PCI Hotplug: created /proc/bus/pci/slots for pcihpfs to be mounted on.

proc_bus_pci_dir had to be exported for this to work properly.

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/hotplug/pci_hotplug_core.c b/drivers/hotplug/pci_hotplug_core.c
index 898a198f82b3..89e2247acd80 100644
--- a/drivers/hotplug/pci_hotplug_core.c
+++ b/drivers/hotplug/pci_hotplug_core.c
@@ -39,6 +39,7 @@
 #include <linux/namei.h>
 #include <linux/pci.h>
 #include <linux/dnotify.h>
+#include <linux/proc_fs.h>
 #include <asm/uaccess.h>
 #include "pci_hotplug.h"
 
@@ -113,6 +114,12 @@ static char *pci_bus_speed_strings[] = {
 	"133 MHz PCIX 533",	/* 0x13 */
 };
 
+#ifdef CONFIG_PROC_FS		
+extern struct proc_dir_entry *proc_bus_pci_dir;
+static struct proc_dir_entry *slotdir = NULL;
+static const char *slotdir_name = "slots";
+#endif
+
 static struct inode *pcihpfs_get_inode (struct super_block *sb, int mode, int dev)
 {
 	struct inode *inode = new_inode(sb);
@@ -1265,6 +1272,11 @@ static int __init pci_hotplug_init (void)
 		goto exit;
 	}
 
+#ifdef CONFIG_PROC_FS
+	/* create mount point for pcihpfs */
+	slotdir = proc_mkdir(slotdir_name, proc_bus_pci_dir);
+#endif
+
 	info (DRIVER_DESC " version: " DRIVER_VERSION "\n");
 
 exit:
@@ -1274,6 +1286,11 @@ exit:
 static void __exit pci_hotplug_exit (void)
 {
 	unregister_filesystem(&pcihpfs_type);
+
+#ifdef CONFIG_PROC_FS
+	if (slotdir)
+		remove_proc_entry(slotdir_name, proc_bus_pci_dir);
+#endif
 }
 
 module_init(pci_hotplug_init);