[PATCH] pciehp: request control of each hotplug controller individually

[linux-2.6-omap-h63xx.git] / drivers / pci / hotplug / rpadlpar_core.c

diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index 4ada15111af0849fafd69769d31d189942ab43c1..e8593a60ee89d001e928adc737cbd3c638aa0de7 100644 (file)
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -16,10 +16,13 @@
  */
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/string.h>
+
 #include <asm/pci-bridge.h>
 #include <asm/semaphore.h>
 #include <asm/rtas.h>
 #include <asm/vio.h>
+
 #include "../pci.h"
 #include "rpaphp.h"
 #include "rpadlpar.h"
@@ -134,7 +137,8 @@ static void rpadlpar_claim_one_bus(struct pci_bus *b)
 static int pci_add_secondary_bus(struct device_node *dn,
                struct pci_dev *bridge_dev)
 {
-       struct pci_controller *hose = dn->phb;
+       struct pci_dn *pdn = dn->data;
+       struct pci_controller *hose = pdn->phb;
        struct pci_bus *child;
        u8 sec_busno;
 
@@ -159,7 +163,7 @@ static int pci_add_secondary_bus(struct device_node *dn,
        if (hose->last_busno < child->number)
                hose->last_busno = child->number;
 
-       dn->bussubno = child->number;
+       pdn->bussubno = child->number;
 
        /* ioremap() for child bus, which may or may not succeed */
        remap_bus_range(child);
@@ -183,11 +187,12 @@ static struct pci_dev *dlpar_find_new_dev(struct pci_bus *parent,
 
 static struct pci_dev *dlpar_pci_add_bus(struct device_node *dn)
 {
-       struct pci_controller *hose = dn->phb;
+       struct pci_dn *pdn = dn->data;
+       struct pci_controller *hose = pdn->phb;
        struct pci_dev *dev = NULL;
 
        /* Scan phb bus for EADS device, adding new one to bus->devices */
-       if (!pci_scan_single_device(hose->bus, dn->devfn)) {
+       if (!pci_scan_single_device(hose->bus, pdn->devfn)) {
                printk(KERN_ERR "%s: found no device on bus\n", __FUNCTION__);
                return NULL;
        }
@@ -269,6 +274,7 @@ static int dlpar_remove_root_bus(struct pci_controller *phb)
 static int dlpar_remove_phb(char *drc_name, struct device_node *dn)
 {
        struct slot *slot;
+       struct pci_dn *pdn;
        int rc = 0;
 
        if (!rpaphp_find_pci_bus(dn))
@@ -285,12 +291,13 @@ static int dlpar_remove_phb(char *drc_name, struct device_node *dn)
                }
        }
 
-       BUG_ON(!dn->phb);
-       rc = dlpar_remove_root_bus(dn->phb);
+       pdn = dn->data;
+       BUG_ON(!pdn || !pdn->phb);
+       rc = dlpar_remove_root_bus(pdn->phb);
        if (rc < 0)
                return rc;
 
-       dn->phb = NULL;
+       pdn->phb = NULL;
 
        return 0;
 }
@@ -299,7 +306,7 @@ static int dlpar_add_phb(char *drc_name, struct device_node *dn)
 {
        struct pci_controller *phb;
 
-       if (dn->phb) {
+       if (PCI_DN(dn) && PCI_DN(dn)->phb) {
                /* PHB already exists */
                return -EINVAL;
        }