[PATCH v3 10/19] mailbox: sti: Use device-managed registration API

From: Thierry Reding
Date: Thu Dec 20 2018 - 12:21:16 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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

Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/mailbox/mailbox-sti.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/mailbox/mailbox-sti.c b/drivers/mailbox/mailbox-sti.c
index 779d41262ef0..adf82b85dbb2 100644
--- a/drivers/mailbox/mailbox-sti.c
+++ b/drivers/mailbox/mailbox-sti.c
@@ -462,7 +462,7 @@ static int sti_mbox_probe(struct platform_device *pdev)
mbox->chans = chans;
mbox->num_chans = STI_MBOX_CHAN_MAX;

- ret = mbox_controller_register(mbox);
+ ret = devm_mbox_controller_register(&pdev->dev, mbox);
if (ret)
return ret;

@@ -480,7 +480,6 @@ static int sti_mbox_probe(struct platform_device *pdev)
IRQF_ONESHOT, mdev->name, mdev);
if (ret) {
dev_err(&pdev->dev, "Can't claim IRQ %d\n", irq);
- mbox_controller_unregister(mbox);
return -EINVAL;
}

@@ -489,18 +488,8 @@ static int sti_mbox_probe(struct platform_device *pdev)
return 0;
}

-static int sti_mbox_remove(struct platform_device *pdev)
-{
- struct sti_mbox_device *mdev = platform_get_drvdata(pdev);
-
- mbox_controller_unregister(mdev->mbox);
-
- return 0;
-}
-
static struct platform_driver sti_mbox_driver = {
.probe = sti_mbox_probe,
- .remove = sti_mbox_remove,
.driver = {
.name = "sti-mailbox",
.of_match_table = sti_mailbox_match,
--
2.19.1