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[microblaze-uclinux] [RFC PATCH 5/5] powerpc/iseries updates for new OF dynamic code
Update the powerpc/iseries vio code to use the new generic OF dynamic code.
NOTE: I have no means of testing iseries kernels, this does at least pass the
compile test for me.
Signed-off-by: Nathan Fontenot <nfont@xxxxxxxxxxxxxx>
---
Index: linux-next/arch/powerpc/platforms/iseries/vio.c
===================================================================
--- linux-next.orig/arch/powerpc/platforms/iseries/vio.c 2009-11-02 13:39:40.000000000 -0600
+++ linux-next/arch/powerpc/platforms/iseries/vio.c 2009-11-03 12:34:19.000000000 -0600
@@ -80,8 +80,7 @@
kfree(np);
}
-static struct device_node *new_node(const char *path,
- struct device_node *parent)
+static struct device_node *new_node(const char *path)
{
struct device_node *np = kzalloc(sizeof(*np), GFP_KERNEL);
@@ -93,9 +92,6 @@
return NULL;
}
strcpy(np->full_name, path);
- of_node_set_flag(np, OF_DYNAMIC);
- kref_init(&np->kref);
- np->parent = of_node_get(parent);
return np;
}
@@ -122,7 +118,7 @@
if (!nprop)
return 0;
- prom_add_property(np, nprop);
+ of_property_attach(np, nprop);
return 1;
}
@@ -133,19 +129,19 @@
if (!nprop)
return 0;
- prom_add_property(np, nprop);
+ of_property_attach(np, nprop);
return 1;
}
-static struct device_node *do_device_node(struct device_node *parent,
- const char *name, u32 reg, u32 unit, const char *type,
- const char *compat, struct vio_resource *res)
+static struct device_node *do_device_node(const char *name, u32 reg,
+ u32 unit, const char *type, const char *compat,
+ struct vio_resource *res)
{
struct device_node *np;
char path[32];
snprintf(path, sizeof(path), "/vdevice/%s@%08x", name, reg);
- np = new_node(path, parent);
+ np = new_node(path);
if (!np)
return NULL;
if (!add_string_property(np, "name", name) ||
@@ -168,15 +164,6 @@
np->name = of_get_property(np, "name", NULL);
np->type = of_get_property(np, "device_type", NULL);
of_attach_node(np);
-#ifdef CONFIG_PROC_DEVICETREE
- if (parent->pde) {
- struct proc_dir_entry *ent;
-
- ent = proc_mkdir(strrchr(np->full_name, '/') + 1, parent->pde);
- if (ent)
- proc_device_tree_add_node(np, ent);
- }
-#endif
return np;
node_free:
@@ -190,16 +177,11 @@
*/
struct vio_dev *vio_create_viodasd(u32 unit)
{
- struct device_node *vio_root;
struct device_node *np;
struct vio_dev *vdev = NULL;
- vio_root = of_find_node_by_path("/vdevice");
- if (!vio_root)
- return NULL;
- np = do_device_node(vio_root, "viodasd", FIRST_VIODASD + unit, unit,
+ np = do_device_node("viodasd", FIRST_VIODASD + unit, unit,
"block", "IBM,iSeries-viodasd", NULL);
- of_node_put(vio_root);
if (np) {
vdev = vio_register_device_node(np);
if (!vdev)
@@ -254,7 +236,7 @@
}
}
-static void __init probe_disk(struct device_node *vio_root, u32 unit)
+static void __init probe_disk(u32 unit)
{
HvLpEvent_Rc hvrc;
struct vio_waitevent we;
@@ -305,11 +287,11 @@
return;
}
- do_device_node(vio_root, "viodasd", FIRST_VIODASD + unit, unit,
+ do_device_node("viodasd", FIRST_VIODASD + unit, unit,
"block", "IBM,iSeries-viodasd", NULL);
}
-static void __init get_viodasd_info(struct device_node *vio_root)
+static void __init get_viodasd_info(void)
{
int rc;
u32 unit;
@@ -326,7 +308,7 @@
vio_setHandler(viomajorsubtype_blockio, handle_block_event);
for (unit = 0; unit < HVMAXARCHITECTEDVIRTUALDISKS; unit++)
- probe_disk(vio_root, unit);
+ probe_disk(unit);
vio_clearHandler(viomajorsubtype_blockio);
viopath_close(viopath_hostLp, viomajorsubtype_blockio, 2);
@@ -372,7 +354,7 @@
}
}
-static void __init get_viocd_info(struct device_node *vio_root)
+static void __init get_viocd_info(void)
{
HvLpEvent_Rc hvrc;
u32 unit;
@@ -430,7 +412,7 @@
for (unit = 0; (unit < HVMAXARCHITECTEDVIRTUALCDROMS) &&
unitinfo[unit].rsrcname[0]; unit++) {
- if (!do_device_node(vio_root, "viocd", FIRST_VIOCD + unit, unit,
+ if (!do_device_node("viocd", FIRST_VIOCD + unit, unit,
"block", "IBM,iSeries-viocd", &unitinfo[unit]))
break;
}
@@ -464,7 +446,7 @@
}
}
-static void __init get_viotape_info(struct device_node *vio_root)
+static void __init get_viotape_info(void)
{
HvLpEvent_Rc hvrc;
u32 unit;
@@ -507,7 +489,7 @@
for (unit = 0; (unit < HVMAXARCHITECTEDVIRTUALTAPES) &&
unitinfo[unit].rsrcname[0]; unit++) {
- if (!do_device_node(vio_root, "viotape", FIRST_VIOTAPE + unit,
+ if (!do_device_node("viotape", FIRST_VIOTAPE + unit,
unit, "byte", "IBM,iSeries-viotape",
&unitinfo[unit]))
break;
@@ -522,7 +504,6 @@
static int __init iseries_vio_init(void)
{
- struct device_node *vio_root;
int ret = -ENODEV;
if (!firmware_has_feature(FW_FEATURE_ISERIES))
@@ -530,25 +511,19 @@
iommu_vio_init();
- vio_root = of_find_node_by_path("/vdevice");
- if (!vio_root)
- goto out;
-
if (viopath_hostLp == HvLpIndexInvalid) {
vio_set_hostlp();
/* If we don't have a host, bail out */
if (viopath_hostLp == HvLpIndexInvalid)
- goto put_node;
+ goto out;
}
- get_viodasd_info(vio_root);
- get_viocd_info(vio_root);
- get_viotape_info(vio_root);
+ get_viodasd_info();
+ get_viocd_info();
+ get_viotape_info();
ret = 0;
- put_node:
- of_node_put(vio_root);
out:
return ret;
}
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