[PATCH v2 17/19] mailbox: rockchip: Use device-managed registration API

[Thierry Reding]

From: Thierry Reding <tred...@nvidia.com>

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

Cc: Caesar Wang <w...@rock-chips.com>
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
 drivers/mailbox/rockchip-mailbox.c | 15 +--------------
 1 file changed, 1 insertion(+), 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),
-- 
2.19.1