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authorJohn Rose <johnrose@austin.ibm.com>2005-11-04 15:30:56 -0600
committerPaul Mackerras <paulus@samba.org>2005-11-07 12:09:02 +1100
commitead837174d265b24334f0721a84cbdda8ccd89a7 (patch)
treea780bd6e7d47858d656d45165030b20a5a1dacfd
parentf912696ab330bf539231d1f8032320f2a08b850f (diff)
[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>
-rw-r--r--arch/ppc64/kernel/pci.c17
-rw-r--r--arch/ppc64/kernel/rtas_pci.c6
-rw-r--r--include/asm-powerpc/ppc-pci.h1
-rw-r--r--include/asm-ppc64/pci.h8
4 files changed, 19 insertions, 13 deletions
diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
index 3d2106b022a..30247ff7497 100644
--- 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 3ad15c90fbb..3c3f19192fc 100644
--- 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 a88728fba8f..13aacff755f 100644
--- 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 342e2d75555..fafdf885a3c 100644
--- 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);