linux-kernel - [PATCH 06/19] mailbox: hi3660: Use device-managed registration API

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Date:   Wed, 21 Nov 2018 15:54:16 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Jassi Brar <jassisinghbrar@...il.com>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 06/19] mailbox: hi3660: Use device-managed registration API

From: Thierry Reding <treding@...dia.com>

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

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 drivers/mailbox/hi3660-mailbox.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/mailbox/hi3660-mailbox.c b/drivers/mailbox/hi3660-mailbox.c
index 3eea6b642484..17ccf69c4f4f 100644
--- a/drivers/mailbox/hi3660-mailbox.c
+++ b/drivers/mailbox/hi3660-mailbox.c
@@ -267,7 +267,7 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
 	for (ch = 0; ch < MBOX_CHAN_MAX; ch++)
 		chan[ch].con_priv = (void *)ch;
 
-	err = mbox_controller_register(&mbox->controller);
+	err = devm_mbox_controller_register(dev, &mbox->controller);
 	if (err) {
 		dev_err(dev, "Failed to register mailbox %d\n", err);
 		return err;
@@ -278,17 +278,8 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int hi3660_mbox_remove(struct platform_device *pdev)
-{
-	struct hi3660_mbox *mbox = platform_get_drvdata(pdev);
-
-	mbox_controller_unregister(&mbox->controller);
-	return 0;
-}
-
 static struct platform_driver hi3660_mbox_driver = {
 	.probe  = hi3660_mbox_probe,
-	.remove = hi3660_mbox_remove,
 	.driver = {
 		.name = "hi3660-mbox",
 		.of_match_table = hi3660_mbox_of_match,
-- 
2.19.1