Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / drivers / edac / edac_mc.c

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 5f2c717f805388e376b5cce38653c6957279d3d7..e5573c56b15e092df0eb0edf5d0d27490910f287 100644 (file)
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -28,7 +28,7 @@
 #include <linux/ctype.h>
 #include <linux/edac.h>
 #include <linux/bitops.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/page.h>
 #include "edac_mc.h"
 #include "edac_module.h"
@@ -453,6 +453,20 @@ void edac_mc_free(struct mem_ctl_info *mci)
 }
 EXPORT_SYMBOL_GPL(edac_mc_free);
 
+bool edac_has_mcs(void)
+{
+       bool ret;
+
+       mutex_lock(&mem_ctls_mutex);
+
+       ret = list_empty(&mc_devices);
+
+       mutex_unlock(&mem_ctls_mutex);
+
+       return !ret;
+}
+EXPORT_SYMBOL_GPL(edac_has_mcs);
+
 /* Caller must hold mem_ctls_mutex */
 static struct mem_ctl_info *__find_mci_by_dev(struct device *dev)
 {