From 60ad9d9691113a036594d735fea8479391bbc776 Mon Sep 17 00:00:00 2001
From: Harry Ciao <qingtao.cao@windriver.com>
Date: Thu, 2 Apr 2009 16:58:47 -0700
Subject: [PATCH] --- yaml --- r: 139719 b: refs/heads/master c:
 8641a3845d066f841ca591ac1c480b13bea7d849 h: refs/heads/master i:   139717:
 04e2152a180a0932b0f5e53a2046913b7e171d79   139715:
 459661da6713fb8580fa1bb947708c535a2d2596   139711:
 bfbdd06ae4d97601d57b5e483d1fb3e04207b0c0 v: v3

---
 [refs]                         |  2 +-
 trunk/drivers/edac/edac_core.h |  1 +
 trunk/drivers/edac/edac_pci.c  | 14 ++++++++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 0ef157a9a417..e165d5e4f094 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 697dab6484fad0e636b0677c010b15cc449d1b9b
+refs/heads/master: 8641a3845d066f841ca591ac1c480b13bea7d849
diff --git a/trunk/drivers/edac/edac_core.h b/trunk/drivers/edac/edac_core.h
index 3189c76fe62e..28f2c3f959b5 100644
--- a/trunk/drivers/edac/edac_core.h
+++ b/trunk/drivers/edac/edac_core.h
@@ -844,6 +844,7 @@ extern void edac_pci_free_ctl_info(struct edac_pci_ctl_info *pci);
 extern void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci,
 				unsigned long value);
 
+extern int edac_pci_alloc_index(void);
 extern int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx);
 extern struct edac_pci_ctl_info *edac_pci_del_device(struct device *dev);
 
diff --git a/trunk/drivers/edac/edac_pci.c b/trunk/drivers/edac/edac_pci.c
index 5d3c8083a40e..5b150aea703a 100644
--- a/trunk/drivers/edac/edac_pci.c
+++ b/trunk/drivers/edac/edac_pci.c
@@ -30,6 +30,7 @@
 
 static DEFINE_MUTEX(edac_pci_ctls_mutex);
 static LIST_HEAD(edac_pci_list);
+static atomic_t pci_indexes = ATOMIC_INIT(0);
 
 /*
  * edac_pci_alloc_ctl_info
@@ -317,6 +318,19 @@ void edac_pci_reset_delay_period(struct edac_pci_ctl_info *pci,
 }
 EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period);
 
+/*
+ * edac_pci_alloc_index: Allocate a unique PCI index number
+ *
+ * Return:
+ *      allocated index number
+ *
+ */
+int edac_pci_alloc_index(void)
+{
+	return atomic_inc_return(&pci_indexes) - 1;
+}
+EXPORT_SYMBOL_GPL(edac_pci_alloc_index);
+
 /*
  * edac_pci_add_device: Insert the 'edac_dev' structure into the
  * edac_pci global list and create sysfs entries associated with