struct acpi_mcfg_allocation *cfg;
int cfg_num;
- if (seg == 0 && bus < PCI_MMCFG_MAX_CHECK_BUS &&
- test_bit(PCI_SLOT(devfn) + 32*bus, pci_mmcfg_fallback_slots))
- return 0;
-
for (cfg_num = 0; cfg_num < pci_mmcfg_config_num; cfg_num++) {
cfg = &pci_mmcfg_config[cfg_num];
if (cfg->pci_segment == seg &&
u32 base;
if ((bus > 255) || (devfn > 255) || (reg > 4095)) {
- *value = -1;
+err: *value = -1;
return -EINVAL;
}
base = get_base_addr(seg, bus, devfn);
if (!base)
- return pci_conf1_read(seg,bus,devfn,reg,len,value);
+ goto err;
spin_lock_irqsave(&pci_config_lock, flags);
base = get_base_addr(seg, bus, devfn);
if (!base)
- return pci_conf1_write(seg,bus,devfn,reg,len,value);
+ return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
.write = pci_mmcfg_write,
};
-int __init pci_mmcfg_arch_reachable(unsigned int seg, unsigned int bus,
- unsigned int devfn)
+int __init pci_mmcfg_arch_init(void)
{
- return get_base_addr(seg, bus, devfn) != 0;
+ printk(KERN_INFO "PCI: Using MMCONFIG for extended config space\n");
+ raw_pci_ext_ops = &pci_mmcfg;
+ return 1;
}
-int __init pci_mmcfg_arch_init(void)
+void __init pci_mmcfg_arch_free(void)
{
- printk(KERN_INFO "PCI: Using MMCONFIG\n");
- raw_pci_ops = &pci_mmcfg;
- return 1;
}