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Subject[PATCH 1/3] PCI: allow PCI core hotplug to remove PCI root bus
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There is no reason to prevent root bus removal. We never actually
remove the node from the pci_root_buses list, so a rescan will correctly
rediscover the root bus.

Signed-off-by: Alex Chiang <achiang@hp.com>
---

drivers/pci/pci-sysfs.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index e9a8706..7b2cb27 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.
*/


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