13 files changed, 158 insertions, 127 deletions

diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index 0ce625738677..6c4c000671c5 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -28,7 +28,6 @@
 #include <linux/slab.h>
 
 #include <asm/page.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/vio.h>
 
 #include "nx_csbcpb.h" /* struct nx_csbcpb */
@@ -1014,26 +1013,23 @@ error_out:
  *      NOTIFY_BAD encoded with error number on failure, use
  *              notifier_to_errno() to decode this value
  */
-static int nx842_OF_notifier(struct notifier_block *np,
-                                        unsigned long action,
-                                        void *update)
+static int nx842_OF_notifier(struct notifier_block *np, unsigned long action,
+                             void *update)
 {
-        struct pSeries_reconfig_prop_update *upd;
+        struct of_prop_reconfig *upd = update;
         struct nx842_devdata *local_devdata;
         struct device_node *node = NULL;
 
-        upd = (struct pSeries_reconfig_prop_update *)update;
-
         rcu_read_lock();
         local_devdata = rcu_dereference(devdata);
         if (local_devdata)
                 node = local_devdata->dev->of_node;
 
         if (local_devdata &&
-                        action == PSERIES_UPDATE_PROPERTY &&
-                        !strcmp(upd->node->name, node->name)) {
+                        action == OF_RECONFIG_UPDATE_PROPERTY &&
+                        !strcmp(upd->dn->name, node->name)) {
                 rcu_read_unlock();
-                nx842_OF_upd(upd->property);
+                nx842_OF_upd(upd->prop);
         } else
                 rcu_read_unlock();
 
@@ -1182,7 +1178,7 @@ static int __init nx842_probe(struct vio_dev *viodev,
         synchronize_rcu();
         kfree(old_devdata);
 
-        pSeries_reconfig_notifier_register(&nx842_of_nb);
+        of_reconfig_notifier_register(&nx842_of_nb);
 
         ret = nx842_OF_upd(NULL);
         if (ret && ret != -ENODEV) {
@@ -1228,7 +1224,7 @@ static int __exit nx842_remove(struct vio_dev *viodev)
         spin_lock_irqsave(&devdata_mutex, flags);
         old_devdata = rcu_dereference_check(devdata,
                         lockdep_is_held(&devdata_mutex));
-        pSeries_reconfig_notifier_unregister(&nx842_of_nb);
+        of_reconfig_notifier_unregister(&nx842_of_nb);
         rcu_assign_pointer(devdata, NULL);
         spin_unlock_irqrestore(&devdata_mutex, flags);
         synchronize_rcu();
diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index 638110efae9b..f7a8a16aa7d3 100644
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -33,7 +33,6 @@
 #include <linux/scatterlist.h>
 #include <linux/device.h>
 #include <linux/of.h>
-#include <asm/pSeries_reconfig.h>
 #include <asm/hvcall.h>
 #include <asm/vio.h>
 
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index 2d41d04fd959..89517ffb4389 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -90,26 +90,6 @@
 
 static DEFINE_SPINLOCK(hcall_lock);
 
-static u32 get_longbusy_msecs(int longbusy_rc)
-{
-        switch (longbusy_rc) {
-        case H_LONG_BUSY_ORDER_1_MSEC:
-                return 1;
-        case H_LONG_BUSY_ORDER_10_MSEC:
-                return 10;
-        case H_LONG_BUSY_ORDER_100_MSEC:
-                return 100;
-        case H_LONG_BUSY_ORDER_1_SEC:
-                return 1000;
-        case H_LONG_BUSY_ORDER_10_SEC:
-                return 10000;
-        case H_LONG_BUSY_ORDER_100_SEC:
-                return 100000;
-        default:
-                return 1;
-        }
-}
-
 static long ehca_plpar_hcall_norets(unsigned long opcode,
                                     unsigned long arg1,
                                     unsigned long arg2,
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 196368009001..9c6b96414862 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -997,7 +997,7 @@ static struct smu_sdbp_header *smu_create_sdb_partition(int id)
                        "%02x !\n", id, hdr->id);
                 goto failure;
         }
-        if (prom_add_property(smu->of_node, prop)) {
+        if (of_add_property(smu->of_node, prop)) {
                 printk(KERN_DEBUG "SMU: Failed creating sdb-partition-%02x "
                        "property !\n", id);
                 goto failure;
diff --git a/drivers/macintosh/windfarm_fcu_controls.c b/drivers/macintosh/windfarm_fcu_controls.c
index b3411edb324b..fd6ed15a979d 100644
--- a/drivers/macintosh/windfarm_fcu_controls.c
+++ b/drivers/macintosh/windfarm_fcu_controls.c
@@ -593,19 +593,7 @@ static struct i2c_driver wf_fcu_driver = {
         .id_table       = wf_fcu_id,
 };
 
