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authorSuthikulpanit, Suravee <Suravee.Suthikulpanit@amd.com>2015-10-28 15:50:49 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-07 01:29:22 +0100
commite5e558644bbb23cad03c586703331b8bcd9e0e6c (patch)
tree8e183e85861b37394bfa6a64b2352848325e0b6b /drivers/crypto/ccp
parentb84f196d963c3159329f72ca1913b08679004a43 (diff)
downloadlinux-e5e558644bbb23cad03c586703331b8bcd9e0e6c.tar.gz
device property: Adding DMA Attribute APIs for Generic Devices
The function device_dma_is_coherent() does not sufficiently communicate device DMA attributes. Instead, this patch introduces device_get_dma_attr(), which returns enum dev_dma_attr. It replaces the acpi_check_dma(), which will be removed in subsequent patch. This also provides a convenient function, device_dma_supported(), to check DMA support of the specified device. Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/crypto/ccp')
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