From: Daniel Ritz <daniel.ritz-ml@swissonline.ch>
Date: Tue, 22 Aug 2006 14:29:09 +0000 (-0700)
Subject: [PATCH] PCI: i386 mmconfig: don't forget bus number when setting fallback_slots bits
X-Git-Tag: firefly_0821_release~33846
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fd4dc27cff15f77cde218613baa36b855c85ad9f;p=firefly-linux-kernel-4.4.55.git

[PATCH] PCI: i386 mmconfig: don't forget bus number when setting fallback_slots bits

On i386 PCI mmconfig forgets the bus number when setting the fallback_slots
bits which means fallback to conf1 only works for bus 0.

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index e545b0992c48..972180f738d9 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -178,7 +178,7 @@ static __init void unreachable_devices(void)
 				pci_exp_set_dev_base(addr, k, PCI_DEVFN(i, 0));
 			if (addr == 0 ||
 			    readl((u32 __iomem *)mmcfg_virt_addr) != val1) {
-				set_bit(i, fallback_slots);
+				set_bit(i + 32*k, fallback_slots);
 				printk(KERN_NOTICE
 			"PCI: No mmconfig possible on %x:%x\n", k, i);
 			}