diff options
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 1037b3a093e..88838b0f8b9 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1034,7 +1034,7 @@ clear_resource: } } -static inline void __devinit alloc_resource(struct pci_dev *dev, int idx) +static inline int __devinit alloc_resource(struct pci_dev *dev, int idx) { struct resource *pr, *r = &dev->resource[idx]; @@ -1058,7 +1058,10 @@ static inline void __devinit alloc_resource(struct pci_dev *dev, int idx) r->flags |= IORESOURCE_UNSET; r->end -= r->start; r->start = 0; + + return -EBUSY; } + return 0; } static void __init pcibios_allocate_resources(int pass) @@ -1080,8 +1083,12 @@ static void __init pcibios_allocate_resources(int pass) disabled = !(command & PCI_COMMAND_IO); else disabled = !(command & PCI_COMMAND_MEMORY); - if (pass == disabled) - alloc_resource(dev, idx); + if (pass == disabled && alloc_resource(dev, idx)) { + command &= ~(r->flags & (IORESOURCE_IO | + IORESOURCE_MEM)); + pci_write_config_word(dev, + PCI_COMMAND, command); + } } if (pass) continue; |