linux-kernel - [PATCH 3/8] PCI: Assign CardBus bus number only during the second pass.

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Date:	Thu, 23 Jan 2014 21:59:23 +0100
From:	Andreas Noever <andreas.noever@...il.com>
To:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	bhelgaas@...gle.com
Cc:	Andreas Noever <andreas.noever@...il.com>
Subject: [PATCH 3/8] PCI: Assign CardBus bus number only during the second pass.

Right now the CardBus code in pci_scan_bridge is executed during both
passes. Since we always allocate the bus number ourselves it makes sense
to put it into the second pass.

Signed-off-by: Andreas Noever <andreas.noever@...il.com>
---
 drivers/pci/probe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index cf05b3e..bed1934 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -831,7 +831,7 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
 		 * do in the second pass.
 		 */
 		if (!pass) {
-			if (pcibios_assign_all_busses() || broken)
+			if (pcibios_assign_all_busses() || broken || is_cardbus)
 				/* Temporarily disable forwarding of the
 				   configuration cycles on all bridges in
 				   this bus segment to avoid possible
-- 
1.8.5.3

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