There are no Samsung Exynos SoC ADC driver users which bind via platform
ID, thus platform data is never set and can be dropped.
Reviewed-by: Andy Shevchenko <andy@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
Changes in v2:
1. Drop touchscreen-s3c2410.h
---
drivers/iio/adc/exynos_adc.c | 11 +----------
include/linux/platform_data/touchscreen-s3c2410.h | 22 ----------------------
2 files changed, 1 insertion(+), 32 deletions(-)
diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
index 30f6d8436e775a8d2177951b436cd45152307ea2..d21a9f3621d96c8051f2062aa6a069e8c29faf9b 100644
--- a/drivers/iio/adc/exynos_adc.c
+++ b/drivers/iio/adc/exynos_adc.c
@@ -29,8 +29,6 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
-#include <linux/platform_data/touchscreen-s3c2410.h>
-
/* S3C/EXYNOS4412/5250 ADC_V1 registers definitions */
#define ADC_V1_CON(x) ((x) + 0x00)
#define ADC_V1_DLY(x) ((x) + 0x08)
@@ -106,7 +104,6 @@ struct exynos_adc {
struct clk *clk;
struct clk *sclk;
unsigned int irq;
- unsigned int delay;
struct regulator *vdd;
struct completion completion;
@@ -213,7 +210,7 @@ static void exynos_adc_v1_init_hw(struct exynos_adc *info)
writel(con1, ADC_V1_CON(info->regs));
/* set touchscreen delay */
- writel(info->delay, ADC_V1_DLY(info->regs));
+ writel(10000, ADC_V1_DLY(info->regs));
}
static void exynos_adc_v1_exit_hw(struct exynos_adc *info)
@@ -556,7 +553,6 @@ static int exynos_adc_probe(struct platform_device *pdev)
{
struct exynos_adc *info = NULL;
struct device_node *np = pdev->dev.of_node;
- struct s3c2410_ts_mach_info *pdata = dev_get_platdata(&pdev->dev);
struct iio_dev *indio_dev = NULL;
int ret;
int irq;
@@ -657,11 +653,6 @@ static int exynos_adc_probe(struct platform_device *pdev)
if (info->data->init_hw)
info->data->init_hw(info);
- if (pdata)
- info->delay = pdata->delay;
- else
- info->delay = 10000;
-
ret = of_platform_populate(np, exynos_adc_match, NULL, &indio_dev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "failed adding child nodes\n");
diff --git a/include/linux/platform_data/touchscreen-s3c2410.h b/include/linux/platform_data/touchscreen-s3c2410.h
deleted file mode 100644
index bf8d3b9d7c6a98fc2392786df2c0cdf128047645..0000000000000000000000000000000000000000
--- a/include/linux/platform_data/touchscreen-s3c2410.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2005 Arnaud Patard <arnaud.patard@xxxxxxxxxxx>
-*/
-
-#ifndef __TOUCHSCREEN_S3C2410_H
-#define __TOUCHSCREEN_S3C2410_H
-
-struct s3c2410_ts_mach_info {
- int delay;
- int presc;
- int oversampling_shift;
- void (*cfg_gpio)(struct platform_device *dev);
-};
-
-extern void s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *);
-extern void s3c64xx_ts_set_platdata(struct s3c2410_ts_mach_info *);
-
-/* defined by architecture to configure gpio */
-extern void s3c24xx_ts_cfg_gpio(struct platform_device *dev);
-
-#endif /*__TOUCHSCREEN_S3C2410_H */
--
2.48.1
