aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/pci/pci_32.c1
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h27
-rw-r--r--arch/powerpc/include/asm/pci.h2
-rw-r--r--arch/powerpc/kernel/of_platform.c2
-rw-r--r--arch/powerpc/kernel/pci-common.c11
-rw-r--r--arch/powerpc/kernel/pci_32.c2
-rw-r--r--arch/powerpc/kernel/pci_64.c6
-rw-r--r--arch/powerpc/kernel/pci_dn.c9
-rw-r--r--arch/powerpc/kernel/pci_of_scan.c4
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c2
10 files changed, 24 insertions, 42 deletions
diff --git a/arch/microblaze/pci/pci_32.c b/arch/microblaze/pci/pci_32.c
index 3c3d808d7ce..92728a6cfd8 100644
--- a/arch/microblaze/pci/pci_32.c
+++ b/arch/microblaze/pci/pci_32.c
@@ -332,6 +332,7 @@ static void __devinit pcibios_scan_phb(struct pci_controller *hose)
hose->global_number);
return;
}
+ bus.dev->of_node = of_node_get(node);
bus->secondary = hose->first_busno;
hose->bus = bus;
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index edeb80fdd2c..5e156e034fe 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -164,13 +164,13 @@ extern void setup_indirect_pci(struct pci_controller* hose,
resource_size_t cfg_addr,
resource_size_t cfg_data, u32 flags);
-#ifndef CONFIG_PPC64
-
static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus)
{
return bus->sysdata;
}
+#ifndef CONFIG_PPC64
+
static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
{
struct pci_controller *host;
@@ -228,19 +228,10 @@ extern void * update_dn_pci_info(struct device_node *dn, void *data);
/* Get a device_node from a pci_dev. This code must be fast except
* in the case where the sysdata is incorrect and needs to be fixed
- * up (this will only happen once).
- * In this case the sysdata will have been inherited from a PCI host
- * bridge or a PCI-PCI bridge further up the tree, so it will point
- * to a valid struct pci_dn, just not the one we want.
- */
+ * up (this will only happen once). */
static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
{
- struct device_node *dn = dev->sysdata;
- struct pci_dn *pdn = dn->data;
-
- if (pdn && pdn->devfn == dev->devfn && pdn->busno == dev->bus->number)
- return dn; /* fast path. sysdata is good */
- return fetch_dev_dn(dev);
+ return dev->dev.of_node ? dev->dev.of_node : fetch_dev_dn(dev);
}
static inline int pci_device_from_OF_node(struct device_node *np,
@@ -258,7 +249,7 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
if (bus->self)
return pci_device_to_OF_node(bus->self);
else
- return bus->sysdata; /* Must be root bus (PHB) */
+ return bus->dev.of_node; /* Must be root bus (PHB) */
}
/** Find the bus corresponding to the indicated device node */
@@ -270,14 +261,6 @@ extern void pcibios_remove_pci_devices(struct pci_bus *bus);
/** Discover new pci devices under this bus, and add them */
extern void pcibios_add_pci_devices(struct pci_bus *bus);
-static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus)
-{
- struct device_node *busdn = bus->sysdata;
-
- BUG_ON(busdn == NULL);
- return PCI_DN(busdn)->phb;
-}
-
extern void isa_bridge_find_early(struct pci_controller *hose);
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index a20a9ad2258..7d7790954e0 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -201,7 +201,7 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
extern void pcibios_setup_bus_devices(struct pci_bus *bus);
extern void pcibios_setup_bus_self(struct pci_bus *bus);
extern void pcibios_setup_phb_io_space(struct pci_controller *hose);
-extern void pcibios_scan_phb(struct pci_controller *hose, void *sysdata);
+extern void pcibios_scan_phb(struct pci_controller *hose);
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_PCI_H */
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index b2c363ef38a..9bd951c6776 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -74,7 +74,7 @@ static int __devinit of_pci_phb_probe(struct platform_device *dev,
#endif /* CONFIG_EEH */
/* Scan the bus */
- pcibios_scan_phb(phb, dev->dev.of_node);
+ pcibios_scan_phb(phb);
if (phb->bus == NULL)
return -ENXIO;
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index eb341be9a4d..3cd85faa8ac 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1688,13 +1688,8 @@ int early_find_capability(struct pci_controller *hose, int bus, int devfn,
/**
* pci_scan_phb - Given a pci_controller, setup and scan the PCI bus
* @hose: Pointer to the PCI host controller instance structure
- * @sysdata: value to use for sysdata pointer. ppc32 and ppc64 differ here
- *
- * Note: the 'data' pointer is a temporary measure. As 32 and 64 bit
- * pci code gets merged, this parameter should become unnecessary because
- * both will use the same value.
