[PATCH v2 15/19] mailbox: platform-mhu: Use device-managed registration API

From: Thierry Reding
Date: Mon Dec 17 2018 - 10:03:35 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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

Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
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