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| author | Kay Sievers <kay.sievers@vrfy.org> | 2007-03-12 23:08:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-04-27 21:57:28 +0400 |
| commit | 414264f959cf46f49f974b3510400e12ac3624a6 (patch) | |
| tree | ead43994761620cbf7cb22525610627786562098 /include/linux/device.h | |
| parent | 621a1672f7377e08a942f205d6742d8af1292aab (diff) | |
| download | linux-414264f959cf46f49f974b3510400e12ac3624a6.tar.xz | |
Driver core: add name to device_type
If "name" of a device_type is specified, the uevent will
contain the device_type name in the DEVTYPE variable.
This helps userspace to distingiush between different types
of devices, belonging to the same subsystem.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 3b64fdecd041..7f63d4de5c4d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -331,7 +331,17 @@ extern struct class_device *class_device_create(struct class *cls, __attribute__((format(printf,5,6))); extern void class_device_destroy(struct class *cls, dev_t devt); +/* + * The type of device, "struct device" is embedded in. A class + * or bus can contain devices of different types + * like "partitions" and "disks", "mouse" and "event". + * This identifies the device type and carries type-specific + * information, equivalent to the kobj_type of a kobject. + * If "name" is specified, the uevent will contain it in + * the DEVTYPE variable. + */ struct device_type { + const char *name; struct attribute_group **groups; int (*uevent)(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size); |