mailbox: rockchip: Use device-managed registration API

Get rid of some boilerplate driver removal code by using the newly added
device-managed registration API.

Reviewed-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

1 files changed, 1 insertions, 14 deletions

diff --git a/drivers/mailbox/rockchip-mailbox.c b/drivers/mailbox/rockchip-mailbox.c
index d702a204f5c1..f24a77b1a0ff 100644
--- a/drivers/mailbox/rockchip-mailbox.c
+++ b/drivers/mailbox/rockchip-mailbox.c
@@ -247,28 +247,15 @@ static int rockchip_mbox_probe(struct platform_device *pdev)
                 mb->chans[i].msg = NULL;
         }
 
-        ret = mbox_controller_register(&mb->mbox);
+        ret = devm_mbox_controller_register(&pdev->dev, &mb->mbox);
         if (ret < 0)
                 dev_err(&pdev->dev, "Failed to register mailbox: %d\n", ret);
 
         return ret;
 }
 
-static int rockchip_mbox_remove(struct platform_device *pdev)
-{
-        struct rockchip_mbox *mb = platform_get_drvdata(pdev);
-
-        if (!mb)
-                return -EINVAL;
-
-        mbox_controller_unregister(&mb->mbox);
-
-        return 0;
-}
-
 static struct platform_driver rockchip_mbox_driver = {
         .probe  = rockchip_mbox_probe,
-        .remove = rockchip_mbox_remove,
         .driver = {
                 .name = "rockchip-mailbox",
                 .of_match_table = of_match_ptr(rockchip_mbox_of_match),