mailbox: arm-mhu: Use device-managed registration API

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

Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

1 files changed, 1 insertions, 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);