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b5bf5b67 JM |
1 | #include <linux/config.h> |
2 | #include <linux/kernel.h> | |
3 | #include <linux/stat.h> | |
4 | #include <asm/macio.h> | |
5 | ||
6 | ||
7 | #define macio_config_of_attr(field, format_string) \ | |
8 | static ssize_t \ | |
9 | field##_show (struct device *dev, struct device_attribute *attr, \ | |
10 | char *buf) \ | |
11 | { \ | |
12 | struct macio_dev *mdev = to_macio_device (dev); \ | |
13 | return sprintf (buf, format_string, mdev->ofdev.node->field); \ | |
14 | } | |
15 | ||
16 | static ssize_t | |
17 | compatible_show (struct device *dev, struct device_attribute *attr, char *buf) | |
18 | { | |
19 | struct of_device *of; | |
20 | char *compat; | |
21 | int cplen; | |
22 | int length = 0; | |
23 | ||
24 | of = &to_macio_device (dev)->ofdev; | |
25 | compat = (char *) get_property(of->node, "compatible", &cplen); | |
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 | } | |
41 | ||
42 | macio_config_of_attr (name, "%s\n"); | |
43 | macio_config_of_attr (type, "%s\n"); | |
44 | ||
45 | struct device_attribute macio_dev_attrs[] = { | |
46 | __ATTR_RO(name), | |
47 | __ATTR_RO(type), | |
48 | __ATTR_RO(compatible), | |
49 | __ATTR_NULL | |
50 | }; |