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iio: adc: ti_am335x_adc: refactor DT parsing into a function

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Refactor DT parsing into a separate function from probe() to
help addition of more DT parameters later.

No functional changes.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Vignesh R 2015-03-31 16:42:36 +05:30 committed by Jonathan Cameron
parent d02e0f8f62
commit dee1f55057
1 changed files with 19 additions and 10 deletions
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29
drivers/iio/adc/ti_am335x_adc.c
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@ -395,16 +395,30 @@ static const struct iio_info tiadc_info = {
.driver_module = THIS_MODULE,
};
static int tiadc_parse_dt(struct platform_device *pdev,
struct tiadc_device *adc_dev)
{
struct device_node *node = pdev->dev.of_node;
struct property *prop;
const __be32 *cur;
int channels = 0;
u32 val;
of_property_for_each_u32(node, "ti,adc-channels", prop, cur, val) {
adc_dev->channel_line[channels] = val;
channels++;
}
adc_dev->channels = channels;
return 0;
}
static int tiadc_probe(struct platform_device *pdev)
{
struct iio_dev *indio_dev;
struct tiadc_device *adc_dev;
struct device_node *node = pdev->dev.of_node;
struct property *prop;
const __be32 *cur;
int err;
u32 val;
int channels = 0;
if (!node) {
dev_err(&pdev->dev, "Could not find valid DT data.\n");
@ -420,12 +434,7 @@ static int tiadc_probe(struct platform_device *pdev)
adc_dev = iio_priv(indio_dev);
adc_dev->mfd_tscadc = ti_tscadc_dev_get(pdev);
of_property_for_each_u32(node, "ti,adc-channels", prop, cur, val) {
adc_dev->channel_line[channels] = val;
channels++;
}
adc_dev->channels = channels;
tiadc_parse_dt(pdev, adc_dev);
indio_dev->dev.parent = &pdev->dev;
indio_dev->name = dev_name(&pdev->dev);