diff options
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 392c1ac4f819..ae6ec503399a 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -33,6 +33,7 @@ #include <linux/random.h> #include <linux/kernel.h> #include <linux/syscore_ops.h> +#include <linux/dma-map-ops.h> #include <clocksource/hyperv_timer.h> #include "hyperv_vmbus.h" @@ -2078,6 +2079,7 @@ struct hv_device *vmbus_device_create(const guid_t *type, return child_device_obj; } +static u64 vmbus_dma_mask = DMA_BIT_MASK(64); /* * vmbus_device_register - Register the child device */ @@ -2118,6 +2120,8 @@ int vmbus_device_register(struct hv_device *child_device_obj) } hv_debug_add_dev_dir(child_device_obj); + child_device_obj->device.dma_mask = &vmbus_dma_mask; + child_device_obj->device.dma_parms = &child_device_obj->dma_parms; return 0; err_kset_unregister: |