1 files changed, 7 insertions, 20 deletions

diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c
index cc8267912656..112e5ef728f1 100644
--- a/drivers/macintosh/macio_sysfs.c
+++ b/drivers/macintosh/macio_sysfs.c
@@ -41,28 +41,15 @@ compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
                               char *buf)
 {
-        struct of_device *of;
-        const char *compat;
-        int cplen;
-        int length;
+        struct of_device *ofdev = to_of_device(dev);
+        int len;
 
-        of = &to_macio_device (dev)->ofdev;
-        compat = of_get_property(of->node, "compatible", &cplen);
-        if (!compat) compat = "", cplen = 1;
-        length = sprintf (buf, "of:N%sT%s", of->node->name, of->node->type);
-        buf += length;
-        while (cplen > 0) {
-                int l;
-                l = sprintf (buf, "C%s", compat);
-                length += l;
-                buf += l;
-                l = strlen (compat) + 1;
-                compat += l;
-                cplen -= l;
-        }
-        length += sprintf(buf, "\n");
+        len = of_device_get_modalias(ofdev, buf, PAGE_SIZE);
 
-        return length;
+        buf[len] = '\n';
+        buf[len+1] = 0;
+
+        return len+1;
 }
 
 macio_config_of_attr (name, "%s\n");