sparc64: Stop creating dummy root PCI host controller devices.

It just creates confusion, errors, and bugs.

For one thing, this can cause dup sysfs or procfs nodes to get
created:

[    1.198015] proc_dir_entry '00.0' already registered
[    1.198036] Call Trace:
[    1.198052]  [00000000004f2534] create_proc_entry+0x7c/0x98
[    1.198092]  [00000000005719e4] pci_proc_attach_device+0xa4/0xd4
[    1.198126]  [00000000007d991c] pci_proc_init+0x64/0x88
[    1.198158]  [00000000007c62a4] kernel_init+0x190/0x330
[    1.198183]  [0000000000426cf8] kernel_thread+0x38/0x48
[    1.198210]  [00000000006a0d90] rest_init+0x18/0x5c

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 6 deletions

diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index 923e0bcc3bfd..19fa621d6a60 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -264,9 +264,6 @@ static int sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
         unsigned int func = PCI_FUNC(devfn);
         unsigned long ret;
 
-        if (!bus && devfn == 0x00)
-                return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
-                                                    size, value);
         if (config_out_of_range(pbm, bus, devfn, where)) {
                 ret = ~0UL;
         } else {
@@ -300,9 +297,6 @@ static int sun4v_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
         unsigned int func = PCI_FUNC(devfn);
         unsigned long ret;
 
-        if (!bus && devfn == 0x00)
-                return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
-                                                     size, value);
         if (config_out_of_range(pbm, bus, devfn, where)) {
                 /* Do nothing. */
         } else {