diff options
Diffstat (limited to 'drivers/mfd/mc13xxx-i2c.c')
| -rw-r--r-- | drivers/mfd/mc13xxx-i2c.c | 41 |
1 files changed, 9 insertions, 32 deletions
diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c index f745e27ee874..6bc0e755ba34 100644 --- a/drivers/mfd/mc13xxx-i2c.c +++ b/drivers/mfd/mc13xxx-i2c.c @@ -1,21 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2009-2010 Creative Product Design * Marc Reilly marc@cpdesign.com.au - * - * This program is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License version 2 as published by the - * Free Software Foundation. */ #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/mutex.h> #include <linux/mfd/core.h> #include <linux/mfd/mc13xxx.h> #include <linux/of.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> #include <linux/i2c.h> #include <linux/err.h> @@ -47,7 +42,7 @@ static const struct of_device_id mc13xxx_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, mc13xxx_dt_ids); -static struct regmap_config mc13xxx_regmap_i2c_config = { +static const struct regmap_config mc13xxx_regmap_i2c_config = { .reg_bits = 8, .val_bits = 24, @@ -56,11 +51,9 @@ static struct regmap_config mc13xxx_regmap_i2c_config = { .cache_type = REGCACHE_NONE, }; -static int mc13xxx_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int mc13xxx_i2c_probe(struct i2c_client *client) { struct mc13xxx *mc13xxx; - struct mc13xxx_platform_data *pdata = dev_get_platdata(&client->dev); int ret; mc13xxx = devm_kzalloc(&client->dev, sizeof(*mc13xxx), GFP_KERNEL); @@ -69,45 +62,29 @@ static int mc13xxx_i2c_probe(struct i2c_client *client, dev_set_drvdata(&client->dev, mc13xxx); - mc13xxx->dev = &client->dev; - mutex_init(&mc13xxx->lock); + mc13xxx->irq = client->irq; mc13xxx->regmap = devm_regmap_init_i2c(client, &mc13xxx_regmap_i2c_config); if (IS_ERR(mc13xxx->regmap)) { ret = PTR_ERR(mc13xxx->regmap); - dev_err(mc13xxx->dev, "Failed to initialize register map: %d\n", - ret); - dev_set_drvdata(&client->dev, NULL); + dev_err(&client->dev, "Failed to initialize regmap: %d\n", ret); return ret; } - if (client->dev.of_node) { - const struct of_device_id *of_id = - of_match_device(mc13xxx_dt_ids, &client->dev); - mc13xxx->variant = of_id->data; - } else { - mc13xxx->variant = (void *)id->driver_data; - } - - ret = mc13xxx_common_init(mc13xxx, pdata, client->irq); + mc13xxx->variant = i2c_get_match_data(client); - return ret; + return mc13xxx_common_init(&client->dev); } -static int mc13xxx_i2c_remove(struct i2c_client *client) +static void mc13xxx_i2c_remove(struct i2c_client *client) { - struct mc13xxx *mc13xxx = dev_get_drvdata(&client->dev); - - mc13xxx_common_cleanup(mc13xxx); - - return 0; + mc13xxx_common_exit(&client->dev); } static struct i2c_driver mc13xxx_i2c_driver = { .id_table = mc13xxx_i2c_device_id, .driver = { - .owner = THIS_MODULE, .name = "mc13xxx", .of_match_table = mc13xxx_dt_ids, }, |