device.c (c1f3ee120bb61045b1c0a3ead620d1d65af47130) device.c (140b932f8cb6cced10b96860651a198b1b89cbb9)
1#include <linux/string.h>
2#include <linux/kernel.h>
3#include <linux/of.h>
4#include <linux/of_device.h>
5#include <linux/init.h>
6#include <linux/module.h>
7#include <linux/mod_devicetable.h>
8#include <linux/slab.h>

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43
44void of_dev_put(struct of_device *dev)
45{
46 if (dev)
47 put_device(&dev->dev);
48}
49EXPORT_SYMBOL(of_dev_put);
50
1#include <linux/string.h>
2#include <linux/kernel.h>
3#include <linux/of.h>
4#include <linux/of_device.h>
5#include <linux/init.h>
6#include <linux/module.h>
7#include <linux/mod_devicetable.h>
8#include <linux/slab.h>

--- 34 unchanged lines hidden (view full) ---

43
44void of_dev_put(struct of_device *dev)
45{
46 if (dev)
47 put_device(&dev->dev);
48}
49EXPORT_SYMBOL(of_dev_put);
50
51static ssize_t dev_show_devspec(struct device *dev,
51static ssize_t devspec_show(struct device *dev,
52 struct device_attribute *attr, char *buf)
53{
54 struct of_device *ofdev;
55
56 ofdev = to_of_device(dev);
52 struct device_attribute *attr, char *buf)
53{
54 struct of_device *ofdev;
55
56 ofdev = to_of_device(dev);
57 return sprintf(buf, "%s", ofdev->node->full_name);
57 return sprintf(buf, "%s\n", ofdev->node->full_name);
58}
59
58}
59
60static DEVICE_ATTR(devspec, S_IRUGO, dev_show_devspec, NULL);
60static ssize_t modalias_show(struct device *dev,
61 struct device_attribute *attr, char *buf)
62{
63 struct of_device *ofdev = to_of_device(dev);
64 ssize_t len = 0;
61
65
66 len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2);
67 buf[len] = '\n';
68 buf[len+1] = 0;
69 return len+1;
70}
71
72struct device_attribute of_platform_device_attrs[] = {
73 __ATTR_RO(devspec),
74 __ATTR_RO(modalias),
75 __ATTR_NULL
76};
77
62/**
63 * of_release_dev - free an of device structure when all users of it are finished.
64 * @dev: device that's been disconnected
65 *
66 * Will be called only by the device core when all users of this of device are
67 * done.
68 */
69void of_release_dev(struct device *dev)
70{
71 struct of_device *ofdev;
72
73 ofdev = to_of_device(dev);
74 of_node_put(ofdev->node);
75 kfree(ofdev);
76}
77EXPORT_SYMBOL(of_release_dev);
78
79int of_device_register(struct of_device *ofdev)
80{
78/**
79 * of_release_dev - free an of device structure when all users of it are finished.
80 * @dev: device that's been disconnected
81 *
82 * Will be called only by the device core when all users of this of device are
83 * done.
84 */
85void of_release_dev(struct device *dev)
86{
87 struct of_device *ofdev;
88
89 ofdev = to_of_device(dev);
90 of_node_put(ofdev->node);
91 kfree(ofdev);
92}
93EXPORT_SYMBOL(of_release_dev);
94
95int of_device_register(struct of_device *ofdev)
96{
81 int rc;
82
83 BUG_ON(ofdev->node == NULL);
97 BUG_ON(ofdev->node == NULL);
84
85 rc = device_register(&ofdev->dev);
86 if (rc)
87 return rc;
88
89 rc = device_create_file(&ofdev->dev, &dev_attr_devspec);
90 if (rc)
91 device_unregister(&ofdev->dev);
92
93 return rc;
98 return device_register(&ofdev->dev);
94}
95EXPORT_SYMBOL(of_device_register);
96
97void of_device_unregister(struct of_device *ofdev)
98{
99}
100EXPORT_SYMBOL(of_device_register);
101
102void of_device_unregister(struct of_device *ofdev)
103{
99 device_remove_file(&ofdev->dev, &dev_attr_devspec);
100 device_unregister(&ofdev->dev);
101}
102EXPORT_SYMBOL(of_device_unregister);
104 device_unregister(&ofdev->dev);
105}
106EXPORT_SYMBOL(of_device_unregister);