linux-kernel - [PATCH v2 4/7] pps: clients: gpio: Get rid of legacy platform data

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Date:   Thu, 18 Mar 2021 15:03:18 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Rodolfo Giometti <giometti@...eenne.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Cc:     Ryan Govostes <rgovostes@...i.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v2 4/7] pps: clients: gpio: Get rid of legacy platform data

Platform data is a legacy interface to supply device properties
to the driver. In this case we even don't have in-kernel users
for it. Just remove it for good.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Acked-by: Rodolfo Giometti <giometti@...eenne.com>
---
 drivers/pps/clients/pps-gpio.c | 17 +++--------------
 include/linux/pps-gpio.h       | 19 -------------------
 2 files changed, 3 insertions(+), 33 deletions(-)
 delete mode 100644 include/linux/pps-gpio.h

diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c
index dc9ed6fc3dae..291240dce79e 100644
--- a/drivers/pps/clients/pps-gpio.c
+++ b/drivers/pps/clients/pps-gpio.c
@@ -16,7 +16,6 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/pps_kernel.h>
-#include <linux/pps-gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/list.h>
 #include <linux/of_device.h>
@@ -164,7 +163,6 @@ static int pps_gpio_probe(struct platform_device *pdev)
 	struct pps_gpio_device_data *data;
 	int ret;
 	int pps_default_params;
-	const struct pps_gpio_platform_data *pdata = pdev->dev.platform_data;
 
 	/* allocate space for device info */
 	data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
@@ -173,18 +171,9 @@ static int pps_gpio_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, data);
 
 	/* GPIO setup */
-	if (pdata) {
-		data->gpio_pin = pdata->gpio_pin;
-		data->echo_pin = pdata->echo_pin;
-
-		data->assert_falling_edge = pdata->assert_falling_edge;
-		data->capture_clear = pdata->capture_clear;
-		data->echo_active_ms = pdata->echo_active_ms;
-	} else {
-		ret = pps_gpio_setup(pdev);
-		if (ret)
-			return -EINVAL;
-	}
+	ret = pps_gpio_setup(pdev);
+	if (ret)
+		return -EINVAL;
 
 	/* IRQ setup */
 	ret = gpiod_to_irq(data->gpio_pin);
diff --git a/include/linux/pps-gpio.h b/include/linux/pps-gpio.h
deleted file mode 100644
index 7bf49908be06..000000000000
--- a/include/linux/pps-gpio.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * pps-gpio.h -- PPS client for GPIOs
- *
- * Copyright (C) 2011 James Nuss <jamesnuss@...ometrics.ca>
- */
-
-#ifndef _PPS_GPIO_H
-#define _PPS_GPIO_H
-
-struct pps_gpio_platform_data {
-	struct gpio_desc *gpio_pin;
-	struct gpio_desc *echo_pin;
-	bool assert_falling_edge;
-	bool capture_clear;
-	unsigned int echo_active_ms;
-};
-
-#endif /* _PPS_GPIO_H */
-- 
2.30.2