vserver 2.0 rc7

[linux-2.6.git] / arch / ppc64 / kernel / pci_dn.c

diff --git a/arch/ppc64/kernel/pci_dn.c b/arch/ppc64/kernel/pci_dn.c
index 280b744..ec34546 100644 (file)
--- a/arch/ppc64/kernel/pci_dn.c
+++ b/arch/ppc64/kernel/pci_dn.c
@@ -27,6 +27,7 @@
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/pci-bridge.h>
+#include <asm/pSeries_reconfig.h>
 
 #include "pci.h"
 
@@ -37,6 +38,7 @@
 static void * __devinit update_dn_pci_info(struct device_node *dn, void *data)
 {
        struct pci_controller *phb = data;
+       int *type = (int *)get_property(dn, "ibm,pci-config-space-type", NULL);
        u32 *regs;
 
        dn->phb = phb;
@@ -46,6 +48,8 @@ static void * __devinit update_dn_pci_info(struct device_node *dn, void *data)
                dn->busno = (regs[0] >> 16) & 0xff;
                dn->devfn = (regs[0] >> 8) & 0xff;
        }
+
+       dn->pci_ext_config_space = (type && *type == 1);
        return NULL;
 }
 
@@ -158,6 +162,25 @@ struct device_node *fetch_dev_dn(struct pci_dev *dev)
 }
 EXPORT_SYMBOL(fetch_dev_dn);
 
+static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long action, void *node)
+{
+       struct device_node *np = node;
+       int err = NOTIFY_OK;
+
+       switch (action) {
+       case PSERIES_RECONFIG_ADD:
+               update_dn_pci_info(np, np->parent->phb);
+               break;
+       default:
+               err = NOTIFY_DONE;
+               break;
+       }
+       return err;
+}
+
+static struct notifier_block pci_dn_reconfig_nb = {
+       .notifier_call = pci_dn_reconfig_notifier,
+};
 
 /*
  * Actually initialize the phbs.
@@ -170,4 +193,6 @@ void __init pci_devs_phb_init(void)
        /* This must be done first so the device nodes have valid pci info! */
        list_for_each_entry_safe(phb, tmp, &hose_list, list_node)
                pci_devs_phb_init_dynamic(phb);
+
+       pSeries_reconfig_notifier_register(&pci_dn_reconfig_nb);
 }