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From:   Thierry Reding <thierry.reding@gmail.com>
To:     Jassi Brar <jassisinghbrar@gmail.com>
Cc:     linux-kernel@vger.kernel.org, Ley Foon Tan <lftan@altera.com>
Subject: [PATCH v2 09/19] mailbox: altera: Use device-managed registration API
Date:   Mon, 17 Dec 2018 16:02:07 +0100
Message-Id: <20181217150217.32435-10-thierry.reding@gmail.com>
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References: <20181217150217.32435-1-thierry.reding@gmail.com>
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From: Thierry Reding <treding@nvidia.com>

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

Cc: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/mailbox/mailbox-altera.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/mailbox/mailbox-altera.c b/drivers/mailbox/mailbox-altera.c
index bcb29df9549e..397e25ddae29 100644
--- a/drivers/mailbox/mailbox-altera.c
+++ b/drivers/mailbox/mailbox-altera.c
@@ -341,7 +341,7 @@ static int altera_mbox_probe(struct platform_device *pdev)
 		}
 	}
 
-	ret = mbox_controller_register(&mbox->controller);
+	ret = devm_mbox_controller_register(&pdev->dev, &mbox->controller);
 	if (ret) {
 		dev_err(&pdev->dev, "Register mailbox failed\n");
 		goto err;
@@ -352,18 +352,6 @@ static int altera_mbox_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int altera_mbox_remove(struct platform_device *pdev)
-{
-	struct altera_mbox *mbox = platform_get_drvdata(pdev);
-
-	if (!mbox)
-		return -EINVAL;
-
-	mbox_controller_unregister(&mbox->controller);
-
-	return 0;
-}
-
 static const struct of_device_id altera_mbox_match[] = {
 	{ .compatible = "altr,mailbox-1.0" },
 	{ /* Sentinel */ }
@@ -373,7 +361,6 @@ MODULE_DEVICE_TABLE(of, altera_mbox_match);
 
 static struct platform_driver altera_mbox_driver = {
 	.probe	= altera_mbox_probe,
-	.remove	= altera_mbox_remove,
 	.driver	= {
 		.name	= DRIVER_NAME,
 		.of_match_table	= altera_mbox_match,
-- 
2.19.1