GPL(device_get_child_node_count);
bool device_dma_is_coherent(struct device *dev)
bool device_dma_supported(struct device *dev)
{
bool coherent = false;
/* For DT, this is always supported.
* For ACPI, this depends on CCA, which
* is determined by the acpi_dma_supported().
*/
if (IS_ENABLED(CONFIG_OF) && dev->of_node)
coherent = of_dma_is_coherent(dev->of_node);
else
acpi_check_dma(ACPI_COMPANION(dev), &coherent);
return true;
return coherent;
return acpi_dma_supported(ACPI_COMPANION(dev));
}
EXPORT_SYMBOL_GPL(device_dma_is_coherent);
EXPORT_SYMBOL_GPL(device_dma_supported);
enum dev_dma_attr device_get_dma_attr(struct device *dev)
{
enum dev_dma_attr attr = DEV_DMA_NOT_SUPPORTED;
if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
if (of_dma_is_coherent(dev->of_node))
attr = DEV_DMA_COHERENT;
else
attr = DEV_DMA_NON_COHERENT;
} else
attr = acpi_get_dma_attr(ACPI_COMPANION(dev));
return attr;
}
EXPORT_SYMBOL_GPL(device_get_dma_attr);
/**
* device_get_phy_mode - Get phy mode for given device