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Diffstat (limited to 'arch/ia64/pci/pci.c')
-rw-r--r--arch/ia64/pci/pci.c70
1 files changed, 43 insertions, 27 deletions
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 88641e5095b..54d9ed444e4 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -33,8 +33,6 @@
#include <asm/hw_irq.h>
-static int pci_routeirq;
-
/*
* Low-level SAL-based PCI configuration access functions. Note that SAL
* calls are already serialized (via sal_lock), so we don't need another
@@ -139,24 +137,8 @@ static void acpi_map_iosapics(void)
static int __init
pci_acpi_init (void)
{
- struct pci_dev *dev = NULL;
-
- printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n");
-
acpi_map_iosapics();
- if (pci_routeirq) {
- /*
- * PCI IRQ routing is set up by pci_enable_device(), but we
- * also do it here in case there are still broken drivers that
- * don't use pci_enable_device().
- */
- printk(KERN_INFO "PCI: Routing interrupts for all devices because \"pci=routeirq\" specified\n");
- for_each_pci_dev(dev)
- acpi_pci_irq_enable(dev);
- } else
- printk(KERN_INFO "PCI: If a device doesn't work, try \"pci=routeirq\". If it helps, post a report\n");
-
return 0;
}
@@ -175,6 +157,7 @@ alloc_pci_controller (int seg)
memset(controller, 0, sizeof(*controller));
controller->segment = seg;
+ controller->node = -1;
return controller;
}
@@ -306,6 +289,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
unsigned int windows = 0;
struct pci_bus *pbus;
char *name;
+ int pxm;
controller = alloc_pci_controller(domain);
if (!controller)
@@ -313,10 +297,16 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
controller->acpi_handle = device->handle;
+ pxm = acpi_get_pxm(controller->acpi_handle);
+#ifdef CONFIG_NUMA
+ if (pxm >= 0)
+ controller->node = pxm_to_nid_map[pxm];
+#endif
+
acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
&windows);
- controller->window = kmalloc(sizeof(*controller->window) * windows,
- GFP_KERNEL);
+ controller->window = kmalloc_node(sizeof(*controller->window) * windows,
+ GFP_KERNEL, controller->node);
if (!controller->window)
goto out2;
@@ -330,7 +320,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
&info);
- pbus = pci_scan_bus(bus, &pci_root_ops, controller);
+ pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
if (pbus)
pcibios_setup_root_windows(pbus, controller);
@@ -391,6 +381,25 @@ void pcibios_bus_to_resource(struct pci_dev *dev,
res->end = region->end + offset;
}
+static int __devinit is_valid_resource(struct pci_dev *dev, int idx)
+{
+ unsigned int i, type_mask = IORESOURCE_IO | IORESOURCE_MEM;
+ struct resource *devr = &dev->resource[idx];
+
+ if (!dev->bus)
+ return 0;
+ for (i=0; i<PCI_BUS_NUM_RESOURCES; i++) {
+ struct resource *busr = dev->bus->resource[i];
+
+ if (!busr || ((busr->flags ^ devr->flags) & type_mask))
+ continue;
+ if ((devr->start) && (devr->start >= busr->start) &&
+ (devr->end <= busr->end))
+ return 1;
+ }
+ return 0;
+}
+
static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
{
struct pci_bus_region region;
@@ -404,7 +413,8 @@ static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
region.start = dev->resource[i].start;
region.end = dev->resource[i].end;
pcibios_bus_to_resource(dev, &dev->resource[i], &region);
- pci_claim_resource(dev, i);
+ if ((is_valid_resource(dev, i)))
+ pci_claim_resource(dev, i);
}
}
@@ -416,6 +426,10 @@ pcibios_fixup_bus (struct pci_bus *b)
{
struct pci_dev *dev;
+ if (b->self) {
+ pci_read_bridge_bases(b);
+ pcibios_fixup_device_resources(b->self);
+ }
list_for_each_entry(dev, &b->devices, bus_list)
pcibios_fixup_device_resources(dev);
@@ -436,18 +450,24 @@ pcibios_enable_resources (struct pci_dev *dev, int mask)
u16 cmd, old_cmd;
int idx;
struct resource *r;
+ unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM;
if (!dev)
return -EINVAL;
pci_read_config_word(dev, PCI_COMMAND, &cmd);
old_cmd = cmd;
- for (idx=0; idx<6; idx++) {
+ for (idx=0; idx<PCI_NUM_RESOURCES; idx++) {
/* Only set up the desired resources. */
if (!(mask & (1 << idx)))
continue;
r = &dev->resource[idx];
+ if (!(r->flags & type_mask))
+ continue;
+ if ((idx == PCI_ROM_RESOURCE) &&
+ (!(r->flags & IORESOURCE_ROM_ENABLE)))
+ continue;
if (!r->start && r->end) {
printk(KERN_ERR
"PCI: Device %s not available because of resource collisions\n",
@@ -459,8 +479,6 @@ pcibios_enable_resources (struct pci_dev *dev, int mask)
if (r->flags & IORESOURCE_MEM)
cmd |= PCI_COMMAND_MEMORY;
}
- if (dev->resource[PCI_ROM_RESOURCE].start)
- cmd |= PCI_COMMAND_MEMORY;
if (cmd != old_cmd) {
printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
@@ -500,8 +518,6 @@ pcibios_align_resource (void *data, struct resource *res,
char * __init
pcibios_setup (char *str)
{
- if (!strcmp(str, "routeirq"))
- pci_routeirq = 1;
return NULL;
}