[PATCH] dlpar enable for OF pci probe

This patch contains the arch/ppc64 bits for enabling DLPAR and PCI
Hotplug for the new OF-based PCI probe mechanism.  This code path is
currently broken.

Signed-off-by: John Rose <johnrose@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
index 3d2106b022a11f1376947255374278e2b6d30fcb..30247ff74972d3ef3a4048b3baca0d24141e5420 100644 (file)
--- a/arch/ppc64/kernel/pci.c
+++ b/arch/ppc64/kernel/pci.c
@@ -295,8 +295,8 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev)
        }
 }
 
-static struct pci_dev *of_create_pci_dev(struct device_node *node,
-                                        struct pci_bus *bus, int devfn)
+struct pci_dev *of_create_pci_dev(struct device_node *node,
+                                struct pci_bus *bus, int devfn)
 {
        struct pci_dev *dev;
        const char *type;
@@ -354,10 +354,9 @@ static struct pci_dev *of_create_pci_dev(struct device_node *node,
 
        return dev;
 }
+EXPORT_SYMBOL(of_create_pci_dev);
 
-static void of_scan_pci_bridge(struct device_node *node, struct pci_dev *dev);
-
-static void __devinit of_scan_bus(struct device_node *node,
+void __devinit of_scan_bus(struct device_node *node,
                                  struct pci_bus *bus)
 {
        struct device_node *child = NULL;
@@ -381,9 +380,10 @@ static void __devinit of_scan_bus(struct device_node *node,
 
        do_bus_setup(bus);
 }
+EXPORT_SYMBOL(of_scan_bus);
 
-static void __devinit of_scan_pci_bridge(struct device_node *node,
-                                        struct pci_dev *dev)
+void __devinit of_scan_pci_bridge(struct device_node *node,
+                               struct pci_dev *dev)
 {
        struct pci_bus *bus;
        u32 *busrange, *ranges;
@@ -464,9 +464,10 @@ static void __devinit of_scan_pci_bridge(struct device_node *node,
        else if (mode == PCI_PROBE_NORMAL)
                pci_scan_child_bus(bus);
 }
+EXPORT_SYMBOL(of_scan_pci_bridge);
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
-static void __devinit scan_phb(struct pci_controller *hose)
+void __devinit scan_phb(struct pci_controller *hose)
 {
        struct pci_bus *bus;
        struct device_node *node = hose->arch_data;

diff --git a/arch/ppc64/kernel/rtas_pci.c b/arch/ppc64/kernel/rtas_pci.c
index 3ad15c90fbbd29f55017735666719c96e79a561c..3c3f19192fcc9e164feab51b342e4d4344c94047 100644 (file)
--- a/arch/ppc64/kernel/rtas_pci.c
+++ b/arch/ppc64/kernel/rtas_pci.c
@@ -440,7 +440,6 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
        struct device_node *root = of_find_node_by_path("/");
        unsigned int root_size_cells = 0;
        struct pci_controller *phb;
-       struct pci_bus *bus;
        int primary;
 
        root_size_cells = prom_n_size_cells(root);
@@ -456,10 +455,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
        of_node_put(root);
 
        pci_devs_phb_init_dynamic(phb);
-       phb->last_busno = 0xff;
-       bus = pci_scan_bus(phb->first_busno, phb->ops, phb->arch_data);
-       phb->bus = bus;
-       phb->last_busno = bus->subordinate;
+       scan_phb(phb);
 
        return phb;
 }

diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index a88728fba8f68953e81ccef575ea27d67afb8e7d..13aacff755f383ab21c2f7c997fdf10187a21f25 100644 (file)
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -34,6 +34,7 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre,
 
 void pci_devs_phb_init(void);
 void pci_devs_phb_init_dynamic(struct pci_controller *phb);
+void __devinit scan_phb(struct pci_controller *hose);
 
 /* PCI address cache management routines */
 void pci_addr_cache_insert_device(struct pci_dev *dev);

diff --git a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
index 342e2d755550a1de3cf7907352e86b54ce53fcad..fafdf885a3cca595091c3520a4bde7b390b5dceb 100644 (file)
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-ppc64/pci.h
@@ -162,6 +162,14 @@ pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus);
 
 extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
 
+extern struct pci_dev *of_create_pci_dev(struct device_node *node,
+                                       struct pci_bus *bus, int devfn);
+
+extern void of_scan_pci_bridge(struct device_node *node,
+                               struct pci_dev *dev);
+
+extern void of_scan_bus(struct device_node *node, struct pci_bus *bus);
+
 extern int pci_read_irq_line(struct pci_dev *dev);
 
 extern void pcibios_add_platform_entries(struct pci_dev *dev);