linux-kernel - [PATCH v8 02/22] PCI: Add root bus children dev's res to fail list

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Message-Id: <1357944049-29620-3-git-send-email-yinghai@kernel.org>
Date:	Fri, 11 Jan 2013 14:40:29 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Len Brown <lenb@...nel.org>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	Jiang Liu <jiang.liu@...wei.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH v8 02/22] PCI: Add root bus children dev's res to fail list

We can stop trying according to try number now and do not need to use
root_bus checking as stop sign anymore.

In extreme case we could need to reallocate resource for device just
under root bus.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
---
 drivers/pci/setup-bus.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 6d3591d..7e8739e 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -283,7 +283,7 @@ static void assign_requested_resources_sorted(struct list_head *head,
 		idx = res - &dev_res->dev->resource[0];
 		if (resource_size(res) &&
 		    pci_assign_resource(dev_res->dev, idx)) {
-			if (fail_head && !pci_is_root_bus(dev_res->dev->bus)) {
+			if (fail_head) {
 				/*
 				 * if the failed res is for ROM BAR, and it will
 				 * be enabled later, don't add it to the list
-- 
1.7.10.4

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