From mboxrd@z Thu Jan 1 00:00:00 1970 From: Suravee.Suthikulpanit@amd.com (Suravee Suthikulpanit) Date: Wed, 21 Oct 2015 08:52:05 -0700 Subject: [PATCH V4 2/8] device property: Introducing enum dev_dma_attr In-Reply-To: <1445442731-28819-1-git-send-email-Suravee.Suthikulpanit@amd.com> References: <1445442731-28819-1-git-send-email-Suravee.Suthikulpanit@amd.com> Message-ID: <1445442731-28819-3-git-send-email-Suravee.Suthikulpanit@amd.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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: Suravee Suthikulpanit CC: Rafael J. Wysocki CC: Bjorn Helgaas --- include/linux/property.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/property.h b/include/linux/property.h index a59c6ee..522c1bf 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -27,6 +27,12 @@ enum dev_prop_type { 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); int device_property_read_u8_array(struct device *dev, const char *propname, u8 *val, size_t nval); -- 2.1.0