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Diffstat (limited to 'arch/i386/pci')
-rw-r--r--arch/i386/pci/common.c1
-rw-r--r--arch/i386/pci/i386.c11
-rw-r--r--arch/i386/pci/irq.c16
-rw-r--r--arch/i386/pci/visws.c2
4 files changed, 20 insertions, 10 deletions
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 87325263cd4..70bcd53451f 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -165,6 +165,7 @@ static int __init pcibios_init(void)
if ((pci_probe & PCI_BIOS_SORT) && !(pci_probe & PCI_NO_SORT))
pcibios_sort();
#endif
+ pci_assign_unassigned_resources();
return 0;
}
diff --git a/arch/i386/pci/i386.c b/arch/i386/pci/i386.c
index c205ea7e233..93a364c8215 100644
--- a/arch/i386/pci/i386.c
+++ b/arch/i386/pci/i386.c
@@ -106,11 +106,16 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
if ((dev = bus->self)) {
for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) {
r = &dev->resource[idx];
- if (!r->start)
+ if (!r->flags)
continue;
pr = pci_find_parent_resource(dev, r);
- if (!pr || request_resource(pr, r) < 0)
+ if (!r->start || !pr || request_resource(pr, r) < 0) {
printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev));
+ /* Something is wrong with the region.
+ Invalidate the resource to prevent child
+ resource allocations in this range. */
+ r->flags = 0;
+ }
}
}
pcibios_allocate_bus_resources(&bus->children);
@@ -227,7 +232,7 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask)
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 requested stuff */
if (!(mask & (1<<idx)))
continue;
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 78ca1ecbb90..766b104ac1a 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -1051,24 +1051,28 @@ static int __init pcibios_irq_init(void)
subsys_initcall(pcibios_irq_init);
-static void pirq_penalize_isa_irq(int irq)
+static void pirq_penalize_isa_irq(int irq, int active)
{
/*
* If any ISAPnP device reports an IRQ in its list of possible
* IRQ's, we try to avoid assigning it to PCI devices.
*/
- if (irq < 16)
- pirq_penalty[irq] += 100;
+ if (irq < 16) {
+ if (active)
+ pirq_penalty[irq] += 1000;
+ else
+ pirq_penalty[irq] += 100;
+ }
}
-void pcibios_penalize_isa_irq(int irq)
+void pcibios_penalize_isa_irq(int irq, int active)
{
#ifdef CONFIG_ACPI_PCI
if (!acpi_noirq)
- acpi_penalize_isa_irq(irq);
+ acpi_penalize_isa_irq(irq, active);
else
#endif
- pirq_penalize_isa_irq(irq);
+ pirq_penalize_isa_irq(irq, active);
}
static int pirq_enable_irq(struct pci_dev *dev)
diff --git a/arch/i386/pci/visws.c b/arch/i386/pci/visws.c
index 6a924878443..314c933b6b8 100644
--- a/arch/i386/pci/visws.c
+++ b/arch/i386/pci/visws.c
@@ -21,7 +21,7 @@ static int pci_visws_enable_irq(struct pci_dev *dev) { return 0; }
int (*pcibios_enable_irq)(struct pci_dev *dev) = &pci_visws_enable_irq;
-void __init pcibios_penalize_isa_irq(int irq) {}
+void __init pcibios_penalize_isa_irq(int irq, int active) {}
unsigned int pci_bus0, pci_bus1;