aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/vio.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/vio.c')
-rw-r--r--arch/powerpc/kernel/vio.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index fad8580f908..cb87e71eec6 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -77,7 +77,7 @@ static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
} else
#endif
{
- unsigned char *dma_window;
+ const unsigned char *dma_window;
struct iommu_table *tbl;
unsigned long offset, size;
@@ -217,7 +217,7 @@ static void __devinit vio_dev_release(struct device *dev)
struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
{
struct vio_dev *viodev;
- unsigned int *unit_address;
+ const unsigned int *unit_address;
/* we need the 'device_type' property, in order to match with drivers */
if (of_node->type == NULL) {
@@ -227,7 +227,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
return NULL;
}
- unit_address = (unsigned int *)get_property(of_node, "reg", NULL);
+ unit_address = get_property(of_node, "reg", NULL);
if (unit_address == NULL) {
printk(KERN_WARNING "%s: node %s missing 'reg'\n",
__FUNCTION__,
@@ -249,7 +249,7 @@ struct vio_dev * __devinit vio_register_device_node(struct device_node *of_node)
viodev->type = of_node->type;
viodev->unit_address = *unit_address;
if (firmware_has_feature(FW_FEATURE_ISERIES)) {
- unit_address = (unsigned int *)get_property(of_node,
+ unit_address = get_property(of_node,
"linux,unit_address", NULL);
if (unit_address != NULL)
viodev->unit_address = *unit_address;
@@ -423,7 +423,7 @@ static int vio_hotplug(struct device *dev, char **envp, int num_envp,
{
const struct vio_dev *vio_dev = to_vio_dev(dev);
struct device_node *dn = dev->platform_data;
- char *cp;
+ const char *cp;
int length;
if (!num_envp)
@@ -431,7 +431,7 @@ static int vio_hotplug(struct device *dev, char **envp, int num_envp,
if (!dn)
return -ENODEV;
- cp = (char *)get_property(dn, "compatible", &length);
+ cp = get_property(dn, "compatible", &length);
if (!cp)
return -ENODEV;
@@ -493,11 +493,11 @@ static struct vio_dev *vio_find_name(const char *kobj_name)
*/
struct vio_dev *vio_find_node(struct device_node *vnode)
{
- uint32_t *unit_address;
+ const uint32_t *unit_address;
char kobj_name[BUS_ID_SIZE];
/* construct the kobject name from the device node */
- unit_address = (uint32_t *)get_property(vnode, "reg", NULL);
+ unit_address = get_property(vnode, "reg", NULL);
if (!unit_address)
return NULL;
snprintf(kobj_name, BUS_ID_SIZE, "%x", *unit_address);