linux-kernel - [PATCH V2 08/20] mfd: lp3943: Use devm_mfd_add_devices() for mfd

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Message-ID: <1460054594-32325-9-git-send-email-ldewangan@nvidia.com>
Date:	Fri, 8 Apr 2016 00:13:02 +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>,
	Milo Kim <milo.kim@...com>
Subject: [PATCH V2 08/20] mfd: lp3943: 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: Milo Kim <milo.kim@...com>
Acked-by: Milo Kim <milo.kim@...com>

---
Changes from V1:
- Convert mfd to MFD.
- Collected acks.

 drivers/mfd/lp3943.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/mfd/lp3943.c b/drivers/mfd/lp3943.c
index eecbb13..65a2a8f1 100644
--- a/drivers/mfd/lp3943.c
+++ b/drivers/mfd/lp3943.c
@@ -123,16 +123,9 @@ static int lp3943_probe(struct i2c_client *cl, const struct i2c_device_id *id)
 	lp3943->mux_cfg = lp3943_mux_cfg;
 	i2c_set_clientdata(cl, lp3943);
 
-	return mfd_add_devices(dev, -1, lp3943_devs, ARRAY_SIZE(lp3943_devs),
-			       NULL, 0, NULL);
-}
-
-static int lp3943_remove(struct i2c_client *cl)
-{
-	struct lp3943 *lp3943 = i2c_get_clientdata(cl);
-
-	mfd_remove_devices(lp3943->dev);
-	return 0;
+	return devm_mfd_add_devices(dev, -1, lp3943_devs,
+				    ARRAY_SIZE(lp3943_devs),
+				    NULL, 0, NULL);
 }
 
 static const struct i2c_device_id lp3943_ids[] = {
@@ -151,7 +144,6 @@ MODULE_DEVICE_TABLE(of, lp3943_of_match);
 
 static struct i2c_driver lp3943_driver = {
 	.probe = lp3943_probe,
-	.remove = lp3943_remove,
 	.driver = {
 		.name = "lp3943",
 		.of_match_table = of_match_ptr(lp3943_of_match),
-- 
2.1.4