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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-07-11 09:58:04 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-07-11 09:58:04 +0400 |
| commit | e0d21d9cca25f424f3129649be48a63c128ed42d (patch) | |
| tree | 0a7d407639876e02deef1721817615eaa8c673a3 /arch/i386/pci/i386.c | |
| parent | beffbdc2211826b174c68307b1b48c93c05d7ded (diff) | |
| parent | 5c23804a0941a111752fdacefe0bea2db1b4d93f (diff) | |
| download | linux-e0d21d9cca25f424f3129649be48a63c128ed42d.tar.xz | |
Merge rsync://www.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/i386/pci/i386.c')
| -rw-r--r-- | arch/i386/pci/i386.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/i386/pci/i386.c b/arch/i386/pci/i386.c index c205ea7e233b..93a364c82150 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; |