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staging: iio: mxs-lradc: Use devm_iio_device_alloc

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Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-07-22 12:02:00 +01:00 committed by Jonathan Cameron
parent a8b168a15f
commit 073c33d552
1 changed files with 7 additions and 14 deletions
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21
drivers/staging/iio/adc/mxs-lradc.c
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@ -909,7 +909,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
int i;
/* Allocate the IIO device. */
iio = iio_device_alloc(sizeof(*lradc));
iio = devm_iio_device_alloc(dev, sizeof(*lradc));
if (!iio) {
dev_err(dev, "Failed to allocate IIO device\n");
return -ENOMEM;
@ -921,10 +921,8 @@ static int mxs_lradc_probe(struct platform_device *pdev)
iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
lradc->dev = &pdev->dev;
lradc->base = devm_ioremap_resource(dev, iores);
if (IS_ERR(lradc->base)) {
ret = PTR_ERR(lradc->base);
goto err_addr;
}
if (IS_ERR(lradc->base))
return PTR_ERR(lradc->base);
INIT_WORK(&lradc->ts_work, mxs_lradc_ts_work);
@ -944,16 +942,14 @@ static int mxs_lradc_probe(struct platform_device *pdev)
/* Grab all IRQ sources */
for (i = 0; i < of_cfg->irq_count; i++) {
lradc->irq[i] = platform_get_irq(pdev, i);
if (lradc->irq[i] < 0) {
ret = -EINVAL;
goto err_addr;
}
if (lradc->irq[i] < 0)
return -EINVAL;
ret = devm_request_irq(dev, lradc->irq[i],
mxs_lradc_handle_irq, 0,
of_cfg->irq_name[i], iio);
if (ret)
goto err_addr;
return ret;
}
platform_set_drvdata(pdev, iio);
@ -973,7 +969,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
&mxs_lradc_trigger_handler,
&mxs_lradc_buffer_ops);
if (ret)
goto err_addr;
return ret;
ret = mxs_lradc_trigger_init(iio);
if (ret)
@ -1004,8 +1000,6 @@ static int mxs_lradc_probe(struct platform_device *pdev)
mxs_lradc_trigger_remove(iio);
err_trig:
iio_triggered_buffer_cleanup(iio);
err_addr:
iio_device_free(iio);
return ret;
}
@ -1021,7 +1015,6 @@ static int mxs_lradc_remove(struct platform_device *pdev)
iio_device_unregister(iio);
iio_triggered_buffer_cleanup(iio);
mxs_lradc_trigger_remove(iio);
iio_device_free(iio);
return 0;
}