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authorSuthikulpanit, Suravee <[email protected]>2015-10-28 15:50:48 -0700
committerRafael J. Wysocki <[email protected]>2015-11-07 01:29:21 +0100
commitb84f196d963c3159329f72ca1913b08679004a43 (patch)
treea017e66514453e0fdc5489076877d1a02a5e568a /tools/perf/scripts/python/call-graph-from-postgresql.py
parent1b9863c6aa56d92126ec0d5c42eae25df52b7ca1 (diff)
ACPI: Adding DMA Attribute APIs for ACPI Device
Adding acpi_get_dma_attr() to query DMA attributes of ACPI devices. It returns the enum dev_dma_attr, which communicates DMA information more clearly. This API replaces the acpi_check_dma(), which will be removed in subsequent patch. This patch also provides a convenient function, acpi_dma_supported(), to check DMA support of the specified ACPI device. 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]>
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