Gitweb: http://git.kernel.org/linus/8641a3845d066f841ca591ac1c480b13bea7d849
Commit: 8641a3845d066f841ca591ac1c480b13bea7d849
Parent: 697dab6484fad0e636b0677c010b15cc449d1b9b
Author: Harry Ciao <qingtao.cao@windriver.com>
AuthorDate: Thu Apr 2 16:58:47 2009 -0700
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Apr 2 19:05:03 2009 -0700
edac: Add edac_pci_alloc_index()
Add edac_pci_alloc_index(), because for MAPLE platform there may exist
several EDAC driver modules that could make use of edac_pci_ctl_info
structure at the same time. The index allocation for these structures
should be taken care of by EDAC core.
Signed-off-by: Harry Ciao <qingtao.cao@windriver.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/edac/edac_core.h | 1 +
drivers/edac/edac_pci.c | 14 ++++++++++++++
2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/edac/edac_core.h b/drivers/edac/edac_core.h
index 3189c76..28f2c3f 100644
--- a/drivers/edac/edac_core.h
+++ b/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/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c
index 5d3c808..5b150ae 100644
--- a/drivers/edac/edac_pci.c
+++ b/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
@@ -318,6 +319,19 @@ 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
* edac_pci structure.
--
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
