diff options
| author | Kay Sievers <kay.sievers@novell.com> | 2006-10-07 19:54:55 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-02-07 18:37:13 (GMT) |
| commit | 239378f16aa1ab5c502e42a06359d2de4f88ebb4 (patch) | |
| tree | 5d9cee0ef7706f93c3bb07cd1b0295b578a6f0e1 /drivers/base | |
| parent | bf0acc330229554c695e4f95e5aa2d2c4f12de1f (diff) | |
| download | linux-239378f16aa1ab5c502e42a06359d2de4f88ebb4.tar.xz | |
Driver core: add uevent vars for devices of a class
Devices converted from class_device to device should have
the same uevent keys as the original class_device had. We
search up the parents until we find the first bus device and
add the (already deprecated) PHYDEV* values.
Signed-off-by: Kay Sievers <kay.sievers@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/core.c | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 6fee3e6..7a5336f 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -154,25 +154,47 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp, "MINOR=%u", MINOR(dev->devt)); } -#ifdef CONFIG_SYSFS_DEPRECATED - /* add bus name (same as SUBSYSTEM, deprecated) */ - if (dev->bus) - add_uevent_var(envp, num_envp, &i, - buffer, buffer_size, &length, - "PHYSDEVBUS=%s", dev->bus->name); -#endif - - /* add driver name (PHYSDEV* values are deprecated)*/ - if (dev->driver) { + if (dev->driver) add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "DRIVER=%s", dev->driver->name); + #ifdef CONFIG_SYSFS_DEPRECATED + if (dev->class) { + struct device *parent = dev->parent; + + /* find first bus device in parent chain */ + while (parent && !parent->bus) + parent = parent->parent; + if (parent && parent->bus) { + const char *path; + + path = kobject_get_path(&parent->kobj, GFP_KERNEL); + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVPATH=%s", path); + kfree(path); + + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVBUS=%s", parent->bus->name); + + if (parent->driver) + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVDRIVER=%s", parent->driver->name); + } + } else if (dev->bus) { add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, - "PHYSDEVDRIVER=%s", dev->driver->name); -#endif + "PHYSDEVBUS=%s", dev->bus->name); + + if (dev->driver) + add_uevent_var(envp, num_envp, &i, + buffer, buffer_size, &length, + "PHYSDEVDRIVER=%s", dev->driver->name); } +#endif /* terminate, set to next free slot, shrink available space */ envp[i] = NULL; |