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b5bf5b67 JM |
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); \ | |
61c7a080 | 12 | return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \ |
60bb70aa GKH |
13 | } \ |
14 | static DEVICE_ATTR_RO(field); | |
b5bf5b67 JM |
15 | |
16 | static ssize_t | |
17 | compatible_show (struct device *dev, struct device_attribute *attr, char *buf) | |
18 | { | |
2dc11581 | 19 | struct platform_device *of; |
018a3d1d | 20 | const char *compat; |
b5bf5b67 JM |
21 | int cplen; |
22 | int length = 0; | |
23 | ||
24 | of = &to_macio_device (dev)->ofdev; | |
61c7a080 | 25 | compat = of_get_property(of->dev.of_node, "compatible", &cplen); |
b5bf5b67 JM |
26 | if (!compat) { |
27 | *buf = '\0'; | |
28 | return 0; | |
29 | } | |
30 | while (cplen > 0) { | |
31 | int l; | |
32 | length += sprintf (buf, "%s\n", compat); | |
33 | buf += length; | |
34 | l = strlen (compat) + 1; | |
35 | compat += l; | |
36 | cplen -= l; | |
37 | } | |
38 | ||
39 | return length; | |
40 | } | |
60bb70aa | 41 | static DEVICE_ATTR_RO(compatible); |
b5bf5b67 | 42 | |
dcb34abb | 43 | static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, |
44 | char *buf) | |
45 | { | |
0634c295 | 46 | return of_device_modalias(dev, buf, PAGE_SIZE); |
dcb34abb | 47 | } |
48 | ||
140b932f OH |
49 | static ssize_t devspec_show(struct device *dev, |
50 | struct device_attribute *attr, char *buf) | |
51 | { | |
2dc11581 | 52 | struct platform_device *ofdev; |
140b932f | 53 | |
2dc11581 | 54 | ofdev = to_platform_device(dev); |
b6a945ae | 55 | return sprintf(buf, "%pOF\n", ofdev->dev.of_node); |
140b932f | 56 | } |
60bb70aa GKH |
57 | static DEVICE_ATTR_RO(modalias); |
58 | static DEVICE_ATTR_RO(devspec); | |
140b932f | 59 | |
b5bf5b67 JM |
60 | macio_config_of_attr (name, "%s\n"); |
61 | macio_config_of_attr (type, "%s\n"); | |
62 | ||
60bb70aa GKH |
63 | static struct attribute *macio_dev_attrs[] = { |
64 | &dev_attr_name.attr, | |
65 | &dev_attr_type.attr, | |
66 | &dev_attr_compatible.attr, | |
67 | &dev_attr_modalias.attr, | |
68 | &dev_attr_devspec.attr, | |
69 | NULL, | |
70 | }; | |
71 | ||
72 | static const struct attribute_group macio_dev_group = { | |
73 | .attrs = macio_dev_attrs, | |
74 | }; | |
75 | ||
76 | const struct attribute_group *macio_dev_groups[] = { | |
77 | &macio_dev_group, | |
78 | NULL, | |
b5bf5b67 | 79 | }; |