mfd: ti_am335x_tscadc: remove platform_data support

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

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index 292d34e..e78b9df 100644 (file)
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -26,8 +26,6 @@
 #include <linux/of_device.h>
 
 #include <linux/mfd/ti_am335x_tscadc.h>
-#include <linux/input/ti_am335x_tsc.h>
-#include <linux/platform_data/ti_am335x_adc.h>
 
 static unsigned int tscadc_readl(struct ti_tscadc_dev *tsadc, unsigned int reg)
 {
@@ -91,31 +89,22 @@ static      int ti_tscadc_probe(struct platform_device *pdev)
        struct ti_tscadc_dev    *tscadc;
        struct resource         *res;
        struct clk              *clk;
-       struct mfd_tscadc_board *pdata = pdev->dev.platform_data;
        struct device_node      *node = pdev->dev.of_node;
        struct mfd_cell         *cell;
        int                     err, ctrl;
        int                     clk_value, clock_rate;
        int                     tsc_wires = 0, adc_channels = 0, total_channels;
 
-       if (!pdata && !pdev->dev.of_node) {
-               dev_err(&pdev->dev, "Could not find platform data\n");
+       if (!pdev->dev.of_node) {
+               dev_err(&pdev->dev, "Could not find valid DT data.\n");
                return -EINVAL;
        }
 
-       if (pdev->dev.platform_data) {
-               if (pdata->tsc_init)
-                       tsc_wires = pdata->tsc_init->wires;
+       node = of_get_child_by_name(pdev->dev.of_node, "tsc");
+       of_property_read_u32(node, "ti,wires", &tsc_wires);
 
-               if (pdata->adc_init)
-                       adc_channels = pdata->adc_init->adc_channels;
-       } else {
-               node = of_get_child_by_name(pdev->dev.of_node, "tsc");
-               of_property_read_u32(node, "ti,wires", &tsc_wires);
-
-               node = of_get_child_by_name(pdev->dev.of_node, "adc");
-               of_property_read_u32(node, "ti,adc-channels", &adc_channels);
-       }
+       node = of_get_child_by_name(pdev->dev.of_node, "adc");
+       of_property_read_u32(node, "ti,adc-channels", &adc_channels);
 
        total_channels = tsc_wires + adc_channels;