[PATCH] Create vio_register_device

Take some assignments out of vio_register_device_common and
rename it to vio_register_device.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/ppc64/kernel/iSeries_vio.c

@@ -68,7 +68,7 @@ static void __init iommu_vio_init(void)
 }
 
 /**
- * vio_register_device: - Register a new vio device.
+ * vio_register_device_iseries: - Register a new iSeries vio device.
  * @voidev:	The device to register.
  */
 static struct vio_dev *__init vio_register_device_iseries(char *type,
@@ -76,7 +76,7 @@ static struct vio_dev *__init vio_register_device_iseries(char *type,
 {
 	struct vio_dev *viodev;
 
-	/* allocate a vio_dev for this node */
+	/* allocate a vio_dev for this device */
 	viodev = kmalloc(sizeof(struct vio_dev), GFP_KERNEL);
 	if (!viodev)
 		return NULL;
@@ -84,8 +84,15 @@ static struct vio_dev *__init vio_register_device_iseries(char *type,
 
 	snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%s%d", type, unit_num);
 
-	return vio_register_device_common(viodev, viodev->dev.bus_id, type,
-			unit_num, &vio_iommu_table);
+	viodev->name = viodev->dev.bus_id;
+	viodev->type = type;
+	viodev->unit_address = unit_num;
+	viodev->iommu_table = &vio_iommu_table;
+	if (vio_register_device(viodev) == NULL) {
+		kfree(viodev);
+		return NULL;
+	}
+	return viodev;
 }
 
 void __init probe_bus_iseries(void)

arch/ppc64/kernel/pSeries_vio.c

@@ -19,6 +19,7 @@
 #include <linux/kobject.h>
 #include <asm/iommu.h>
 #include <asm/dma.h>
+#include <asm/prom.h>
 #include <asm/vio.h>
 #include <asm/hvcall.h>
 
@@ -181,11 +182,13 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
 	}
 
 	snprintf(viodev->dev.bus_id, BUS_ID_SIZE, "%x", *unit_address);
+	viodev->name = of_node->name;
+	viodev->type = of_node->type;
+	viodev->unit_address = *unit_address;
+	viodev->iommu_table = vio_build_iommu_table(viodev);
 
 	/* register with generic device framework */
-	if (vio_register_device_common(viodev, of_node->name, of_node->type,
-				*unit_address, vio_build_iommu_table(viodev))
-			== NULL) {
+	if (vio_register_device(viodev) == NULL) {
 		/* XXX free TCE table */
 		kfree(viodev);
 		return NULL;

arch/ppc64/kernel/vio.c

@@ -171,14 +171,8 @@ static ssize_t viodev_show_name(struct device *dev,
 }
 DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_name, NULL);
 
-struct vio_dev * __devinit vio_register_device_common(
-		struct vio_dev *viodev, char *name, char *type,
-		uint32_t unit_address, struct iommu_table *iommu_table)
+struct vio_dev * __devinit vio_register_device(struct vio_dev *viodev)
 {
-	viodev->name = name;
-	viodev->type = type;
-	viodev->unit_address = unit_address;
-	viodev->iommu_table = iommu_table;
 	/* init generic 'struct device' fields: */
 	viodev->dev.parent = &vio_bus_device.dev;
 	viodev->dev.bus = &vio_bus_type;

include/asm-ppc64/vio.h

@@ -56,9 +56,7 @@ const void * vio_get_attribute(struct vio_dev *vdev, void* which, int* length);
 int vio_get_irq(struct vio_dev *dev);
 int vio_enable_interrupts(struct vio_dev *dev);
 int vio_disable_interrupts(struct vio_dev *dev);
-extern struct vio_dev * __devinit vio_register_device_common(
-		struct vio_dev *viodev, char *name, char *type,
-		uint32_t unit_address, struct iommu_table *iommu_table);
+extern struct vio_dev * __devinit vio_register_device(struct vio_dev *viodev);
 
 extern struct dma_mapping_ops vio_dma_ops;