*/
-void __devinit pcibios_scan_phb(struct pci_controller *hose, void *sysdata)
+void __devinit pcibios_scan_phb(struct pci_controller *hose)
{
struct pci_bus *bus;
struct device_node *node = hose->dn;
@@ -1704,13 +1699,13 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose, void *sysdata)
node ? node->full_name : "<NO NAME>");
/* Create an empty bus for the toplevel */
- bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops,
- sysdata);
+ bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose);
if (bus == NULL) {
pr_err("Failed to create bus for PCI domain %04x\n",
hose->global_number);
return;
}
+ bus->dev.of_node = of_node_get(node);
bus->secondary = hose->first_busno;
hose->bus = bus;
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index e7db5b48004..bedb370459f 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -381,7 +381,7 @@ static int __init pcibios_init(void)
if (pci_assign_all_buses)
hose->first_busno = next_busno;
hose->last_busno = 0xff;
- pcibios_scan_phb(hose, hose);
+ pcibios_scan_phb(hose);
pci_bus_add_devices(hose->bus);
if (pci_assign_all_buses || next_busno <= hose->last_busno)
next_busno = hose->last_busno + pcibios_assign_bus_offset;
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 851577608a7..fc6452b6be9 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -64,7 +64,7 @@ static int __init pcibios_init(void)
/* Scan all of the recorded PCI controllers. */
list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
- pcibios_scan_phb(hose, hose->dn);
+ pcibios_scan_phb(hose);
pci_bus_add_devices(hose->bus);
}
@@ -242,10 +242,10 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
break;
bus = NULL;
}
- if (bus == NULL || bus->sysdata == NULL)
+ if (bus == NULL || bus->dev.of_node == NULL)
return -ENODEV;
- hose_node = (struct device_node *)bus->sysdata;
+ hose_node = bus->dev.of_node;
hose = PCI_DN(hose_node)->phb;
switch (which) {
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c
index d56b35ee7f7..29852688cea 100644
--- a/arch/powerpc/kernel/pci_dn.c
+++ b/arch/powerpc/kernel/pci_dn.c
@@ -161,7 +161,7 @@ static void *is_devfn_node(struct device_node *dn, void *data)
/*
* This is the "slow" path for looking up a device_node from a
* pci_dev. It will hunt for the device under its parent's
- * phb and then update sysdata for a future fastpath.
+ * phb and then update of_node pointer.
*
* It may also do fixups on the actual device since this happens
* on the first read/write.
@@ -170,16 +170,19 @@ static void *is_devfn_node(struct device_node *dn, void *data)
* In this case it may probe for real hardware ("just in case")
* and add a device_node to the device tree if necessary.
*
+ * Is this function necessary anymore now that dev->dev.of_node is
+ * used to store the node pointer?
+ *
*/
struct device_node *fetch_dev_dn(struct pci_dev *dev)
{
- struct device_node *orig_dn = dev->sysdata;
+ struct device_node *orig_dn = dev->dev.of_node;
struct device_node *dn;
unsigned long searchval = (dev->bus->number << 8) | dev->devfn;
dn = traverse_pci_devices(orig_dn, is_devfn_node, (void *)searchval);
if (dn)
- dev->sysdata = dn;
+ dev->dev.of_node = dn;
return dn;
}
EXPORT_SYMBOL(fetch_dev_dn);
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index e751506323b..1e89a72fd03 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -135,7 +135,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
pr_debug(" create device, devfn: %x, type: %s\n", devfn, type);
dev->bus = bus;
- dev->sysdata = node;
+ dev->dev.of_node = of_node_get(node);
dev->dev.parent = bus->bridge;
dev->dev.bus = &pci_bus_type;
dev->devfn = devfn;
@@ -238,7 +238,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node,
bus->primary = dev->bus->number;
bus->subordinate = busrange[1];
bus->bridge_ctl = 0;
- bus->sysdata = node;
+ bus->dev.of_node = of_node_get(node);
/* parse ranges property */
/* PCI #address-cells == 3 and #size-cells == 2 always */
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 5fcc92a12d3..3bf4488aaec 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -149,7 +149,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn)
if (dn->child)
eeh_add_device_tree_early(dn);
- pcibios_scan_phb(phb, dn);
+ pcibios_scan_phb(phb);
pcibios_finish_adding_to_bus(phb->bus);
return phb;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-23 05:20:42 +0000