1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/kernel.h>
 3#include <linux/of.h>
 4#include <linux/of_device.h>
 5#include <linux/stat.h>
 6#include <asm/macio.h>
 7
 8static ssize_t
 9compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
10{
11	struct platform_device *of;
12	const char *compat;
13	int cplen;
14	int length = 0;
15
16	of = &to_macio_device (dev)->ofdev;
17	compat = of_get_property(of->dev.of_node, "compatible", &cplen);
18	if (!compat) {
19		*buf = '\0';
20		return 0;
21	}
22	while (cplen > 0) {
23		int l;
24		length += sprintf (buf, "%s\n", compat);
25		buf += length;
26		l = strlen (compat) + 1;
27		compat += l;
28		cplen -= l;
29	}
30
31	return length;
32}
33static DEVICE_ATTR_RO(compatible);
34
35static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
36			      char *buf)
37{
38	return of_device_modalias(dev, buf, PAGE_SIZE);
39}
40
41static ssize_t devspec_show(struct device *dev,
42				struct device_attribute *attr, char *buf)
43{
44	struct platform_device *ofdev;
45
46	ofdev = to_platform_device(dev);
47	return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
48}
49static DEVICE_ATTR_RO(modalias);
50static DEVICE_ATTR_RO(devspec);
51
52static ssize_t name_show(struct device *dev,
53			 struct device_attribute *attr, char *buf)
54{
55	return sprintf(buf, "%pOFn\n", dev->of_node);
56}
57static DEVICE_ATTR_RO(name);
58
59static ssize_t type_show(struct device *dev,
60			 struct device_attribute *attr, char *buf)
61{
62	return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
63}
64static DEVICE_ATTR_RO(type);
65
66static struct attribute *macio_dev_attrs[] = {
67	&dev_attr_name.attr,
68	&dev_attr_type.attr,
69	&dev_attr_compatible.attr,
70	&dev_attr_modalias.attr,
71	&dev_attr_devspec.attr,
72	NULL,
73};
74
75static const struct attribute_group macio_dev_group = {
76	.attrs = macio_dev_attrs,
77};
78
79const struct attribute_group *macio_dev_groups[] = {
80	&macio_dev_group,
81	NULL,
82};

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/kernel.h>
 3#include <linux/of.h>
 4#include <linux/of_device.h>
 5#include <linux/stat.h>
 6#include <asm/macio.h>
 7
 8static ssize_t
 9compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
10{
11	struct platform_device *of;
12	const char *compat;
13	int cplen;
14	int length = 0;
15
16	of = &to_macio_device (dev)->ofdev;
17	compat = of_get_property(of->dev.of_node, "compatible", &cplen);
18	if (!compat) {
19		*buf = '\0';
20		return 0;
21	}
22	while (cplen > 0) {
23		int l;
24		length += sprintf (buf, "%s\n", compat);
25		buf += length;
26		l = strlen (compat) + 1;
27		compat += l;
28		cplen -= l;
29	}
30
31	return length;
32}
33static DEVICE_ATTR_RO(compatible);
34
35static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
36			      char *buf)
37{
38	return of_device_modalias(dev, buf, PAGE_SIZE);
39}
40
41static ssize_t devspec_show(struct device *dev,
42				struct device_attribute *attr, char *buf)
43{
44	struct platform_device *ofdev;
45
46	ofdev = to_platform_device(dev);
47	return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
48}
49static DEVICE_ATTR_RO(modalias);
50static DEVICE_ATTR_RO(devspec);
51
52static ssize_t name_show(struct device *dev,
53			 struct device_attribute *attr, char *buf)
54{
55	return sprintf(buf, "%pOFn\n", dev->of_node);
56}
57static DEVICE_ATTR_RO(name);
58
59static ssize_t type_show(struct device *dev,
60			 struct device_attribute *attr, char *buf)
61{
62	return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
63}
64static DEVICE_ATTR_RO(type);
65
66static struct attribute *macio_dev_attrs[] = {
67	&dev_attr_name.attr,
68	&dev_attr_type.attr,
69	&dev_attr_compatible.attr,
70	&dev_attr_modalias.attr,
71	&dev_attr_devspec.attr,
72	NULL,
73};
74
75static const struct attribute_group macio_dev_group = {
76	.attrs = macio_dev_attrs,
77};
78
79const struct attribute_group *macio_dev_groups[] = {
80	&macio_dev_group,
81	NULL,
82};