diff options
| -rw-r--r-- | arch/parisc/kernel/pci.c | 32 | ||||
| -rw-r--r-- | drivers/parisc/lba_pci.c | 51 |
2 files changed, 7 insertions, 76 deletions
diff --git a/arch/parisc/kernel/pci.c b/arch/parisc/kernel/pci.c index 563df0072dee..8263d490b1b7 100644 --- a/arch/parisc/kernel/pci.c +++ b/arch/parisc/kernel/pci.c @@ -194,31 +194,6 @@ void __init pcibios_init_bus(struct pci_bus *bus) pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bridge_ctl); } - -/* KLUGE: Link the child and parent resources - generic PCI didn't */ -static void -pcibios_link_hba_resources( struct resource *hba_res, struct resource *r) -{ - if (!r->parent) { - printk(KERN_EMERG "PCI: resource not parented! [%p-%p]\n", - (void*) r->start, (void*) r->end); - r->parent = hba_res; - - /* reverse link is harder *sigh* */ - if (r->parent->child) { - if (r->parent->sibling) { - struct resource *next = r->parent->sibling; - while (next->sibling) - next = next->sibling; - next->sibling = r; - } else { - r->parent->sibling = r; - } - } else - r->parent->child = r; - } -} - /* called by drivers/pci/setup-bus.c:pci_setup_bridge(). */ void __devinit pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res) @@ -245,13 +220,6 @@ void __devinit pcibios_resource_to_bus(struct pci_dev *dev, DBG_RES("pcibios_resource_to_bus(%02x %s [%lx,%lx])\n", bus->number, res->flags & IORESOURCE_IO ? "IO" : "MEM", region->start, region->end); - - /* KLUGE ALERT - ** if this resource isn't linked to a "parent", then it seems - ** to be a child of the HBA - lets link it in. - */ - pcibios_link_hba_resources(&hba->io_space, bus->resource[0]); - pcibios_link_hba_resources(&hba->lmmio_space, bus->resource[1]); } void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 5b86ee5c1eeb..5eace9e66e14 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -557,44 +557,6 @@ lba_bios_init(void) #ifdef CONFIG_64BIT /* -** Determine if a device is already configured. -** If so, reserve it resources. -** -** Read PCI cfg command register and see if I/O or MMIO is enabled. -** PAT has to enable the devices it's using. -** -** Note: resources are fixed up before we try to claim them. -*/ -static void -lba_claim_dev_resources(struct pci_dev *dev) -{ - u16 cmd; - int i, srch_flags; - - (void) pci_read_config_word(dev, PCI_COMMAND, &cmd); - - srch_flags = (cmd & PCI_COMMAND_IO) ? IORESOURCE_IO : 0; - if (cmd & PCI_COMMAND_MEMORY) - srch_flags |= IORESOURCE_MEM; - - if (!srch_flags) - return; - - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - if (dev->resource[i].flags & srch_flags) { - pci_claim_resource(dev, i); - DBG(" claimed %s %d [%lx,%lx]/%lx\n", - pci_name(dev), i, - dev->resource[i].start, - dev->resource[i].end, - dev->resource[i].flags - ); - } - } -} - - -/* * truncate_pat_collision: Deal with overlaps or outright collisions * between PAT PDC reported ranges. * @@ -653,7 +615,6 @@ truncate_pat_collision(struct resource *root, struct resource *new) } #else -#define lba_claim_dev_resources(dev) do { } while (0) #define truncate_pat_collision(r,n) (0) #endif @@ -684,8 +645,12 @@ lba_fixup_bus(struct pci_bus *bus) ** pci_alloc_primary_bus() mangles this. */ if (bus->self) { + int i; /* PCI-PCI Bridge */ pci_read_bridge_bases(bus); + for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) { + pci_claim_resource(bus->self, i); + } } else { /* Host-PCI Bridge */ int err, i; @@ -803,6 +768,9 @@ lba_fixup_bus(struct pci_bus *bus) DBG("lba_fixup_bus() WTF? 0x%lx [%lx/%lx] XXX", res->flags, res->start, res->end); } + if ((i != PCI_ROM_RESOURCE) || + (res->flags & IORESOURCE_ROM_ENABLE)) + pci_claim_resource(dev, i); } #ifdef FBB_SUPPORT @@ -814,11 +782,6 @@ lba_fixup_bus(struct pci_bus *bus) bus->bridge_ctl &= ~(status & PCI_STATUS_FAST_BACK); #endif - if (is_pdc_pat()) { - /* Claim resources for PDC's devices */ - lba_claim_dev_resources(dev); - } - /* ** P2PB's have no IRQs. ignore them. */ |