-static int __init wf_fcu_init(void)
-{
-        return i2c_add_driver(&wf_fcu_driver);
-}
-
-static void __exit wf_fcu_exit(void)
-{
-        i2c_del_driver(&wf_fcu_driver);
-}
-
-
-module_init(wf_fcu_init);
-module_exit(wf_fcu_exit);
+module_i2c_driver(wf_fcu_driver);
 
 MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
 MODULE_DESCRIPTION("FCU control objects for PowerMacs thermal control");
diff --git a/drivers/macintosh/windfarm_lm75_sensor.c b/drivers/macintosh/windfarm_lm75_sensor.c
index b0c2d3695b34..9ef32b3df91f 100644
--- a/drivers/macintosh/windfarm_lm75_sensor.c
+++ b/drivers/macintosh/windfarm_lm75_sensor.c
@@ -174,19 +174,7 @@ static struct i2c_driver wf_lm75_driver = {
         .id_table       = wf_lm75_id,
 };
 
-static int __init wf_lm75_sensor_init(void)
-{
-        return i2c_add_driver(&wf_lm75_driver);
-}
-
-static void __exit wf_lm75_sensor_exit(void)
-{
-        i2c_del_driver(&wf_lm75_driver);
-}
-
-
-module_init(wf_lm75_sensor_init);
-module_exit(wf_lm75_sensor_exit);
+module_i2c_driver(wf_lm75_driver);
 
 MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
 MODULE_DESCRIPTION("LM75 sensor objects for PowerMacs thermal control");
diff --git a/drivers/macintosh/windfarm_max6690_sensor.c b/drivers/macintosh/windfarm_max6690_sensor.c
index 371b058d2f7d..945a25b2f31e 100644
--- a/drivers/macintosh/windfarm_max6690_sensor.c
+++ b/drivers/macintosh/windfarm_max6690_sensor.c
@@ -130,18 +130,7 @@ static struct i2c_driver wf_max6690_driver = {
         .id_table       = wf_max6690_id,
 };
 
-static int __init wf_max6690_sensor_init(void)
-{
-        return i2c_add_driver(&wf_max6690_driver);
-}
-
-static void __exit wf_max6690_sensor_exit(void)
-{
-        i2c_del_driver(&wf_max6690_driver);
-}
-
-module_init(wf_max6690_sensor_init);
-module_exit(wf_max6690_sensor_exit);
+module_i2c_driver(wf_max6690_driver);
 
 MODULE_AUTHOR("Paul Mackerras <paulus@samba.org>");
 MODULE_DESCRIPTION("MAX6690 sensor objects for PowerMac thermal control");
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index 426e810233d7..d87f5ee04ca9 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -364,18 +364,7 @@ static struct i2c_driver wf_sat_driver = {
         .id_table       = wf_sat_id,
 };
 
-static int __init sat_sensors_init(void)
-{
-        return i2c_add_driver(&wf_sat_driver);
-}
-
-static void __exit sat_sensors_exit(void)
-{
-        i2c_del_driver(&wf_sat_driver);
-}
-
-module_init(sat_sensors_init);
-module_exit(sat_sensors_exit);
+module_i2c_driver(wf_sat_driver);
 
 MODULE_AUTHOR("Paul Mackerras <paulus@samba.org>");
 MODULE_DESCRIPTION("SMU satellite sensors for PowerMac thermal control");
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_phyp.h b/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
index 8364815c32ff..99b6c2a38dbf 100644
--- a/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
+++ b/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
@@ -39,26 +39,6 @@
  * hcp_*  - structures, variables and functions releated to Hypervisor Calls
  */
 
