linux-kernel - [PATCH V2 09/20] mfd: menf21bmc: Use devm_mfd_add_devices() for mfd

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Date:	Fri, 8 Apr 2016 00:13:03 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	<lee.jones@...aro.org>, <corbet@....net>, <andreas.werner@....de>,
	<tony@...mide.com>
CC:	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<patches@...nsource.wolfsonmicro.com>,
	"Laxman Dewangan" <ldewangan@...dia.com>
Subject: [PATCH V2 09/20] mfd: menf21bmc: Use devm_mfd_add_devices() for mfd_device registration

Use devm_mfd_add_devices() for MFD devices registration and get
rid of .remove callback to remove MFD child-devices. This is done
by managed device framework.

Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
CC: Andreas Werner <andreas.werner@....de>
Reviewed-by: Andreas Werner <andreas.werner@....de>

---
Changes from V1:
- Convert mfd to MFD.
- Run checkpatch with --strict option and fix warning.
- Collected reviewed by.

 drivers/mfd/menf21bmc.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/mfd/menf21bmc.c b/drivers/mfd/menf21bmc.c
index 1c27434..3ad2def 100644
--- a/drivers/mfd/menf21bmc.c
+++ b/drivers/mfd/menf21bmc.c
@@ -96,8 +96,8 @@ menf21bmc_probe(struct i2c_client *client, const struct i2c_device_id *ids)
 		return ret;
 	}
 
-	ret = mfd_add_devices(&client->dev, 0, menf21bmc_cell,
-			      ARRAY_SIZE(menf21bmc_cell), NULL, 0, NULL);
+	ret = devm_mfd_add_devices(&client->dev, 0, menf21bmc_cell,
+				   ARRAY_SIZE(menf21bmc_cell), NULL, 0, NULL);
 	if (ret < 0) {
 		dev_err(&client->dev, "failed to add BMC sub-devices\n");
 		return ret;
@@ -106,12 +106,6 @@ menf21bmc_probe(struct i2c_client *client, const struct i2c_device_id *ids)
 	return 0;
 }
 
-static int menf21bmc_remove(struct i2c_client *client)
-{
-	mfd_remove_devices(&client->dev);
-	return 0;
-}
-
 static const struct i2c_device_id menf21bmc_id_table[] = {
 	{ "menf21bmc" },
 	{ }
@@ -122,7 +116,6 @@ static struct i2c_driver menf21bmc_driver = {
 	.driver.name	= "menf21bmc",
 	.id_table	= menf21bmc_id_table,
 	.probe		= menf21bmc_probe,
-	.remove		= menf21bmc_remove,
 };
 
 module_i2c_driver(menf21bmc_driver);
-- 
2.1.4