Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks

[pandora-kernel.git] / arch / x86 / pci / common.c

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 00a319c..1485a26 100644 (file)
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -20,6 +20,7 @@
 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
                                PCI_PROBE_MMCONF;
 
+unsigned int pci_early_dump_regs;
 static int pci_bf_sort;
 int pci_routeirq;
 int noioapicquirk;
@@ -33,7 +34,7 @@ struct pci_raw_ops *raw_pci_ext_ops;
 int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
                                                int reg, int len, u32 *val)
 {
-       if (reg < 256 && raw_pci_ops)
+       if (domain == 0 && reg < 256 && raw_pci_ops)
                return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
        if (raw_pci_ext_ops)
                return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
@@ -43,7 +44,7 @@ int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
 int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
                                                int reg, int len, u32 val)
 {
-       if (reg < 256 && raw_pci_ops)
+       if (domain == 0 && reg < 256 && raw_pci_ops)
                return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
        if (raw_pci_ext_ops)
                return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
@@ -123,6 +124,21 @@ void __init dmi_check_skip_isa_align(void)
        dmi_check_system(can_skip_pciprobe_dmi_table);
 }
 
+static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+{
+       struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
+
+       if (pci_probe & PCI_NOASSIGN_ROMS) {
+               if (rom_r->parent)
+                       return;
+               if (rom_r->start) {
+                       /* we deal with BIOS assigned ROM later */
+                       return;
+               }
+               rom_r->start = rom_r->end = rom_r->flags = 0;
+       }
+}
+
 /*
  *  Called after each bus is probed, but before its children
  *  are examined.
@@ -130,7 +146,11 @@ void __init dmi_check_skip_isa_align(void)
 
 void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 {
+       struct pci_dev *dev;
+
        pci_read_bridge_bases(b);
+       list_for_each_entry(dev, &b->devices, bus_list)
+               pcibios_fixup_device_resources(dev);
 }
 
 /*
@@ -386,7 +406,7 @@ struct pci_bus * __devinit pcibios_scan_root(int busnum)
 
 extern u8 pci_cache_line_size;
 
-static int __init pcibios_init(void)
+int __init pcibios_init(void)
 {
        struct cpuinfo_x86 *c = &boot_cpu_data;
 
@@ -413,8 +433,6 @@ static int __init pcibios_init(void)
        return 0;
 }
 
-subsys_initcall(pcibios_init);
-
 char * __devinit  pcibios_setup(char *str)
 {
        if (!strcmp(str, "off")) {
@@ -485,12 +503,18 @@ char * __devinit  pcibios_setup(char *str)
        else if (!strcmp(str, "rom")) {
                pci_probe |= PCI_ASSIGN_ROMS;
                return NULL;
+       } else if (!strcmp(str, "norom")) {
+               pci_probe |= PCI_NOASSIGN_ROMS;
+               return NULL;
        } else if (!strcmp(str, "assign-busses")) {
                pci_probe |= PCI_ASSIGN_ALL_BUSSES;
                return NULL;
        } else if (!strcmp(str, "use_crs")) {
                pci_probe |= PCI_USE__CRS;
                return NULL;
+       } else if (!strcmp(str, "earlydump")) {
+               pci_early_dump_regs = 1;
+               return NULL;
        } else if (!strcmp(str, "routeirq")) {
                pci_routeirq = 1;
                return NULL;