1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include <linux/stat.h>
7 compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
9 struct platform_device *of;
14 of = &to_macio_device (dev)->ofdev;
15 compat = of_get_property(of->dev.of_node, "compatible", &cplen);
22 length += sprintf (buf, "%s\n", compat);
24 l = strlen (compat) + 1;
31 static DEVICE_ATTR_RO(compatible);
33 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
36 return of_device_modalias(dev, buf, PAGE_SIZE);
39 static ssize_t devspec_show(struct device *dev,
40 struct device_attribute *attr, char *buf)
42 struct platform_device *ofdev;
44 ofdev = to_platform_device(dev);
45 return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
47 static DEVICE_ATTR_RO(modalias);
48 static DEVICE_ATTR_RO(devspec);
50 static ssize_t name_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
53 return sprintf(buf, "%pOFn\n", dev->of_node);
55 static DEVICE_ATTR_RO(name);
57 static ssize_t type_show(struct device *dev,
58 struct device_attribute *attr, char *buf)
60 return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
62 static DEVICE_ATTR_RO(type);
64 static struct attribute *macio_dev_attrs[] = {
67 &dev_attr_compatible.attr,
68 &dev_attr_modalias.attr,
69 &dev_attr_devspec.attr,
73 static const struct attribute_group macio_dev_group = {
74 .attrs = macio_dev_attrs,
77 const struct attribute_group *macio_dev_groups[] = {