[MIPS] PCI: Set need_domain_info if controller domain index is non-zero.

This fixes this little funny:

bigsur:/proc/bus/pci# ls -l
total 0
dr-xr-xr-x    2 root     root            0 Aug 28 19:31 00
dr-xr-xr-x    2 root     root            0 Aug 28 19:31 00
dr-xr-xr-x    2 root     root            0 Aug 28 19:31 01
dr-xr-xr-x    2 root     root            0 Aug 28 19:31 03
-r--r--r--    1 root     root            0 Aug 28 19:31 devices

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 6c5c684d1422..589b745d822a 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -141,6 +141,7 @@ static int __init pcibios_init(void)
 
                 bus = pci_scan_bus(next_busno, hose->pci_ops, hose);
                 hose->bus = bus;
+                need_domain_info = need_domain_info || hose->index;
                 hose->need_domain_info = need_domain_info;
                 if (bus) {
                         next_busno = bus->subordinate + 1;