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iio: ti_am335x_adc: remove platform_data support 

This patch removes access to platform data mfd_tscadc_board because the
platform is DT only.

Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
This commit is contained in:
Sebastian Andrzej Siewior 2013-05-21 17:49:22 +02:00
parent 6f39ac4e20
commit 0ead4fb22a
1 changed files with 7 additions and 14 deletions
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21
drivers/iio/adc/ti_am335x_adc.c
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@ -26,7 +26,6 @@
#include <linux/of_device.h>
#include <linux/mfd/ti_am335x_tscadc.h>
#include <linux/platform_data/ti_am335x_adc.h>
struct tiadc_device {
struct ti_tscadc_dev *mfd_tscadc;
@ -153,14 +152,12 @@ static int tiadc_probe(struct platform_device *pdev)
{
struct iio_dev *indio_dev;
struct tiadc_device *adc_dev;
struct ti_tscadc_dev *tscadc_dev = ti_tscadc_dev_get(pdev);
struct mfd_tscadc_board *pdata = tscadc_dev->dev->platform_data;
struct device_node *node = pdev->dev.of_node;
int err;
u32 val32;
if (!pdata && !node) {
dev_err(&pdev->dev, "Could not find platform data\n");
if (!node) {
dev_err(&pdev->dev, "Could not find valid DT data.\n");
return -EINVAL;
}
@ -174,15 +171,11 @@ static int tiadc_probe(struct platform_device *pdev)
adc_dev->mfd_tscadc = ti_tscadc_dev_get(pdev);
if (pdata)
adc_dev->channels = pdata->adc_init->adc_channels;
else {
err = of_property_read_u32(node,
"ti,adc-channels", &val32);
if (err < 0)
goto err_free_device;
adc_dev->channels = val32;
}
err = of_property_read_u32(node,
"ti,adc-channels", &val32);
if (err < 0)
goto err_free_device;
adc_dev->channels = val32;
indio_dev->dev.parent = &pdev->dev;
indio_dev->name = dev_name(&pdev->dev);