1#include <linux/kernel.h>
 2#include <linux/stat.h>
 3#include <asm/macio.h>
 4
 5
 6#define macio_config_of_attr(field, format_string)			\
 7static ssize_t								\
 8field##_show (struct device *dev, struct device_attribute *attr,	\
 9              char *buf)						\
10{									\
11	struct macio_dev *mdev = to_macio_device (dev);			\
12	return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
13}
14
15static ssize_t
16compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
17{
18	struct platform_device *of;
19	const char *compat;
20	int cplen;
21	int length = 0;
22
23	of = &to_macio_device (dev)->ofdev;
24	compat = of_get_property(of->dev.of_node, "compatible", &cplen);
25	if (!compat) {
26		*buf = '\0';
27		return 0;
28	}
29	while (cplen > 0) {
30		int l;
31		length += sprintf (buf, "%s\n", compat);
32		buf += length;
33		l = strlen (compat) + 1;
34		compat += l;
35		cplen -= l;
36	}
37
38	return length;
39}
 
40
41static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
42			      char *buf)
43{
44	int len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2);
45
46	buf[len] = '\n';
47	buf[len+1] = 0;
48
49	return len+1;
50}
51
52static ssize_t devspec_show(struct device *dev,
53				struct device_attribute *attr, char *buf)
54{
55	struct platform_device *ofdev;
56
57	ofdev = to_platform_device(dev);
58	return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
59}
 
 
60
61macio_config_of_attr (name, "%s\n");
62macio_config_of_attr (type, "%s\n");
 
 
 
 
 
 
 
 
 
 
 
63
64struct device_attribute macio_dev_attrs[] = {
65	__ATTR_RO(name),
66	__ATTR_RO(type),
67	__ATTR_RO(compatible),
68	__ATTR_RO(modalias),
69	__ATTR_RO(devspec),
70	__ATTR_NULL
 
 
 
 
 
 
 
 
 
71};

 1// SPDX-License-Identifier: GPL-2.0
 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};