-static inline u32 get_longbusy_msecs(int long_busy_ret_code)
-{
-        switch (long_busy_ret_code) {
-        case H_LONG_BUSY_ORDER_1_MSEC:
-                return 1;
-        case H_LONG_BUSY_ORDER_10_MSEC:
-                return 10;
-        case H_LONG_BUSY_ORDER_100_MSEC:
-                return 100;
-        case H_LONG_BUSY_ORDER_1_SEC:
-                return 1000;
-        case H_LONG_BUSY_ORDER_10_SEC:
-                return 10000;
-        case H_LONG_BUSY_ORDER_100_SEC:
-                return 100000;
-        default:
-                return 1;
-        }
-}
-
 /* Number of pages which can be registered at once by H_REGISTER_HEA_RPAGES */
 #define EHEA_MAX_RPAGE 512
 
diff --git a/drivers/of/base.c b/drivers/of/base.c
index be846408dbc1..db8d211a0d05 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1114,13 +1114,36 @@ int of_parse_phandle_with_args(const struct device_node *np, const char *list_na
 }
 EXPORT_SYMBOL(of_parse_phandle_with_args);
 
+#if defined(CONFIG_OF_DYNAMIC)
+static int of_property_notify(int action, struct device_node *np,
+                              struct property *prop)
+{
+        struct of_prop_reconfig pr;
+
+        pr.dn = np;
+        pr.prop = prop;
+        return of_reconfig_notify(action, &pr);
+}
+#else
+static int of_property_notify(int action, struct device_node *np,
+                              struct property *prop)
+{
+        return 0;
+}
+#endif
+
 /**
- * prom_add_property - Add a property to a node
+ * of_add_property - Add a property to a node
  */
-int prom_add_property(struct device_node *np, struct property *prop)
+int of_add_property(struct device_node *np, struct property *prop)
 {
         struct property **next;
         unsigned long flags;
+        int rc;
+
+        rc = of_property_notify(OF_RECONFIG_ADD_PROPERTY, np, prop);
+        if (rc)
+                return rc;
 
         prop->next = NULL;
         write_lock_irqsave(&devtree_lock, flags);
@@ -1146,18 +1169,23 @@ int prom_add_property(struct device_node *np, struct property *prop)
 }
 
 /**
- * prom_remove_property - Remove a property from a node.
+ * of_remove_property - Remove a property from a node.
  *
  * Note that we don't actually remove it, since we have given out
  * who-knows-how-many pointers to the data using get-property.
  * Instead we just move the property to the "dead properties"
  * list, so it won't be found any more.
  */
-int prom_remove_property(struct device_node *np, struct property *prop)
+int of_remove_property(struct device_node *np, struct property *prop)
 {
         struct property **next;
         unsigned long flags;
         int found = 0;
+        int rc;
+
+        rc = of_property_notify(OF_RECONFIG_REMOVE_PROPERTY, np, prop);
+        if (rc)
+                return rc;
 
         write_lock_irqsave(&devtree_lock, flags);
         next = &np->properties;
@@ -1187,7 +1215,7 @@ int prom_remove_property(struct device_node *np, struct property *prop)
 }
 
 /*
- * prom_update_property - Update a property in a node, if the property does
+ * of_update_property - Update a property in a node, if the property does
  * not exist, add it.
  *
  * Note that we don't actually remove it, since we have given out
@@ -1195,19 +1223,22 @@ int prom_remove_property(struct device_node *np, struct property *prop)
  * Instead we just move the property to the "dead properties" list,
  * and add the new property to the property list
  */
-int prom_update_property(struct device_node *np,
-                         struct property *newprop)
+int of_update_property(struct device_node *np, struct property *newprop)
 {
         struct property **next, *oldprop;
         unsigned long flags;
-        int found = 0;
+        int rc, found = 0;
+
+        rc = of_property_notify(OF_RECONFIG_UPDATE_PROPERTY, np, newprop);
+        if (rc)
+                return rc;
 
         if (!newprop->name)
                 return -EINVAL;
 
         oldprop = of_find_property(np, newprop->name, NULL);
         if (!oldprop)
-                return prom_add_property(np, newprop);
+                return of_add_property(np, newprop);
 
         write_lock_irqsave(&devtree_lock, flags);
         next = &np->properties;
@@ -1246,12 +1277,55 @@ int prom_update_property(struct device_node *np,
  * device tree nodes.
  */
 
