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Diffstat (limited to 'arch/ppc64/kernel/vio.c')
-rw-r--r--arch/ppc64/kernel/vio.c41
1 files changed, 18 insertions, 23 deletions
diff --git a/arch/ppc64/kernel/vio.c b/arch/ppc64/kernel/vio.c
index cdd830cb276..0c0ba71ac0e 100644
--- a/arch/ppc64/kernel/vio.c
+++ b/arch/ppc64/kernel/vio.c
@@ -41,20 +41,25 @@ static const struct vio_device_id *vio_match_device(
static struct iommu_table *vio_build_iommu_table(struct vio_dev *);
static int vio_num_address_cells;
#endif
-static struct vio_dev *vio_bus_device; /* fake "parent" device */
-
#ifdef CONFIG_PPC_ISERIES
-static struct vio_dev *__init vio_register_device_iseries(char *type,
- uint32_t unit_num);
-
static struct iommu_table veth_iommu_table;
static struct iommu_table vio_iommu_table;
-
-static struct vio_dev _vio_dev = {
+#endif
+static struct vio_dev vio_bus_device = { /* fake "parent" device */
+ .name = vio_bus_device.dev.bus_id,
+ .type = "",
+#ifdef CONFIG_PPC_ISERIES
.iommu_table = &vio_iommu_table,
- .dev.bus = &vio_bus_type
+#endif
+ .dev.bus_id = "vio",
+ .dev.bus = &vio_bus_type,
};
-struct device *iSeries_vio_dev = &_vio_dev.dev;
+
+#ifdef CONFIG_PPC_ISERIES
+static struct vio_dev *__init vio_register_device_iseries(char *type,
+ uint32_t unit_num);
+
+struct device *iSeries_vio_dev = &vio_bus_device.dev;
EXPORT_SYMBOL(iSeries_vio_dev);
#define device_is_compatible(a, b) 1
@@ -260,18 +265,10 @@ static int __init vio_bus_init(void)
}
/* the fake parent of all vio devices, just to give us a nice directory */
- vio_bus_device = kmalloc(sizeof(struct vio_dev), GFP_KERNEL);
- if (!vio_bus_device) {
- return 1;
- }
- memset(vio_bus_device, 0, sizeof(struct vio_dev));
- strcpy(vio_bus_device->dev.bus_id, "vio");
-
- err = device_register(&vio_bus_device->dev);
+ err = device_register(&vio_bus_device.dev);
if (err) {
printk(KERN_WARNING "%s: device_register returned %i\n", __FUNCTION__,
err);
- kfree(vio_bus_device);
return err;
}
@@ -300,7 +297,7 @@ static void __devinit vio_dev_release(struct device *dev)
}
#ifdef CONFIG_PPC_PSERIES
-static ssize_t viodev_show_devspec(struct device *dev, char *buf)
+static ssize_t viodev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf)
{
struct device_node *of_node = dev->platform_data;
@@ -309,7 +306,7 @@ static ssize_t viodev_show_devspec(struct device *dev, char *buf)
DEVICE_ATTR(devspec, S_IRUSR | S_IRGRP | S_IROTH, viodev_show_devspec, NULL);
#endif
-static ssize_t viodev_show_name(struct device *dev, char *buf)
+static ssize_t viodev_show_name(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", to_vio_dev(dev)->name);
}
@@ -326,7 +323,7 @@ static struct vio_dev * __devinit vio_register_device_common(
viodev->unit_address = unit_address;
viodev->iommu_table = iommu_table;
/* init generic 'struct device' fields: */
- viodev->dev.parent = &vio_bus_device->dev;
+ viodev->dev.parent = &vio_bus_device.dev;
viodev->dev.bus = &vio_bus_type;
viodev->dev.release = vio_dev_release;
@@ -636,5 +633,3 @@ struct bus_type vio_bus_type = {
.name = "vio",
.match = vio_bus_match,
};
-
-EXPORT_SYMBOL(vio_bus_type);