diff options
Diffstat (limited to 'drivers/mfd/wm831x-i2c.c')
| -rw-r--r-- | drivers/mfd/wm831x-i2c.c | 45 |
1 files changed, 8 insertions, 37 deletions
diff --git a/drivers/mfd/wm831x-i2c.c b/drivers/mfd/wm831x-i2c.c index 22f7054d1b28..9bee007f9c99 100644 --- a/drivers/mfd/wm831x-i2c.c +++ b/drivers/mfd/wm831x-i2c.c @@ -1,49 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * wm831x-i2c.c -- I2C access for Wolfson WM831x PMICs * * Copyright 2009,2010 Wolfson Microelectronics PLC. * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/init.h> #include <linux/i2c.h> #include <linux/delay.h> #include <linux/mfd/core.h> #include <linux/slab.h> #include <linux/err.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/regmap.h> #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/pdata.h> -static int wm831x_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static int wm831x_i2c_probe(struct i2c_client *i2c) { struct wm831x_pdata *pdata = dev_get_platdata(&i2c->dev); - const struct of_device_id *of_id; struct wm831x *wm831x; enum wm831x_parent type; int ret; - if (i2c->dev.of_node) { - of_id = of_match_device(wm831x_of_match, &i2c->dev); - if (!of_id) { - dev_err(&i2c->dev, "Failed to match device\n"); - return -ENODEV; - } - type = (enum wm831x_parent)of_id->data; - } else { - type = (enum wm831x_parent)id->driver_data; + type = (uintptr_t)i2c_get_match_data(i2c); + if (!type) { + dev_err(&i2c->dev, "Failed to match device\n"); + return -ENODEV; } wm831x = devm_kzalloc(&i2c->dev, sizeof(struct wm831x), GFP_KERNEL); @@ -68,15 +55,6 @@ static int wm831x_i2c_probe(struct i2c_client *i2c, return wm831x_device_init(wm831x, i2c->irq); } -static int wm831x_i2c_remove(struct i2c_client *i2c) -{ - struct wm831x *wm831x = i2c_get_clientdata(i2c); - - wm831x_device_exit(wm831x); - - return 0; -} - static int wm831x_i2c_suspend(struct device *dev) { struct wm831x *wm831x = dev_get_drvdata(dev); @@ -103,7 +81,6 @@ static const struct i2c_device_id wm831x_i2c_id[] = { { "wm8326", WM8326 }, { } }; -MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id); static const struct dev_pm_ops wm831x_pm_ops = { .suspend = wm831x_i2c_suspend, @@ -115,9 +92,9 @@ static struct i2c_driver wm831x_i2c_driver = { .name = "wm831x", .pm = &wm831x_pm_ops, .of_match_table = of_match_ptr(wm831x_of_match), + .suppress_bind_attrs = true, }, .probe = wm831x_i2c_probe, - .remove = wm831x_i2c_remove, .id_table = wm831x_i2c_id, }; @@ -132,9 +109,3 @@ static int __init wm831x_i2c_init(void) return ret; } subsys_initcall(wm831x_i2c_init); - -static void __exit wm831x_i2c_exit(void) -{ - i2c_del_driver(&wm831x_i2c_driver); -} -module_exit(wm831x_i2c_exit); |