[PATCH 02/19] mailbox: arm-mhu: Use device-managed registration API

From: Thierry Reding
Date: Wed Nov 21 2018 - 09:54:38 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/mailbox/arm_mhu.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/mailbox/arm_mhu.c b/drivers/mailbox/arm_mhu.c
index 99befa76e37c..64d85c6a2bdf 100644
--- a/drivers/mailbox/arm_mhu.c
+++ b/drivers/mailbox/arm_mhu.c
@@ -152,7 +152,7 @@ static int mhu_probe(struct amba_device *adev, const struct amba_id *id)

amba_set_drvdata(adev, 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;
@@ -162,15 +162,6 @@ static int mhu_probe(struct amba_device *adev, const struct amba_id *id)
return 0;
}

-static int mhu_remove(struct amba_device *adev)
-{
- struct arm_mhu *mhu = amba_get_drvdata(adev);
-
- mbox_controller_unregister(&mhu->mbox);
-
- return 0;
-}
-
static struct amba_id mhu_ids[] = {
{
.id = 0x1bb098,
@@ -186,7 +177,6 @@ static struct amba_driver arm_mhu_driver = {
},
.id_table = mhu_ids,
.probe = mhu_probe,
- .remove = mhu_remove,
};
module_amba_driver(arm_mhu_driver);

--
2.19.1