[5/7] iio/ti_am335x_adc: remove platform_data support

Commit Message

Sebastian Andrzej Siewior May 22, 2013, 9:08 p.m. UTC

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

Signed-off-by: Sebastian Andrzej Siewior <[e-mail]>
---
 drivers/iio/adc/ti_am335x_adc.c |   26 ++++++++++----------------
 1 file changed, 10 insertions(+), 16 deletions(-)

Patch

diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index ac78672..1baf5b4 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -29,7 +29,6 @@ 
 
 #include <linux/io.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;
@@ -188,13 +187,12 @@  static int tiadc_probe(struct platform_device *pdev)
 	struct iio_dev		*indio_dev;
 	struct tiadc_device	*adc_dev;
 	struct ti_tscadc_dev	*tscadc_dev = pdev->dev.platform_data;
-	struct mfd_tscadc_board	*pdata = tscadc_dev->dev->platform_data;
 	struct device_node	*node = tscadc_dev->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;
 	}
 
@@ -208,18 +206,14 @@  static int tiadc_probe(struct platform_device *pdev)
 
 	adc_dev->mfd_tscadc = tscadc_dev;
 
-	if (pdata)
-		adc_dev->channels = pdata->adc_init->adc_channels;
-	else {
-		node = of_get_child_by_name(node, "adc");
-		if (!node)
-			return  -EINVAL;
-		err = of_property_read_u32(node,
-				"ti,adc-channels", &val32);
-		if (err < 0)
-			goto err_free_device;
-		adc_dev->channels = val32;
-	}
+	node = of_get_child_by_name(node, "adc");
+	if (!node)
+		return  -EINVAL;
+	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);