From fa659a40b80b06140390c364362d7ca942e2b2f6 Mon Sep 17 00:00:00 2001 From: Oleksandr Kozaruk Date: Mon, 19 Aug 2013 12:09:00 +0100 Subject: [PATCH] iio: adc: twl6030-gpadc: Use devm_* API family Using devm_iio_device_alloc and devm_request_threaded_irq makes code simpler. Signed-off-by: Oleksandr Kozaruk Signed-off-by: Jonathan Cameron --- drivers/iio/adc/twl6030-gpadc.c | 36 ++++++++++-------------------------- 1 file changed, 10 insertions(+), 26 deletions(-) diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c index a80a049c9a55..a558516d140d 100644 --- a/drivers/iio/adc/twl6030-gpadc.c +++ b/drivers/iio/adc/twl6030-gpadc.c @@ -893,11 +893,9 @@ static int twl6030_gpadc_probe(struct platform_device *pdev) pdata = match->data; - indio_dev = iio_device_alloc(sizeof(*gpadc)); - if (!indio_dev) { - dev_err(dev, "failed allocating iio device\n"); - ret = -ENOMEM; - } + indio_dev = devm_iio_device_alloc(dev, sizeof(*gpadc)); + if (!indio_dev) + return -ENOMEM; gpadc = iio_priv(indio_dev); @@ -905,7 +903,7 @@ static int twl6030_gpadc_probe(struct platform_device *pdev) sizeof(*gpadc->twl6030_cal_tbl) * pdata->nchannels, GFP_KERNEL); if (!gpadc->twl6030_cal_tbl) - goto err_free_device; + return -ENOMEM; gpadc->dev = dev; gpadc->pdata = pdata; @@ -917,33 +915,30 @@ static int twl6030_gpadc_probe(struct platform_device *pdev) ret = pdata->calibrate(gpadc); if (ret < 0) { dev_err(&pdev->dev, "failed to read calibration registers\n"); - goto err_free_device; + return ret; } irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "failed to get irq\n"); - goto err_free_device; + return irq; } - ret = request_threaded_irq(irq, NULL, twl6030_gpadc_irq_handler, + ret = devm_request_threaded_irq(dev, irq, NULL, + twl6030_gpadc_irq_handler, IRQF_ONESHOT, "twl6030_gpadc", indio_dev); - if (ret) { - dev_dbg(&pdev->dev, "could not request irq\n"); - goto err_free_device; - } ret = twl6030_gpadc_enable_irq(TWL6030_GPADC_RT_SW1_EOC_MASK); if (ret < 0) { dev_err(&pdev->dev, "failed to enable GPADC interrupt\n"); - goto err_free_irq; + return ret; } ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, TWL6030_GPADCS, TWL6030_REG_TOGGLE1); if (ret < 0) { dev_err(&pdev->dev, "failed to enable GPADC module\n"); - goto err_free_irq; + return ret; } indio_dev->name = DRIVER_NAME; @@ -954,15 +949,6 @@ static int twl6030_gpadc_probe(struct platform_device *pdev) indio_dev->num_channels = pdata->nchannels; ret = iio_device_register(indio_dev); - if (ret) - goto err_free_irq; - - return ret; - -err_free_irq: - free_irq(irq, indio_dev); -err_free_device: - iio_device_free(indio_dev); return ret; } @@ -972,9 +958,7 @@ static int twl6030_gpadc_remove(struct platform_device *pdev) struct iio_dev *indio_dev = platform_get_drvdata(pdev); twl6030_gpadc_disable_irq(TWL6030_GPADC_RT_SW1_EOC_MASK); - free_irq(platform_get_irq(pdev, 0), indio_dev); iio_device_unregister(indio_dev); - iio_device_free(indio_dev); return 0; } -- 2.11.0