[PATCH v3 11/19] mailbox: xgene-slimpro: Use device-managed registration API

From: Thierry Reding
Date: Thu Dec 20 2018 - 12:21:30 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/mailbox-xgene-slimpro.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c b/drivers/mailbox/mailbox-xgene-slimpro.c
index b8b2b3533f46..8f397da1150b 100644
--- a/drivers/mailbox/mailbox-xgene-slimpro.c
+++ b/drivers/mailbox/mailbox-xgene-slimpro.c
@@ -224,7 +224,7 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
ctx->mb_ctrl.ops = &slimpro_mbox_ops;
ctx->mb_ctrl.num_chans = i;

- rc = mbox_controller_register(&ctx->mb_ctrl);
+ rc = devm_mbox_controller_register(&pdev->dev, &ctx->mb_ctrl);
if (rc) {
dev_err(&pdev->dev,
"APM X-Gene SLIMpro MailBox register failed:%d\n", rc);
@@ -235,14 +235,6 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
return 0;
}

-static int slimpro_mbox_remove(struct platform_device *pdev)
-{
- struct slimpro_mbox *smb = platform_get_drvdata(pdev);
-
- mbox_controller_unregister(&smb->mb_ctrl);
- return 0;
-}
-
static const struct of_device_id slimpro_of_match[] = {
{.compatible = "apm,xgene-slimpro-mbox" },
{ },
@@ -259,7 +251,6 @@ MODULE_DEVICE_TABLE(acpi, slimpro_acpi_ids);

static struct platform_driver slimpro_mbox_driver = {
.probe = slimpro_mbox_probe,
- .remove = slimpro_mbox_remove,
.driver = {
.name = "xgene-slimpro-mbox",
.of_match_table = of_match_ptr(slimpro_of_match),
--
2.19.1