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path: root/drivers/macintosh/macio_sysfs.c
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Diffstat (limited to 'drivers/macintosh/macio_sysfs.c')
-rw-r--r--drivers/macintosh/macio_sysfs.c27
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c
index cc826791265..112e5ef728f 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");