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)			\
7 static ssize_t								\
8 field##_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 
15 static ssize_t
16 compatible_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 
41 static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
42 			      char *buf)
43 {
44 	return of_device_modalias(dev, buf, PAGE_SIZE);
45 }
46 
47 static ssize_t devspec_show(struct device *dev,
48 				struct device_attribute *attr, char *buf)
49 {
50 	struct platform_device *ofdev;
51 
52 	ofdev = to_platform_device(dev);
53 	return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name);
54 }
55 
56 macio_config_of_attr (name, "%s\n");
57 macio_config_of_attr (type, "%s\n");
58 
59 struct device_attribute macio_dev_attrs[] = {
60 	__ATTR_RO(name),
61 	__ATTR_RO(type),
62 	__ATTR_RO(compatible),
63 	__ATTR_RO(modalias),
64 	__ATTR_RO(devspec),
65 	__ATTR_NULL
66 };
67