diff options
| author |   Tushar Behera <tushar.behera@linaro.org> | 2013-01-24 15:41:07 +0530 |
|---|---|---|
| committer |   Wolfram Sang <w.sang@pengutronix.de> | 2013-01-28 05:26:44 +0100 |
| commit | 2b255b947f39d9360662abf6667957add6064646 (patch) | |
| tree | a98080692b10f0b6dce72d0828c0eb5e746698ac /drivers/i2c | |
| parent | i2c: s3c2410: Remove unnecessary label err_noclk (diff) | |
| download | linux-dev-2b255b947f39d9360662abf6667957add6064646.tar.xz linux-dev-2b255b947f39d9360662abf6667957add6064646.zip | |
i2c: s3c2410: Convert to use devm_* APIs
i2c-s3c2410 driver is modified to use devm_clk_get()
and devm_request_irq(). This also simplifies the
return path in driver's probe.
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index b7ca1f49d548..4b6cc130eb71 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -1022,7 +1022,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) /* find the clock and enable it */ i2c->dev = &pdev->dev; - i2c->clk = clk_get(&pdev->dev, "i2c"); + i2c->clk = devm_clk_get(&pdev->dev, "i2c"); if (IS_ERR(i2c->clk)) { dev_err(&pdev->dev, "cannot get clock\n"); return -ENOENT; @@ -1044,7 +1044,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) i2c->regs = devm_request_and_ioremap(&pdev->dev, res); if (i2c->regs == NULL) { - dev_err(&pdev->dev, "cannot map IO\n"); + dev_err(&pdev->dev, "cannot request and map IO\n"); ret = -ENXIO; goto err_clk; } @@ -1084,8 +1084,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) goto err_clk; } - ret = request_irq(i2c->irq, s3c24xx_i2c_irq, 0, - dev_name(&pdev->dev), i2c); + ret = devm_request_irq(&pdev->dev, i2c->irq, s3c24xx_i2c_irq, 0, + dev_name(&pdev->dev), i2c); if (ret != 0) { dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq); @@ -1095,7 +1095,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) ret = s3c24xx_i2c_register_cpufreq(i2c); if (ret < 0) { dev_err(&pdev->dev, "failed to register cpufreq notifier\n"); - goto err_irq; + goto err_clk; } /* Note, previous versions of the driver used i2c_add_adapter() @@ -1126,12 +1126,8 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) err_cpufreq: s3c24xx_i2c_deregister_cpufreq(i2c); - err_irq: - free_irq(i2c->irq, i2c); - err_clk: clk_disable_unprepare(i2c->clk); - clk_put(i2c->clk); return ret; } @@ -1150,10 +1146,8 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev) s3c24xx_i2c_deregister_cpufreq(i2c); i2c_del_adapter(&i2c->adap); - free_irq(i2c->irq, i2c); clk_disable_unprepare(i2c->clk); - clk_put(i2c->clk); if (pdev->dev.of_node && IS_ERR(i2c->pctrl)) s3c24xx_i2c_dt_gpio_free(i2c); |