Merge tag 'hyperv-next-signed-20220114' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-microblaze.git] / drivers / hv / vmbus_drv.c

diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 7ae04cc..17bf55f 100644 (file)
--- 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: