linux-kernel - [PATCH 4/7] i2c: s3c2410: Convert to use devm

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Date:	Fri, 23 Nov 2012 11:29:10 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org
Cc:	w.sang@...gutronix.de, kgene.kim@...sung.com, patches@...aro.org
Subject: [PATCH 4/7] i2c: s3c2410: Convert to use devm_ioremap()

Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
---
 drivers/i2c/busses/i2c-s3c2410.c |   13 ++++---------
 1 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index a274ef7..3446af2 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -996,7 +996,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 		goto err_clk;
 	}
 
-	i2c->regs = ioremap(res->start, resource_size(res));
+	i2c->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res));
 
 	if (i2c->regs == NULL) {
 		dev_err(&pdev->dev, "cannot map IO\n");
@@ -1016,7 +1016,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 
 	ret = s3c24xx_i2c_init(i2c);
 	if (ret != 0)
-		goto err_iomap;
+		goto err_clk;
 
 	/* find the IRQ for this unit (note, this relies on the init call to
 	 * ensure no current IRQs pending
@@ -1025,7 +1025,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 	i2c->irq = ret = platform_get_irq(pdev, 0);
 	if (ret <= 0) {
 		dev_err(&pdev->dev, "cannot find IRQ\n");
-		goto err_iomap;
+		goto err_clk;
 	}
 
 	ret = request_irq(i2c->irq, s3c24xx_i2c_irq, 0,
@@ -1033,7 +1033,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 
 	if (ret != 0) {
 		dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq);
-		goto err_iomap;
+		goto err_clk;
 	}
 
 	ret = s3c24xx_i2c_register_cpufreq(i2c);
@@ -1073,9 +1073,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
  err_irq:
 	free_irq(i2c->irq, i2c);
 
- err_iomap:
-	iounmap(i2c->regs);
-
  err_clk:
 	clk_disable_unprepare(i2c->clk);
 	return ret;
@@ -1100,8 +1097,6 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
 
 	clk_disable_unprepare(i2c->clk);
 
-	iounmap(i2c->regs);
-
 	s3c24xx_i2c_dt_gpio_free(i2c);
 
 	return 0;
-- 
1.7.4.1

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