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authorAlex Chiang <achiang@hp.com>2009-03-20 14:56:31 -0600
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 14:57:58 -0700
commit705b1aaa823e800490f157cd9366ad8cff385f5f (patch)
tree634ea8ba227a305074938f49c110fea8e68e8bb3 /drivers/pci/pci.h
parent3ed4fd96b3188406ac5357d9290bcffa08c65cf6 (diff)
downloadop-kernel-dev-705b1aaa823e800490f157cd9366ad8cff385f5f.zip
op-kernel-dev-705b1aaa823e800490f157cd9366ad8cff385f5f.tar.gz
PCI: Introduce /sys/bus/pci/rescan
This interface allows the user to force a rescan of all PCI buses in system, and rediscover devices that have been removed earlier. pci_bus_attrs implementation from Trent Piepho. Thanks to Vegard Nossum for discovering locking issues with the sysfs interface. Cc: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 22dcfdb..45833a5 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -138,6 +138,12 @@ extern int pcie_mch_quirk;
extern struct device_attribute pci_dev_attrs[];
extern struct device_attribute dev_attr_cpuaffinity;
extern struct device_attribute dev_attr_cpulistaffinity;
+#ifdef CONFIG_HOTPLUG
+extern struct bus_attribute pci_bus_attrs[];
+#else
+#define pci_bus_attrs NULL
+#endif
+
/**
* pci_match_one_device - Tell if a PCI device structure has a matching
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