[PATCH v2 06/19] mailbox: hi3660: Use device-managed registration API

From: Thierry Reding
Date: Mon Dec 17 2018 - 10:02:41 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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

Cc: Kevin Wangtao <kevin.wangtao@xxxxxxxxxxxxx>
Cc: Kaihua Zhong <zhongkaihua@xxxxxxxxxx>
Cc: Ruyi Wang <wangruyi@xxxxxxxxxx>
Cc: Leo Yan <leo.yan@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/mailbox/hi3660-mailbox.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/mailbox/hi3660-mailbox.c b/drivers/mailbox/hi3660-mailbox.c
index f9aed5d8f9f1..53f4bc2488c5 100644
--- a/drivers/mailbox/hi3660-mailbox.c
+++ b/drivers/mailbox/hi3660-mailbox.c
@@ -265,7 +265,7 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
for (ch = 0; ch < MBOX_CHAN_MAX; ch++)
chan[ch].con_priv = (void *)ch;

- 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;
@@ -276,17 +276,8 @@ static int hi3660_mbox_probe(struct platform_device *pdev)
return 0;
}

-static int hi3660_mbox_remove(struct platform_device *pdev)
-{
- struct hi3660_mbox *mbox = platform_get_drvdata(pdev);
-
- mbox_controller_unregister(&mbox->controller);
- return 0;
-}
-
static struct platform_driver hi3660_mbox_driver = {
.probe = hi3660_mbox_probe,
- .remove = hi3660_mbox_remove,
.driver = {
.name = "hi3660-mbox",
.of_match_table = hi3660_mbox_of_match,
--
2.19.1