1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
4 #include <linux/of_device.h>
5 #include <linux/stat.h>
9 compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
11 struct platform_device *of;
16 of = &to_macio_device (dev)->ofdev;
17 compat = of_get_property(of->dev.of_node, "compatible", &cplen);
24 length += sprintf (buf, "%s\n", compat);
26 l = strlen (compat) + 1;
33 static DEVICE_ATTR_RO(compatible);
35 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
38 return of_device_modalias(dev, buf, PAGE_SIZE);
41 static ssize_t devspec_show(struct device *dev,
42 struct device_attribute *attr, char *buf)
44 struct platform_device *ofdev;
46 ofdev = to_platform_device(dev);
47 return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
49 static DEVICE_ATTR_RO(modalias);
50 static DEVICE_ATTR_RO(devspec);
52 static ssize_t name_show(struct device *dev,
53 struct device_attribute *attr, char *buf)
55 return sprintf(buf, "%pOFn\n", dev->of_node);
57 static DEVICE_ATTR_RO(name);
59 static ssize_t type_show(struct device *dev,
60 struct device_attribute *attr, char *buf)
62 return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
64 static DEVICE_ATTR_RO(type);
66 static struct attribute *macio_dev_attrs[] = {
69 &dev_attr_compatible.attr,
70 &dev_attr_modalias.attr,
71 &dev_attr_devspec.attr,
75 static const struct attribute_group macio_dev_group = {
76 .attrs = macio_dev_attrs,
79 const struct attribute_group *macio_dev_groups[] = {