Input: rb532_button - switch to using polled mode of input devices

We have added polled mode to the normal input devices with the intent of
retiring input_polled_dev. This converts rb532_button driver to use
the polling mode of standard input devices and removes dependency on
INPUT_POLLDEV.

Link: https://lore.kernel.org/r/20191017204217.106453-17-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index c27a9ee..102e993 100644 (file)
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -633,7 +633,6 @@ config INPUT_RB532_BUTTON
        tristate "Mikrotik Routerboard 532 button interface"
        depends on MIKROTIK_RB532
        depends on GPIOLIB
-       select INPUT_POLLDEV
        help
          Say Y here if you want support for the S1 button built into
          Mikrotik's Routerboard 532.

diff --git a/drivers/input/misc/rb532_button.c b/drivers/input/misc/rb532_button.c
index 3c43024..190a80e 100644 (file)
--- a/drivers/input/misc/rb532_button.c
+++ b/drivers/input/misc/rb532_button.c
@@ -5,7 +5,7 @@
  * Copyright (C) 2009  Phil Sutter <n0-1@freewrt.org>
  */
 
-#include <linux/input-polldev.h>
+#include <linux/input.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
@@ -46,32 +46,34 @@ static bool rb532_button_pressed(void)
        return !val;
 }
 
-static void rb532_button_poll(struct input_polled_dev *poll_dev)
+static void rb532_button_poll(struct input_dev *input)
 {
-       input_report_key(poll_dev->input, RB532_BTN_KSYM,
-                        rb532_button_pressed());
-       input_sync(poll_dev->input);
+       input_report_key(input, RB532_BTN_KSYM, rb532_button_pressed());
+       input_sync(input);
 }
 
 static int rb532_button_probe(struct platform_device *pdev)
 {
-       struct input_polled_dev *poll_dev;
+       struct input_dev *input;
        int error;
 
-       poll_dev = devm_input_allocate_polled_device(&pdev->dev);
-       if (!poll_dev)
+       input = devm_input_allocate_device(&pdev->dev);
+       if (!input)
                return -ENOMEM;
 
-       poll_dev->poll = rb532_button_poll;
-       poll_dev->poll_interval = RB532_BTN_RATE;
+       input->name = "rb532 button";
+       input->phys = "rb532/button0";
+       input->id.bustype = BUS_HOST;
 
-       poll_dev->input->name = "rb532 button";
-       poll_dev->input->phys = "rb532/button0";
-       poll_dev->input->id.bustype = BUS_HOST;
+       input_set_capability(input, EV_KEY, RB532_BTN_KSYM);
 
-       input_set_capability(poll_dev->input, EV_KEY, RB532_BTN_KSYM);
+       error = input_setup_polling(input, rb532_button_poll);
+       if (error)
+               return error;
+
+       input_set_poll_interval(input, RB532_BTN_RATE);
 
-       error = input_register_polled_device(poll_dev);
+       error = input_register_device(input);
        if (error)
                return error;