leds: Introduce devres helper for led_classdev_register

(cooloney@gmail.com: add _unregister function into the document)

Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt
index 6d1e8eeb5990..e1e2bbd7a404 100644
--- a/Documentation/driver-model/devres.txt
+++ b/Documentation/driver-model/devres.txt
@@ -289,6 +289,10 @@ IRQ
   devm_request_irq()
   devm_request_threaded_irq()
 
+LED
+  devm_led_classdev_register()
+  devm_led_classdev_unregister()
+
 MDIO
   devm_mdiobus_alloc()
   devm_mdiobus_alloc_size()