Revert "iio: adc: palmas: add dt support for autoconversion"

This reverts commit cc243afc6ecf4b49d2193605c37c6cc61aff6ae9.

Change-Id: I63e08fdbe94c9061e6addfc42b5ffaab5f9a6b0d
Signed-off-by: Alex Van Brunt <avanbrunt@nvidia.com>
Reviewed-on: http://git-master/r/392611
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sridhar Lavu <slavu@nvidia.com>
Tested-by: Sridhar Lavu <slavu@nvidia.com>

1 files changed, 0 insertions, 54 deletions

diff --git a/drivers/staging/iio/adc/palmas_gpadc.c b/drivers/staging/iio/adc/palmas_gpadc.c
index 85181a913fe0..64bafc077a01 100644
--- a/drivers/staging/iio/adc/palmas_gpadc.c
+++ b/drivers/staging/iio/adc/palmas_gpadc.c
@@ -883,45 +883,6 @@ static const struct iio_chan_spec palmas_gpadc_iio_channel[] = {
 	PALMAS_ADC_CHAN_IIO(IN15),
 };
 
-static int palmas_gpadc_get_autoconv_prop(struct device *dev,
-		struct device_node *np, const char *node_name,
-		struct palmas_adc_auto_conv_property **conv_prop)
-{
-	struct device_node *conv_node;
-	struct palmas_adc_auto_conv_property *cprop;
-	int ret;
-	u32 pval;
-	s32 thres;
-
-	conv_node = of_get_child_by_name(np, node_name);
-	if (!conv_node)
-		return -EINVAL;
-
-	cprop = devm_kzalloc(dev, sizeof(*cprop), GFP_KERNEL);
-	if (!cprop)
-		return -ENOMEM;
-
-	ret = of_property_read_u32(conv_node, "ti,adc-channel-number", &pval);
-	if (ret < 0) {
-		dev_err(dev, "Autoconversion channel is missing\n");
-		return ret;
-	}
-	cprop->adc_channel_number = pval;
-
-	ret = of_property_read_s32(conv_node, "ti,adc-high-threshold", &thres);
-	if (!ret)
-		cprop->adc_high_threshold = thres;
-
-	ret = of_property_read_s32(conv_node, "ti,adc-low-threshold", &thres);
-	if (!ret)
-		cprop->adc_low_threshold = thres;
-
-	cprop->adc_shutdown = of_property_read_bool(conv_node,
-			"ti,enable-shutdown");
-	*conv_prop = cprop;
-	return 0;
-}
-
 static int palmas_gpadc_get_adc_dt_data(struct platform_device *pdev,
 	struct palmas_gpadc_platform_data **gpadc_pdata)
 {
@@ -930,7 +891,6 @@ static int palmas_gpadc_get_adc_dt_data(struct platform_device *pdev,
 	struct device_node *map_node;
 	struct device_node *child;
 	struct iio_map *palmas_iio_map;
-	struct palmas_adc_auto_conv_property *conv_prop;
 	int ret;
 	u32 pval;
 	int nmap, nvalid_map;
@@ -953,20 +913,6 @@ static int palmas_gpadc_get_adc_dt_data(struct platform_device *pdev,
 	gp_data->extended_delay = of_property_read_bool(np,
 					"ti,enable-extended-delay");
 
-	ret = of_property_read_u32(np, "ti,auto-conversion-period-ms", &pval);
-	if (!ret)
-		gp_data->auto_conversion_period_ms = pval;
-
-	ret = palmas_gpadc_get_autoconv_prop(&pdev->dev, np, "auto_conv0",
-				&conv_prop);
-	if (!ret)
-		gp_data->adc_auto_conv0_data = conv_prop;
-
-	ret = palmas_gpadc_get_autoconv_prop(&pdev->dev, np, "auto_conv1",
-				&conv_prop);
-	if (!ret)
-		gp_data->adc_auto_conv1_data = conv_prop;
-
 	map_node = of_get_child_by_name(np, "iio_map");
 	if (!map_node) {
 		dev_warn(&pdev->dev, "IIO map table not found\n");