diff options
Diffstat (limited to 'arch/frv/mb93090-mb00/pci-frv.c')
| -rw-r--r-- | arch/frv/mb93090-mb00/pci-frv.c | 50 |
1 files changed, 12 insertions, 38 deletions
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c index 43d67534c71..67b1d168575 100644 --- a/arch/frv/mb93090-mb00/pci-frv.c +++ b/arch/frv/mb93090-mb00/pci-frv.c @@ -32,18 +32,16 @@ * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void -pcibios_align_resource(void *data, struct resource *res, +resource_size_t +pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) { - if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; + resource_size_t start = res->start; - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } + if ((res->flags & IORESOURCE_IO) && (start & 0x300)) + start = (start + 0x3ff) & ~0x3ff; + + return start; } @@ -86,19 +84,17 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) struct pci_bus *bus; struct pci_dev *dev; int idx; - struct resource *r, *pr; + struct resource *r; /* Depth-First Search on bus tree */ for (ln=bus_list->next; ln != bus_list; ln=ln->next) { - bus = pci_bus_b(ln); + bus = list_entry(ln, struct pci_bus, node); if ((dev = bus->self)) { for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) { r = &dev->resource[idx]; if (!r->start) continue; - pr = pci_find_parent_resource(dev, r); - if (!pr || request_resource(pr, r) < 0) - printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev)); + pci_claim_resource(dev, idx); } } pcibios_allocate_bus_resources(&bus->children); @@ -110,7 +106,7 @@ static void __init pcibios_allocate_resources(int pass) struct pci_dev *dev = NULL; int idx, disabled; u16 command; - struct resource *r, *pr; + struct resource *r; for_each_pci_dev(dev) { pci_read_config_word(dev, PCI_COMMAND, &command); @@ -127,9 +123,7 @@ static void __init pcibios_allocate_resources(int pass) if (pass == disabled) { DBG("PCI: Resource %08lx-%08lx (f=%lx, d=%d, p=%d)\n", r->start, r->end, r->flags, disabled, pass); - pr = pci_find_parent_resource(dev, r); - if (!pr || request_resource(pr, r) < 0) { - printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, pci_name(dev)); + if (pci_claim_resource(dev, idx) < 0) { /* We'll assign a new address later */ r->end -= r->start; r->start = 0; @@ -200,23 +194,3 @@ void __init pcibios_resource_survey(void) pcibios_allocate_resources(1); pcibios_assign_resources(); } - -/* - * If we set up a device for bus mastering, we need to check the latency - * timer as certain crappy BIOSes forget to set it properly. - */ -unsigned int pcibios_max_latency = 255; - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - if (lat < 16) - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; - else if (lat > pcibios_max_latency) - lat = pcibios_max_latency; - else - return; - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} |