+static BLOCKING_NOTIFIER_HEAD(of_reconfig_chain);
+
+int of_reconfig_notifier_register(struct notifier_block *nb)
+{
+        return blocking_notifier_chain_register(&of_reconfig_chain, nb);
+}
+EXPORT_SYMBOL_GPL(of_reconfig_notifier_register);
+
+int of_reconfig_notifier_unregister(struct notifier_block *nb)
+{
+        return blocking_notifier_chain_unregister(&of_reconfig_chain, nb);
+}
+EXPORT_SYMBOL_GPL(of_reconfig_notifier_unregister);
+
+int of_reconfig_notify(unsigned long action, void *p)
+{
+        int rc;
+
+        rc = blocking_notifier_call_chain(&of_reconfig_chain, action, p);
+        return notifier_to_errno(rc);
+}
+
+#ifdef CONFIG_PROC_DEVICETREE
+static void of_add_proc_dt_entry(struct device_node *dn)
+{
+        struct proc_dir_entry *ent;
+
+        ent = proc_mkdir(strrchr(dn->full_name, '/') + 1, dn->parent->pde);
+        if (ent)
+                proc_device_tree_add_node(dn, ent);
+}
+#else
+static void of_add_proc_dt_entry(struct device_node *dn)
+{
+        return;
+}
+#endif
+
 /**
  * of_attach_node - Plug a device node into the tree and global list.
  */
-void of_attach_node(struct device_node *np)
+int of_attach_node(struct device_node *np)
 {
         unsigned long flags;
+        int rc;
+
+        rc = of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, np);
+        if (rc)
+                return rc;
 
         write_lock_irqsave(&devtree_lock, flags);
         np->sibling = np->parent->child;
@@ -1259,24 +1333,61 @@ void of_attach_node(struct device_node *np)
         np->parent->child = np;
         of_allnodes = np;
         write_unlock_irqrestore(&devtree_lock, flags);
+
+        of_add_proc_dt_entry(np);
+        return 0;
 }
 
+#ifdef CONFIG_PROC_DEVICETREE
+static void of_remove_proc_dt_entry(struct device_node *dn)
+{
+        struct device_node *parent = dn->parent;
+        struct property *prop = dn->properties;
+
+        while (prop) {
+                remove_proc_entry(prop->name, dn->pde);
+                prop = prop->next;
+        }
+
+        if (dn->pde)
+                remove_proc_entry(dn->pde->name, parent->pde);
+}
+#else
+static void of_remove_proc_dt_entry(struct device_node *dn)
+{
+        return;
+}
+#endif
+
 /**
  * of_detach_node - "Unplug" a node from the device tree.
  *
  * The caller must hold a reference to the node.  The memory associated with
  * the node is not freed until its refcount goes to zero.
  */
-void of_detach_node(struct device_node *np)
+int of_detach_node(struct device_node *np)
 {
         struct device_node *parent;
         unsigned long flags;
+        int rc = 0;
+
+        rc = of_reconfig_notify(OF_RECONFIG_DETACH_NODE, np);
+        if (rc)
+                return rc;
 
         write_lock_irqsave(&devtree_lock, flags);
 
+        if (of_node_check_flag(np, OF_DETACHED)) {
+                /* someone already detached it */
+                write_unlock_irqrestore(&devtree_lock, flags);
+                return rc;
+        }
+
         parent = np->parent;
-        if (!parent)
-                goto out_unlock;
+        if (!parent) {
+                write_unlock_irqrestore(&devtree_lock, flags);
+                return rc;
+        }
 
         if (of_allnodes == np)
                 of_allnodes = np->allnext;
@@ -1301,9 +1412,10 @@ void of_detach_node(struct device_node *np)
         }
 
         of_node_set_flag(np, OF_DETACHED);
-
-out_unlock:
         write_unlock_irqrestore(&devtree_lock, flags);
+
+        of_remove_proc_dt_entry(np);
+        return rc;
 }
 #endif /* defined(CONFIG_OF_DYNAMIC) */
 
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 9c31277b3a81..e7068c508800 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2140,14 +2140,16 @@ config FB_UDL
           To compile as a module, choose M here: the module name is udlfb.
 
