mailbox: armada-37xx-rwtm: Use device-managed registration API

Use devm_mbox_controller_register to get rid of
redundant remove function.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

diff --git a/drivers/mailbox/armada-37xx-rwtm-mailbox.c b/drivers/mailbox/armada-37xx-rwtm-mailbox.c
index 97f90e97a83c3701de6a45420a995d6354e497cf..19f086716dc55426eceacda46031eaae1da4b376 100644 (file)
--- a/drivers/mailbox/armada-37xx-rwtm-mailbox.c
+++ b/drivers/mailbox/armada-37xx-rwtm-mailbox.c
@@ -180,7 +180,7 @@ static int armada_37xx_mbox_probe(struct platform_device *pdev)
        mbox->controller.ops = &a37xx_mbox_ops;
        mbox->controller.txdone_irq = true;
 
-       ret = mbox_controller_register(&mbox->controller);
+       ret = devm_mbox_controller_register(mbox->dev, &mbox->controller);
        if (ret) {
                dev_err(&pdev->dev, "Could not register mailbox controller\n");
                return ret;
@@ -190,17 +190,6 @@ static int armada_37xx_mbox_probe(struct platform_device *pdev)
        return ret;
 }
 
-static int armada_37xx_mbox_remove(struct platform_device *pdev)
-{
-       struct a37xx_mbox *mbox = platform_get_drvdata(pdev);
-
-       if (!mbox)
-               return -EINVAL;
-
-       mbox_controller_unregister(&mbox->controller);
-
-       return 0;
-}
 
 static const struct of_device_id armada_37xx_mbox_match[] = {
        { .compatible = "marvell,armada-3700-rwtm-mailbox" },
@@ -211,7 +200,6 @@ MODULE_DEVICE_TABLE(of, armada_37xx_mbox_match);
 
 static struct platform_driver armada_37xx_mbox_driver = {
        .probe  = armada_37xx_mbox_probe,
-       .remove = armada_37xx_mbox_remove,
        .driver = {
                .name           = DRIVER_NAME,
                .of_match_table = armada_37xx_mbox_match,