1
2#include <linux/kernel.h>
3#include <linux/stat.h>
4#include <asm/macio.h>
5
6static ssize_t
7compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
8{
9 struct platform_device *of;
10 const char *compat;
11 int cplen;
12 int length = 0;
13
14 of = &to_macio_device (dev)->ofdev;
15 compat = of_get_property(of->dev.of_node, "compatible", &cplen);
16 if (!compat) {
17 *buf = '\0';
18 return 0;
19 }
20 while (cplen > 0) {
21 int l;
22 length += sprintf (buf, "%s\n", compat);
23 buf += length;
24 l = strlen (compat) + 1;
25 compat += l;
26 cplen -= l;
27 }
28
29 return length;
30}
31static DEVICE_ATTR_RO(compatible);
32
33static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
34 char *buf)
35{
36 return of_device_modalias(dev, buf, PAGE_SIZE);
37}
38
39static ssize_t devspec_show(struct device *dev,
40 struct device_attribute *attr, char *buf)
41{
42 struct platform_device *ofdev;
43
44 ofdev = to_platform_device(dev);
45 return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
46}
47static DEVICE_ATTR_RO(modalias);
48static DEVICE_ATTR_RO(devspec);
49
50static ssize_t name_show(struct device *dev,
51 struct device_attribute *attr, char *buf)
52{
53 return sprintf(buf, "%pOFn\n", dev->of_node);
54}
55static DEVICE_ATTR_RO(name);
56
57static ssize_t type_show(struct device *dev,
58 struct device_attribute *attr, char *buf)
59{
60 return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
61}
62static DEVICE_ATTR_RO(type);
63
64static struct attribute *macio_dev_attrs[] = {
65 &dev_attr_name.attr,
66 &dev_attr_type.attr,
67 &dev_attr_compatible.attr,
68 &dev_attr_modalias.attr,
69 &dev_attr_devspec.attr,
70 NULL,
71};
72
73static const struct attribute_group macio_dev_group = {
74 .attrs = macio_dev_attrs,
75};
76
77const struct attribute_group *macio_dev_groups[] = {
78 &macio_dev_group,
79 NULL,
80};
81
