diff options
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/ppc-pci.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_dev.c | 17 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_dn.c | 23 | ||||
| -rw-r--r-- | arch/powerpc/platforms/maple/pci.c | 34 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pasemi/pci.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powermac/pci.c | 38 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 6 |
9 files changed, 69 insertions, 59 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index 7d34f3d3ca0e..8e37b71674f4 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -274,7 +274,7 @@ void eeh_pe_restore_bars(struct eeh_pe *pe); const char *eeh_pe_loc_get(struct eeh_pe *pe); struct pci_bus *eeh_pe_bus_get(struct eeh_pe *pe); -void *eeh_dev_init(struct pci_dn *pdn, void *data); +struct eeh_dev *eeh_dev_init(struct pci_dn *pdn); void eeh_dev_phb_init_dynamic(struct pci_controller *phb); int eeh_init(void); int __init eeh_ops_register(struct eeh_ops *ops); diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h index 8753e4eb9ab5..0f73de069f19 100644 --- a/arch/powerpc/include/asm/ppc-pci.h +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -39,8 +39,6 @@ void *pci_traverse_device_nodes(struct device_node *start, void *traverse_pci_dn(struct pci_dn *root, void *(*fn)(struct pci_dn *, void *), void *data); - -extern void pci_devs_phb_init(void); extern void pci_devs_phb_init_dynamic(struct pci_controller *phb); /* From rtas_pci.h */ diff --git a/arch/powerpc/kernel/eeh_dev.c b/arch/powerpc/kernel/eeh_dev.c index 7815095fe3d8..d6b2ca70d14d 100644 --- a/arch/powerpc/kernel/eeh_dev.c +++ b/arch/powerpc/kernel/eeh_dev.c @@ -44,14 +44,13 @@ /** * eeh_dev_init - Create EEH device according to OF node * @pdn: PCI device node - * @data: PHB * * It will create EEH device according to the given OF node. The function * might be called by PCI emunation, DR, PHB hotplug. */ -void *eeh_dev_init(struct pci_dn *pdn, void *data) +struct eeh_dev *eeh_dev_init(struct pci_dn *pdn) { - struct pci_controller *phb = data; + struct pci_controller *phb = pdn->phb; struct eeh_dev *edev; /* Allocate EEH device */ @@ -69,7 +68,7 @@ void *eeh_dev_init(struct pci_dn *pdn, void *data) INIT_LIST_HEAD(&edev->list); INIT_LIST_HEAD(&edev->rmv_list); - return NULL; + return edev; } /** @@ -81,16 +80,8 @@ void *eeh_dev_init(struct pci_dn *pdn, void *data) */ void eeh_dev_phb_init_dynamic(struct pci_controller *phb) { - struct pci_dn *root = phb->pci_data; - /* EEH PE for PHB */ eeh_phb_pe_create(phb); - - /* EEH device for PHB */ - eeh_dev_init(root, phb); - - /* EEH devices for children OF nodes */ - traverse_pci_dn(root, eeh_dev_init, phb); } /** @@ -106,8 +97,6 @@ static int __init eeh_dev_phb_init(void) list_for_each_entry_safe(phb, tmp, &hose_list, list_node) eeh_dev_phb_init_dynamic(phb); - pr_info("EEH: devices created\n"); - return 0; } diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index afeda26c2ebc..bfe60a1e70d9 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -212,8 +212,7 @@ struct pci_dn *add_dev_pci_data(struct pci_dev *pdev) #ifdef CONFIG_EEH /* Create the EEH device for the VF */ - eeh_dev_init(pdn, pci_bus_to_host(pdev->bus)); - edev = pdn_to_eeh_dev(pdn); + edev = eeh_dev_init(pdn); BUG_ON(!edev); edev->physfn = pdev; #endif /* CONFIG_EEH */ @@ -295,8 +294,11 @@ struct pci_dn *pci_add_device_node_info(struct pci_controller *hose, const __be32 *regs; struct device_node *parent; struct pci_dn *pdn; +#ifdef CONFIG_EEH + struct eeh_dev *edev; +#endif - pdn = zalloc_maybe_bootmem(sizeof(*pdn), GFP_KERNEL); + pdn = kzalloc(sizeof(*pdn), GFP_KERNEL); if (pdn == NULL) return NULL; dn->data = pdn; @@ -325,6 +327,15 @@ struct pci_dn *pci_add_device_node_info(struct pci_controller *hose, /* Extended config space */ pdn->pci_ext_config_space = (type && of_read_number(type, 1) == 1); + /* Create EEH device */ +#ifdef CONFIG_EEH + edev = eeh_dev_init(pdn); + if (!edev) { + kfree(pdn); + return NULL; + } +#endif + /* Attach to parent node */ INIT_LIST_HEAD(&pdn->child_list); INIT_LIST_HEAD(&pdn->list); @@ -510,15 +521,19 @@ void pci_devs_phb_init_dynamic(struct pci_controller *phb) * pci device found underneath. This routine runs once, * early in the boot sequence. */ -void __init pci_devs_phb_init(void) +static int __init pci_devs_phb_init(void) { struct pci_controller *phb, *tmp; /* 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); + + return 0; } +core_initcall(pci_devs_phb_init); + static void pci_dev_pdn_setup(struct pci_dev *pdev) { struct pci_dn *pdn; diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index a923230e575b..a2f89e6326ce 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -568,6 +568,26 @@ void maple_pci_irq_fixup(struct pci_dev *dev) DBG(" <- maple_pci_irq_fixup\n"); } +static int maple_pci_root_bridge_prepare(struct pci_host_bridge *bridge) +{ + struct pci_controller *hose = pci_bus_to_host(bridge->bus); + struct device_node *np, *child; + + if (hose != u3_agp) + return 0; + + /* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We + * assume there is no P2P bridge on the AGP bus, which should be a + * safe assumptions hopefully. + */ + np = hose->dn; + PCI_DN(np)->busno = 0xf0; + for_each_child_of_node(np, child) + PCI_DN(child)->busno = 0xf0; + + return 0; +} + void __init maple_pci_init(void) { struct device_node *np, *root; @@ -605,19 +625,7 @@ void __init maple_pci_init(void) if (ht && maple_add_bridge(ht) != 0) of_node_put(ht); - /* Setup the linkage between OF nodes and PHBs */ - pci_devs_phb_init(); - - /* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We - * assume there is no P2P bridge on the AGP bus, which should be a - * safe assumptions hopefully. - */ - if (u3_agp) { - struct device_node *np = u3_agp->dn; - PCI_DN(np)->busno = 0xf0; - for (np = np->child; np; np = np->sibling) - PCI_DN(np)->busno = 0xf0; - } + ppc_md.pcibios_root_bridge_prepare = maple_pci_root_bridge_prepare; /* Tell pci.c to not change any resource allocations. */ pci_add_flags(PCI_PROBE_ONLY); diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c index f3a68a0fef23..10c4e8fc6ea9 100644 --- a/arch/powerpc/platforms/pasemi/pci.c +++ b/arch/powerpc/platforms/pasemi/pci.c @@ -229,9 +229,6 @@ void __init pas_pci_init(void) of_node_get(np); of_node_put(root); - - /* Setup the linkage between OF nodes and PHBs */ - pci_devs_phb_init(); } void __iomem *pasemi_pci_getcfgaddr(struct pci_dev *dev, int offset) diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 59ab16fa600f..6e06c3be2e9a 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -878,6 +878,29 @@ void pmac_pci_irq_fixup(struct pci_dev *dev) #endif /* CONFIG_PPC32 */ } +#ifdef CONFIG_PPC64 +static int pmac_pci_root_bridge_prepare(struct pci_host_bridge *bridge) +{ + struct pci_controller *hose = pci_bus_to_host(bridge->bus); + struct device_node *np, *child; + + if (hose != u3_agp) + return 0; + + /* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We + * assume there is no P2P bridge on the AGP bus, which should be a + * safe assumptions for now. We should do something better in the + * future though + */ + np = hose->dn; + PCI_DN(np)->busno = 0xf0; + for_each_child_of_node(np, child) + PCI_DN(child)->busno = 0xf0; + + return 0; +} +#endif /* CONFIG_PPC64 */ + void __init pmac_pci_init(void) { struct device_node *np, *root; @@ -914,20 +937,7 @@ void __init pmac_pci_init(void) if (ht && pmac_add_bridge(ht) != 0) of_node_put(ht); - /* Setup the linkage between OF nodes and PHBs */ - pci_devs_phb_init(); - - /* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We - * assume there is no P2P bridge on the AGP bus, which should be a - * safe assumptions for now. We should do something better in the - * future though - */ - if (u3_agp) { - struct device_node *np = u3_agp->dn; - PCI_DN(np)->busno = 0xf0; - for (np = np->child; np; np = np->sibling) - PCI_DN(np)->busno = 0xf0; - } + ppc_md.pcibios_root_bridge_prepare = pmac_pci_root_bridge_prepare; /* pmac_check_ht_link(); */ #else /* CONFIG_PPC64 */ diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index b1ee6314f946..0f1b8bf953e1 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -816,9 +816,6 @@ void __init pnv_pci_init(void) for_each_compatible_node(np, NULL, "ibm,ioda2-npu-phb") pnv_pci_init_npu_phb(np); - /* Setup the linkage between OF nodes and PHBs */ - pci_devs_phb_init(); - /* Configure IOMMU DMA hooks */ set_pci_dma_ops(&dma_iommu_ops); } diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 34668f9bc57b..e61e9b986e21 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -195,11 +195,8 @@ static int pci_dn_reconfig_notifier(struct notifier_block *nb, unsigned long act case OF_RECONFIG_ATTACH_NODE: parent = of_get_parent(np); pdn = parent ? PCI_DN(parent) : NULL; - if (pdn) { - /* Create pdn and EEH device */ + if (pdn) pci_add_device_node_info(pdn->phb, np); - eeh_dev_init(PCI_DN(np), pdn->phb); - } of_node_put(parent); break; @@ -422,7 +419,6 @@ static void __init find_and_init_phbs(void) } of_node_put(root); - pci_devs_phb_init(); /* * PCI_PROBE_ONLY and PCI_REASSIGN_ALL_BUS can be set via properties |