1 files changed, 4 insertions, 64 deletions

diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index f99f1ca8035..720a0cc2e69 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -16,11 +16,11 @@
 #include <linux/notifier.h>
 #include <linux/proc_fs.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/uaccess.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/mmu.h>
 
 /**
@@ -55,28 +55,6 @@ static struct device_node *derive_parent(const char *path)
         return parent;
 }
 
-static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain);
-
-int pSeries_reconfig_notifier_register(struct notifier_block *nb)
-{
-        return blocking_notifier_chain_register(&pSeries_reconfig_chain, nb);
-}
-EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_register);
-
-void pSeries_reconfig_notifier_unregister(struct notifier_block *nb)
-{
-        blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb);
-}
-EXPORT_SYMBOL_GPL(pSeries_reconfig_notifier_unregister);
-
-int pSeries_reconfig_notify(unsigned long action, void *p)
-{
-        int err = blocking_notifier_call_chain(&pSeries_reconfig_chain,
-                                                action, p);
-
-        return notifier_to_errno(err);
-}
-
 static int pSeries_reconfig_add_node(const char *path, struct property *proplist)
 {
         struct device_node *np;
@@ -100,13 +78,12 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist
                 goto out_err;
         }
 
-        err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np);
+        err = of_attach_node(np);
         if (err) {
                 printk(KERN_ERR "Failed to add device node %s\n", path);
                 goto out_err;
         }
 
-        of_attach_node(np);
         of_node_put(np->parent);
 
         return 0;
@@ -134,9 +111,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np)
                 return -EBUSY;
         }
 
-        pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np);
         of_detach_node(np);
-
         of_node_put(parent);
         of_node_put(np); /* Must decrement the refcount */
         return 0;
@@ -381,10 +356,9 @@ static int do_remove_property(char *buf, size_t bufsize)
 static int do_update_property(char *buf, size_t bufsize)
 {
         struct device_node *np;
-        struct pSeries_reconfig_prop_update upd_value;
         unsigned char *value;
         char *name, *end, *next_prop;
-        int rc, length;
+        int length;
         struct property *newprop;
         buf = parse_node(buf, bufsize, &np);
         end = buf + bufsize;
@@ -406,41 +380,7 @@ static int do_update_property(char *buf, size_t bufsize)
         if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size"))
                 slb_set_size(*(int *)value);
 
-        upd_value.node = np;
-        upd_value.property = newprop;
-        pSeries_reconfig_notify(PSERIES_UPDATE_PROPERTY, &upd_value);
-
-        rc = prom_update_property(np, newprop);
-        if (rc)
-                return rc;
-
-        /* For memory under the ibm,dynamic-reconfiguration-memory node
-         * of the device tree, adding and removing memory is just an update
-         * to the ibm,dynamic-memory property instead of adding/removing a
-         * memory node in the device tree.  For these cases we still need to
-         * involve the notifier chain.
-         */
-        if (!strcmp(name, "ibm,dynamic-memory")) {
-                int action;
-
-                next_prop = parse_next_property(next_prop, end, &name,
-                                                &length, &value);
-                if (!next_prop)
-                        return -EINVAL;
-
-                if (!strcmp(name, "add"))
-                        action = PSERIES_DRCONF_MEM_ADD;
-                else
-                        action = PSERIES_DRCONF_MEM_REMOVE;
-
-                rc = pSeries_reconfig_notify(action, value);
-                if (rc) {
-                        prom_update_property(np, newprop);
-                        return rc;
-                }
-        }
-
-        return 0;
+        return prom_update_property(np, newprop);
 }
 
 /**