diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 7 |
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) |