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>
diff --git a/drivers/base/core.c b/drivers/base/core.c
index bb2cc37..bffb69e 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -157,6 +157,11 @@
"MINOR=%u", MINOR(dev->devt));
}
+ if (dev->type && dev->type->name)
+ add_uevent_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "DEVTYPE=%s", dev->type->name);
+
if (dev->driver)
add_uevent_var(envp, num_envp, &i,
buffer, buffer_size, &length,