Commit 1b9863c6 authored by Suthikulpanit, Suravee's avatar Suthikulpanit, Suravee Committed by Rafael J. Wysocki

device property: Introducing enum dev_dma_attr

A device could have one of the following DMA attributes:
    * DMA not supported
    * DMA non-coherent
    * DMA coherent

So, this patch introduces enum dev_dma_attribute. This will be used by
new APIs introduced in later patches.
Signed-off-by: default avatarSuravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarHanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent d764c21c
...@@ -27,6 +27,12 @@ enum dev_prop_type { ...@@ -27,6 +27,12 @@ enum dev_prop_type {
DEV_PROP_MAX, DEV_PROP_MAX,
}; };
enum dev_dma_attr {
DEV_DMA_NOT_SUPPORTED,
DEV_DMA_NON_COHERENT,
DEV_DMA_COHERENT,
};
bool device_property_present(struct device *dev, const char *propname); bool device_property_present(struct device *dev, const char *propname);
int device_property_read_u8_array(struct device *dev, const char *propname, int device_property_read_u8_array(struct device *dev, const char *propname,
u8 *val, size_t nval); u8 *val, size_t nval);
......
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