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-rw-r--r--include/linux/device.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index 8f882549edee..983506789402 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -927,6 +927,8 @@ struct dev_links_info {
* @offline: Set after successful invocation of bus type's .offline().
* @of_node_reused: Set if the device-tree node is shared with an ancestor
* device.
+ * @dma_coherent: this particular device is dma coherent, even if the
+ * architecture supports non-coherent devices.
*
* At the lowest level, every device in a Linux system is represented by an
* instance of struct device. The device structure contains the information
@@ -1016,6 +1018,11 @@ struct device {
bool offline_disabled:1;
bool offline:1;
bool of_node_reused:1;
+#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \
+ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \
+ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL)
+ bool dma_coherent:1;
+#endif
};
static inline struct device *kobj_to_dev(struct kobject *kobj)