From: Alex Chiang <achiang@hp.com>
Date: Mon, 30 Mar 2009 16:50:09 +0000 (-0600)
Subject: PCI: allow PCI core hotplug to remove PCI root bus
X-Git-Tag: 2.1b_release~13074^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c2ac7cdc6707a8a3fc5cdaebb65cb724ba8ecdef;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git

PCI: allow PCI core hotplug to remove PCI root bus

There is no reason to prevent removal of root bus devices. A subsequent
rescan will find them just fine.

Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index cd8e682..a7eb1b4 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -277,14 +277,10 @@ remove_store(struct device *dev, struct device_attribute *dummy,
 {
 	int ret = 0;
 	unsigned long val;
-	struct pci_dev *pdev = to_pci_dev(dev);
 
 	if (strict_strtoul(buf, 0, &val) < 0)
 		return -EINVAL;
 
-	if (pci_is_root_bus(pdev->bus))
-		return -EBUSY;
-
 	/* An attribute cannot be unregistered by one of its own methods,
 	 * so we have to use this roundabout approach.
 	 */