linux-kernel - [RFCv2 4/8] [media] si4713: use managed irq request

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Message-Id: <1413904027-16767-5-git-send-email-sre@kernel.org>
Date:	Tue, 21 Oct 2014 17:07:03 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Hans Verkuil <hans.verkuil@...co.com>, linux-media@...r.kernel.org
Cc:	Tony Lindgren <tony@...mide.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	Sebastian Reichel <sre@...nel.org>
Subject: [RFCv2 4/8] [media] si4713: use managed irq request

Introduce the usage of managed irq request to
simplify the code slightly.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
 drivers/media/radio/si4713/si4713.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/media/radio/si4713/si4713.c b/drivers/media/radio/si4713/si4713.c
index efc5d6b..ebec16d 100644
--- a/drivers/media/radio/si4713/si4713.c
+++ b/drivers/media/radio/si4713/si4713.c
@@ -1590,7 +1590,7 @@ static int si4713_probe(struct i2c_client *client,
 	sdev->sd.ctrl_handler = hdl;
 
 	if (client->irq) {
-		rval = request_irq(client->irq,
+		rval = devm_request_irq(&client->dev, client->irq,
 			si4713_handler, IRQF_TRIGGER_FALLING,
 			client->name, sdev);
 		if (rval < 0) {
@@ -1605,14 +1605,11 @@ static int si4713_probe(struct i2c_client *client,
 	rval = si4713_initialize(sdev);
 	if (rval < 0) {
 		v4l2_err(&sdev->sd, "Failed to probe device information.\n");
-		goto free_irq;
+		goto free_ctrls;
 	}
 
 	return 0;
 
-free_irq:
-	if (client->irq)
-		free_irq(client->irq, sdev);
 free_ctrls:
 	v4l2_ctrl_handler_free(hdl);
 exit:
@@ -1628,9 +1625,6 @@ static int si4713_remove(struct i2c_client *client)
 	if (sdev->power_state)
 		si4713_set_power_state(sdev, POWER_DOWN);
 
-	if (client->irq > 0)
-		free_irq(client->irq, sdev);
-
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(sd->ctrl_handler);
 
-- 
2.1.1

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