[PATCH] mmconfig: Reject a broken MCFG tables on Asus etc

This rejects broken MCFG tables on Asus. When the table
looks bogus just disable mmconfig

Arjan and Andi suggested this.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andi Kleen <ak@suse.de>

1 files changed, 0 insertions, 9 deletions

diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 97dcaaa0de0f..3325b79e651c 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -47,15 +47,6 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
                         return cfg->address;
         }
 
-        /* Handle more broken MCFG tables on Asus etc.
-           They only contain a single entry for bus 0-0. Assume
-           this applies to all busses. */
-        cfg = &pci_mmcfg_config[0];
-        if (pci_mmcfg_config_num == 1 &&
-                cfg->pci_segment == 0 &&
-                (cfg->start_bus_number | cfg->end_bus_number) == 0)
-                return cfg->address;
-
         /* Fall back to type 0 */
         return 0;
 }