--- /dev/null
+--- a/drivers/ssb/main.c
++++ b/drivers/ssb/main.c
+@@ -461,6 +461,7 @@
+ #ifdef CONFIG_SSB_PCIHOST
+ sdev->irq = bus->host_pci->irq;
+ dev->parent = &bus->host_pci->dev;
++ sdev->dma_dev = dev->parent;
+ #endif
+ break;
+ case SSB_BUSTYPE_PCMCIA:
+@@ -473,6 +474,7 @@
+ break;
+ case SSB_BUSTYPE_SSB:
+ dev->dma_mask = &dev->coherent_dma_mask;
++ sdev->dma_dev = dev;
+ break;
+ }
+
+--- a/include/linux/ssb/ssb.h
++++ b/include/linux/ssb/ssb.h
+@@ -167,7 +167,7 @@
+ * is an optimization. */
+ const struct ssb_bus_ops *ops;
+
+- struct device *dev;
++ struct device *dev, *dma_dev;
+
+ struct ssb_bus *bus;
+ struct ssb_device_id id;