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device property: ACPI: Remove unused DMA APIs

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These DMA APIs are replaced with the newer versions, which return
the enum dev_dma_attr. So, we can safely remove them.

Signed-off-by: Suravee Suthikulpanit <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Hanjun Guo <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Suthikulpanit, Suravee 2015-10-28 15:50:51 -07:00 • committed by Rafael J. Wysocki
commit ab3d527329
4 changed files with 0 additions and 54 deletions
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13
drivers/base/property.c
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@ -598,19 +598,6 @@ 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 coherent = false;
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 coherent;
}
EXPORT_SYMBOL_GPL(device_dma_is_coherent);
bool device_dma_supported(struct device *dev)
{
/* For DT, this is always supported.