Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
b5bf5b67 JM |
2 | #include <linux/kernel.h> |
3 | #include <linux/stat.h> | |
4 | #include <asm/macio.h> | |
5 | ||
b5bf5b67 JM |
6 | static ssize_t |
7 | compatible_show (struct device *dev, struct device_attribute *attr, char *buf) | |
8 | { | |
2dc11581 | 9 | struct platform_device *of; |
018a3d1d | 10 | const char *compat; |
b5bf5b67 JM |
11 | int cplen; |
12 | int length = 0; | |
13 | ||
14 | of = &to_macio_device (dev)->ofdev; | |
61c7a080 | 15 | compat = of_get_property(of->dev.of_node, "compatible", &cplen); |
b5bf5b67 JM |
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 | } | |
60bb70aa | 31 | static DEVICE_ATTR_RO(compatible); |
b5bf5b67 | 32 | |
dcb34abb | 33 | static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, |
34 | char *buf) | |
35 | { | |
0634c295 | 36 | return of_device_modalias(dev, buf, PAGE_SIZE); |
dcb34abb | 37 | } |
38 | ||
140b932f OH |
39 | static ssize_t devspec_show(struct device *dev, |
40 | struct device_attribute *attr, char *buf) | |
41 | { | |
2dc11581 | 42 | struct platform_device *ofdev; |
140b932f | 43 | |
2dc11581 | 44 | ofdev = to_platform_device(dev); |
b6a945ae | 45 | return sprintf(buf, "%pOF\n", ofdev->dev.of_node); |
140b932f | 46 | } |
60bb70aa GKH |
47 | static DEVICE_ATTR_RO(modalias); |
48 | static DEVICE_ATTR_RO(devspec); | |
140b932f | 49 | |
0bdba867 RH |
50 | static 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 | } | |
55 | static DEVICE_ATTR_RO(name); | |
56 | ||
bf82d375 RH |
57 | static 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 | } | |
62 | static DEVICE_ATTR_RO(type); | |
b5bf5b67 | 63 | |
60bb70aa GKH |
64 | static 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 | ||
73 | static const struct attribute_group macio_dev_group = { | |
74 | .attrs = macio_dev_attrs, | |
75 | }; | |
76 | ||
77 | const struct attribute_group *macio_dev_groups[] = { | |
78 | &macio_dev_group, | |
79 | NULL, | |
b5bf5b67 | 80 | }; |