[PATCH v2 07/19] mailbox: hi6220: Use device-managed registration API

From: Thierry Reding
Date: Mon Dec 17 2018 - 10:02:44 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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

Cc: Leo Yan <leo.yan@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/mailbox/hi6220-mailbox.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/mailbox/hi6220-mailbox.c b/drivers/mailbox/hi6220-mailbox.c
index 4fa9803cd204..c32cbfaf223a 100644
--- a/drivers/mailbox/hi6220-mailbox.c
+++ b/drivers/mailbox/hi6220-mailbox.c
@@ -349,7 +349,7 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
mbox->controller.txpoll_period = 5;
}

- 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;
@@ -360,14 +360,6 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
return 0;
}

-static int hi6220_mbox_remove(struct platform_device *pdev)
-{
- struct hi6220_mbox *mbox = platform_get_drvdata(pdev);
-
- mbox_controller_unregister(&mbox->controller);
- return 0;
-}
-
static struct platform_driver hi6220_mbox_driver = {
.driver = {
.name = "hi6220-mbox",
@@ -375,7 +367,6 @@ static struct platform_driver hi6220_mbox_driver = {
.of_match_table = hi6220_mbox_of_match,
},
.probe = hi6220_mbox_probe,
- .remove = hi6220_mbox_remove,
};

static int __init hi6220_mbox_init(void)
--
2.19.1