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[POWERPC] Remove hack to determine the 2nd PHBs bus number 

Now that we have the pci_controller in the exclude function we can easy
figure out if the bus number is the PHB or not.  The old style of using a
variable setup at init time was actually broken and would only work in
specific cases.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2007-06-22 00:29:46 -05:00
parent 7d52c7b0cd
commit 5229ee1852
3 changed files with 2 additions and 16 deletions
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8
arch/powerpc/platforms/83xx/pci.c
View File

@ -33,15 +33,10 @@
#define DBG(x...)
#endif
int mpc83xx_pci2_busno;
int mpc83xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn)
{
if (bus == 0 && PCI_SLOT(devfn) == 0)
if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
if (mpc83xx_pci2_busno)
if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
return PCIBIOS_SUCCESSFUL;
}
@ -86,7 +81,6 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384);
primary = 0;
hose->bus_offset = hose->first_busno;
mpc83xx_pci2_busno = hose->first_busno;
}
printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. "

7
arch/powerpc/platforms/85xx/mpc85xx_cds.c
View File

@ -55,16 +55,11 @@ static volatile u8 *cadmus;
#define ARCADIA_HOST_BRIDGE_IDSEL 17
#define ARCADIA_2ND_BRIDGE_IDSEL 3
extern int mpc85xx_pci2_busno;
static int mpc85xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn)
{
if (bus == 0 && PCI_SLOT(devfn) == 0)
if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
if (mpc85xx_pci2_busno)
if (bus == (mpc85xx_pci2_busno) && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
/* We explicitly do not go past the Tundra 320 Bridge */
if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
return PCIBIOS_DEVICE_NOT_FOUND;

3
arch/powerpc/platforms/85xx/pci.c
View File

@ -33,8 +33,6 @@
#define DBG(x...)
#endif
int mpc85xx_pci2_busno = 0;
#ifdef CONFIG_PCI
int __init mpc85xx_add_bridge(struct device_node *dev)
{
@ -74,7 +72,6 @@ int __init mpc85xx_add_bridge(struct device_node *dev)
setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004);
primary = 0;
hose->bus_offset = hose->first_busno;
mpc85xx_pci2_busno = hose->first_busno;
}
printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. "