diff options
Diffstat (limited to 'arch/mips/pci/pci-legacy.c')
| -rw-r--r-- | arch/mips/pci/pci-legacy.c | 40 |
1 files changed, 2 insertions, 38 deletions
diff --git a/arch/mips/pci/pci-legacy.c b/arch/mips/pci/pci-legacy.c index 78c22987bef0..c24226ea0a6e 100644 --- a/arch/mips/pci/pci-legacy.c +++ b/arch/mips/pci/pci-legacy.c @@ -241,47 +241,11 @@ static int __init pcibios_init(void) subsys_initcall(pcibios_init); -static int pcibios_enable_resources(struct pci_dev *dev, int mask) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for (idx=0; idx < PCI_NUM_RESOURCES; idx++) { - /* Only set up the requested stuff */ - if (!(mask & (1<<idx))) - continue; - - r = &dev->resource[idx]; - if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM))) - continue; - if ((idx == PCI_ROM_RESOURCE) && - (!(r->flags & IORESOURCE_ROM_ENABLE))) - continue; - if (!r->start && r->end) { - pci_err(dev, - "can't enable device: resource collisions\n"); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (cmd != old_cmd) { - pci_info(dev, "enabling device (%04x -> %04x)\n", old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - int pcibios_enable_device(struct pci_dev *dev, int mask) { - int err; + int err = pci_enable_resources(dev, mask); - if ((err = pcibios_enable_resources(dev, mask)) < 0) + if (err < 0) return err; return pcibios_plat_dev_init(dev); |