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From:   Thierry Reding <thierry.reding@gmail.com>
To:     Jassi Brar <jassisinghbrar@gmail.com>
Cc:     linux-kernel@vger.kernel.org
Subject: [PATCH 11/19] mailbox: xgene-slimpro: Use device-managed registration API
Date:   Wed, 21 Nov 2018 15:54:21 +0100
Message-Id: <20181121145429.7582-12-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.

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

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c b/drivers/mailbox/mailbox-xgene-slimpro.c
index b8b2b3533f46..8f397da1150b 100644
--- a/drivers/mailbox/mailbox-xgene-slimpro.c
+++ b/drivers/mailbox/mailbox-xgene-slimpro.c
@@ -224,7 +224,7 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
 	ctx->mb_ctrl.ops = &slimpro_mbox_ops;
 	ctx->mb_ctrl.num_chans = i;
 
-	rc = mbox_controller_register(&ctx->mb_ctrl);
+	rc = devm_mbox_controller_register(&pdev->dev, &ctx->mb_ctrl);
 	if (rc) {
 		dev_err(&pdev->dev,
 			"APM X-Gene SLIMpro MailBox register failed:%d\n", rc);
@@ -235,14 +235,6 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int slimpro_mbox_remove(struct platform_device *pdev)
-{
-	struct slimpro_mbox *smb = platform_get_drvdata(pdev);
-
-	mbox_controller_unregister(&smb->mb_ctrl);
-	return 0;
-}
-
 static const struct of_device_id slimpro_of_match[] = {
 	{.compatible = "apm,xgene-slimpro-mbox" },
 	{ },
@@ -259,7 +251,6 @@ MODULE_DEVICE_TABLE(acpi, slimpro_acpi_ids);
 
 static struct platform_driver slimpro_mbox_driver = {
 	.probe	= slimpro_mbox_probe,
-	.remove = slimpro_mbox_remove,
 	.driver	= {
 		.name = "xgene-slimpro-mbox",
 		.of_match_table = of_match_ptr(slimpro_of_match),
-- 
2.19.1