diff options
author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2010-06-21 10:11:44 -0400 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-05 16:53:34 -0400 |
commit | 44f28bdea09415d40b4d73a7668db5961362ec53 (patch) | |
tree | 7f36eedff7cdfba9d9d0b77f9a4227d3bb0b190f /include/linux | |
parent | 3e61dfd8509a52d165726831c57b4c8a015d626c (diff) |
Driver core: reduce duplicated code for platform_device creation
This makes the two similar functions platform_device_register_simple
and platform_device_register_data one line inline functions using a new
generic function platform_device_register_resndata.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/platform_device.h | 62 |
1 files changed, 58 insertions, 4 deletions
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 5417944d3687..d7ecad0093bb 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h | |||
@@ -43,10 +43,64 @@ extern struct resource *platform_get_resource_byname(struct platform_device *, u | |||
43 | extern int platform_get_irq_byname(struct platform_device *, const char *); | 43 | extern int platform_get_irq_byname(struct platform_device *, const char *); |
44 | extern int platform_add_devices(struct platform_device **, int); | 44 | extern int platform_add_devices(struct platform_device **, int); |
45 | 45 | ||
46 | extern struct platform_device *platform_device_register_simple(const char *, int id, | 46 | extern struct platform_device *platform_device_register_resndata( |
47 | const struct resource *, unsigned int); | 47 | struct device *parent, const char *name, int id, |
48 | extern struct platform_device *platform_device_register_data(struct device *, | 48 | const struct resource *res, unsigned int num, |
49 | const char *, int, const void *, size_t); | 49 | const void *data, size_t size); |
50 | |||
51 | /** | ||
52 | * platform_device_register_simple - add a platform-level device and its resources | ||
53 | * @name: base name of the device we're adding | ||
54 | * @id: instance id | ||
55 | * @res: set of resources that needs to be allocated for the device | ||
56 | * @num: number of resources | ||
57 | * | ||
58 | * This function creates a simple platform device that requires minimal | ||
59 | * resource and memory management. Canned release function freeing memory | ||
60 | * allocated for the device allows drivers using such devices to be | ||
61 | * unloaded without waiting for the last reference to the device to be | ||
62 | * dropped. | ||
63 | * | ||
64 | * This interface is primarily intended for use with legacy drivers which | ||
65 | * probe hardware directly. Because such drivers create sysfs device nodes | ||
66 | * themselves, rather than letting system infrastructure handle such device | ||
67 | * enumeration tasks, they don't fully conform to the Linux driver model. | ||
68 | * In particular, when such drivers are built as modules, they can't be | ||
69 | * "hotplugged". | ||
70 | * | ||
71 | * Returns &struct platform_device pointer on success, or ERR_PTR() on error. | ||
72 | */ | ||
73 | static inline struct platform_device *platform_device_register_simple( | ||
74 | const char *name, int id, | ||
75 | const struct resource *res, unsigned int num) | ||
76 | { | ||
77 | return platform_device_register_resndata(NULL, name, id, | ||
78 | res, num, NULL, 0); | ||
79 | } | ||
80 | |||
81 | /** | ||
82 | * platform_device_register_data - add a platform-level device with platform-specific data | ||
83 | * @parent: parent device for the device we're adding | ||
84 | * @name: base name of the device we're adding | ||
85 | * @id: instance id | ||
86 | * @data: platform specific data for this platform device | ||
87 | * @size: size of platform specific data | ||
88 | * | ||
89 | * This function creates a simple platform device that requires minimal | ||
90 | * resource and memory management. Canned release function freeing memory | ||
91 | * allocated for the device allows drivers using such devices to be | ||
92 | * unloaded without waiting for the last reference to the device to be | ||
93 | * dropped. | ||
94 | * | ||
95 | * Returns &struct platform_device pointer on success, or ERR_PTR() on error. | ||
96 | */ | ||
97 | static inline struct platform_device *platform_device_register_data( | ||
98 | struct device *parent, const char *name, int id, | ||
99 | const void *data, size_t size) | ||
100 | { | ||
101 | return platform_device_register_resndata(parent, name, id, | ||
102 | NULL, 0, data, size); | ||
103 | } | ||
50 | 104 | ||
51 | extern struct platform_device *platform_device_alloc(const char *name, int id); | 105 | extern struct platform_device *platform_device_alloc(const char *name, int id); |
52 | extern int platform_device_add_resources(struct platform_device *pdev, | 106 | extern int platform_device_add_resources(struct platform_device *pdev, |