Commit 1dfdf452 authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Jonathan Cameron
Browse files

iio: adc: exynos_adc: Drop platform data support 



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: default avatarAndy Shevchenko <andy@kernel.org>
Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250830-s3c-cleanup-adc-v2-3-4f8299343d32@linaro.org


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 1ef28bcc

drivers/iio/adc/exynos_adc.c

+1 −10
Original line number Diff line number Diff line
@@ -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;
@@ -655,11 +651,6 @@ 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");

include/linux/platform_data/touchscreen-s3c2410.h

deleted100644 → 0
+0 −22
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>

*/



#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 */