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/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};