linux-kernel - [PATCH v3 15/19] mailbox: platform-mhu: Use device-managed registration API

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Message-Id: <20181220172002.9016-16-thierry.reding@gmail.com>
Date:   Thu, 20 Dec 2018 18:19:58 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Jassi Brar <jassisinghbrar@...il.com>
Cc:     linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH v3 15/19] mailbox: platform-mhu: 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.

Cc: Neil Armstrong <narmstrong@...libre.com>
Acked-by: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: Thierry Reding <treding@...dia.com>
---
 drivers/mailbox/platform_mhu.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/mailbox/platform_mhu.c b/drivers/mailbox/platform_mhu.c
index e13201a5cec6..d2502c5be130 100644
--- a/drivers/mailbox/platform_mhu.c
+++ b/drivers/mailbox/platform_mhu.c
@@ -163,7 +163,7 @@ static int platform_mhu_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, mhu);
 
-	err = mbox_controller_register(&mhu->mbox);
+	err = devm_mbox_controller_register(dev, &mhu->mbox);
 	if (err) {
 		dev_err(dev, "Failed to register mailboxes %d\n", err);
 		return err;
@@ -173,15 +173,6 @@ static int platform_mhu_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int platform_mhu_remove(struct platform_device *pdev)
-{
-	struct platform_mhu *mhu = platform_get_drvdata(pdev);
-
-	mbox_controller_unregister(&mhu->mbox);
-
-	return 0;
-}
-
 static const struct of_device_id platform_mhu_dt_ids[] = {
 	{ .compatible = "amlogic,meson-gxbb-mhu", },
 	{ /* sentinel */ },
@@ -190,7 +181,6 @@ MODULE_DEVICE_TABLE(of, platform_mhu_dt_ids);
 
 static struct platform_driver platform_mhu_driver = {
 	.probe	= platform_mhu_probe,
-	.remove	= platform_mhu_remove,
 	.driver = {
 		.name = "platform-mhu",
 		.of_match_table	= platform_mhu_dt_ids,
-- 
2.19.1