 config FB_IBM_GXT4500
-        tristate "Framebuffer support for IBM GXT4500P adaptor"
+        tristate "Framebuffer support for IBM GXT4000P/4500P/6000P/6500P adaptors"
         depends on FB && PPC
         select FB_CFB_FILLRECT
         select FB_CFB_COPYAREA
         select FB_CFB_IMAGEBLIT
         ---help---
-          Say Y here to enable support for the IBM GXT4500P display
-          adaptor, found on some IBM System P (pSeries) machines.
+          Say Y here to enable support for the IBM GXT4000P/6000P and
+          GXT4500P/6500P display adaptor based on Raster Engine RC1000,
+          found on some IBM System P (pSeries) machines. This driver
+          doesn't use Geometry Engine GT1000.
 
 config FB_PS3
         tristate "PS3 GPU framebuffer driver"
diff --git a/drivers/video/gxt4500.c b/drivers/video/gxt4500.c
index 0e9afa41d163..4bdea6e9bd55 100644
--- a/drivers/video/gxt4500.c
+++ b/drivers/video/gxt4500.c
@@ -1,5 +1,6 @@
 /*
- * Frame buffer device for IBM GXT4500P and GXT6000P display adaptors
+ * Frame buffer device for IBM GXT4500P/6500P and GXT4000P/6000P
+ * display adaptors
  *
  * Copyright (C) 2006 Paul Mackerras, IBM Corp. <paulus@samba.org>
  */
@@ -14,6 +15,8 @@
 #include <linux/string.h>
 
 #define PCI_DEVICE_ID_IBM_GXT4500P      0x21c
+#define PCI_DEVICE_ID_IBM_GXT6500P      0x21b
+#define PCI_DEVICE_ID_IBM_GXT4000P      0x16e
 #define PCI_DEVICE_ID_IBM_GXT6000P      0x170
 
 /* GXT4500P registers */
@@ -173,6 +176,8 @@ static const struct fb_videomode defaultmode __devinitconst = {
 /* List of supported cards */
 enum gxt_cards {
         GXT4500P,
+        GXT6500P,
+        GXT4000P,
         GXT6000P
 };
 
@@ -182,6 +187,8 @@ static const struct cardinfo {
         const char *cardname;
 } cardinfo[] = {
         [GXT4500P] = { .refclk_ps = 9259, .cardname = "IBM GXT4500P" },
+        [GXT6500P] = { .refclk_ps = 9259, .cardname = "IBM GXT6500P" },
+        [GXT4000P] = { .refclk_ps = 40000, .cardname = "IBM GXT4000P" },
         [GXT6000P] = { .refclk_ps = 40000, .cardname = "IBM GXT6000P" },
 };
 
@@ -736,6 +743,10 @@ static void __devexit gxt4500_remove(struct pci_dev *pdev)
 static const struct pci_device_id gxt4500_pci_tbl[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_GXT4500P),
           .driver_data = GXT4500P },
+        { PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_GXT6500P),
+          .driver_data = GXT6500P },
+        { PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_GXT4000P),
+          .driver_data = GXT4000P },
         { PCI_DEVICE(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_GXT6000P),
           .driver_data = GXT6000P },
         { 0 }
@@ -768,7 +779,7 @@ static void __exit gxt4500_exit(void)
 module_exit(gxt4500_exit);
 
 MODULE_AUTHOR("Paul Mackerras <paulus@samba.org>");
-MODULE_DESCRIPTION("FBDev driver for IBM GXT4500P/6000P");
+MODULE_DESCRIPTION("FBDev driver for IBM GXT4500P/6500P and GXT4000P/6000P");
 MODULE_LICENSE("GPL");
 module_param(mode_option, charp, 0);
 MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\"");
diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c
index 4939e0ccc4e5..d294f67d6f84 100644
--- a/drivers/virt/fsl_hypervisor.c
+++ b/drivers/virt/fsl_hypervisor.c
@@ -796,9 +796,6 @@ static int has_fsl_hypervisor(void)
         struct device_node *node;
         int ret;
 
-        if (!(mfmsr() & MSR_GS))
-                return 0;
-
         node = of_find_node_by_path("/hypervisor");
         if (!node)
                 return 0;