x86: memtest bootparam

[sfrench/cifs-2.6.git] / arch / x86 / pci / common.c

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 862746390666daa6da34942889321d6eebcbe9b2..7b6e3bb9b28c4ca07b8a8ac21852e6f5f39e36cb 100644 (file)
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -26,16 +26,37 @@ int pcibios_last_bus = -1;
 unsigned long pirq_table_addr;
 struct pci_bus *pci_root_bus;
 struct pci_raw_ops *raw_pci_ops;
+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)
+               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);
+       return -EINVAL;
+}
+
+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)
+               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);
+       return -EINVAL;
+}
 
 static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
 {
-       return raw_pci_ops->read(pci_domain_nr(bus), bus->number,
+       return raw_pci_read(pci_domain_nr(bus), bus->number,
                                 devfn, where, size, value);
 }
 
 static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
 {
-       return raw_pci_ops->write(pci_domain_nr(bus), bus->number,
+       return raw_pci_write(pci_domain_nr(bus), bus->number,
                                  devfn, where, size, value);
 }
 
@@ -109,6 +130,19 @@ static void __devinit pcibios_fixup_ghosts(struct pci_bus *b)
        }
 }
 
+static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
+{
+       struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
+
+       if (rom_r->parent)
+               return;
+       if (rom_r->start)
+               /* we deal with BIOS assigned ROM later */
+               return;
+       if (!(pci_probe & PCI_ASSIGN_ROMS))
+               rom_r->start = rom_r->end = rom_r->flags = 0;
+}
+
 /*
  *  Called after each bus is probed, but before its children
  *  are examined.
@@ -116,8 +150,12 @@ static void __devinit pcibios_fixup_ghosts(struct pci_bus *b)
 
 void __devinit  pcibios_fixup_bus(struct pci_bus *b)
 {
+       struct pci_dev *dev;
+
        pcibios_fixup_ghosts(b);
        pci_read_bridge_bases(b);
+       list_for_each_entry(dev, &b->devices, bus_list)
+               pcibios_fixup_device_resources(dev);
 }
 
 /*
@@ -503,7 +541,7 @@ void pcibios_disable_device (struct pci_dev *dev)
                pcibios_disable_irq(dev);
 }
 
-struct pci_bus *pci_scan_bus_with_sysdata(int busno)
+struct pci_bus *__devinit pci_scan_bus_with_sysdata(int busno)
 {
        struct pci_bus *bus = NULL;
        struct pci_sysdata *sd;