diff options
Diffstat (limited to 'arch/arm/kernel/bios32.c')
-rw-r--r-- | arch/arm/kernel/bios32.c | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index b259956365a0..c1809fb549dd 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -458,10 +458,14 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, int nr, busnr; for (nr = busnr = 0; nr < hw->nr_controllers; nr++) { - sys = kzalloc(sizeof(struct pci_sys_data), GFP_KERNEL); - if (WARN(!sys, "PCI: unable to allocate sys data!")) + struct pci_host_bridge *bridge; + + bridge = pci_alloc_host_bridge(sizeof(struct pci_sys_data)); + if (WARN(!bridge, "PCI: unable to allocate bridge!")) break; + sys = pci_host_bridge_priv(bridge); + sys->busnr = busnr; sys->swizzle = hw->swizzle; sys->map_irq = hw->map_irq; @@ -473,34 +477,44 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, ret = hw->setup(nr, sys); if (ret > 0) { - struct pci_host_bridge *host_bridge; ret = pcibios_init_resource(nr, sys, hw->io_optional); if (ret) { - kfree(sys); + pci_free_host_bridge(bridge); break; } + bridge->map_irq = pcibios_map_irq; + bridge->swizzle_irq = pcibios_swizzle; + if (hw->scan) - sys->bus = hw->scan(nr, sys); - else - sys->bus = pci_scan_root_bus_msi(parent, - sys->busnr, hw->ops, sys, - &sys->resources, hw->msi_ctrl); - - if (WARN(!sys->bus, "PCI: unable to scan bus!")) { - kfree(sys); + ret = hw->scan(nr, bridge); + else { + list_splice_init(&sys->resources, + &bridge->windows); + bridge->dev.parent = parent; + bridge->sysdata = sys; + bridge->busnr = sys->busnr; + bridge->ops = hw->ops; + bridge->msi = hw->msi_ctrl; + bridge->align_resource = + hw->align_resource; + + ret = pci_scan_root_bus_bridge(bridge); + } + + if (WARN(ret < 0, "PCI: unable to scan bus!")) { + pci_free_host_bridge(bridge); break; } + sys->bus = bridge->bus; + busnr = sys->bus->busn_res.end + 1; list_add(&sys->node, head); - - host_bridge = pci_find_host_bridge(sys->bus); - host_bridge->align_resource = hw->align_resource; } else { - kfree(sys); + pci_free_host_bridge(bridge); if (ret < 0) break; } @@ -519,8 +533,6 @@ void pci_common_init_dev(struct device *parent, struct hw_pci *hw) if (hw->postinit) hw->postinit(); - pci_fixup_irqs(pcibios_swizzle, pcibios_map_irq); - list_for_each_entry(sys, &head, node) { struct pci_bus *bus = sys->bus; |