forked from Minki/linux
4b6fb9f3e9
Up to now hmc5843_common_remove() returns zero unconditionally. Make it return void instead which makes it easier to see in the callers that there is no error to handle. Also the return value of i2c and spi remove callbacks is ignored anyway. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20211013203223.2694577-14-u.kleine-koenig@pengutronix.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* i2c driver for hmc5843/5843/5883/5883l/5983
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*
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* Split from hmc5843.c
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* Copyright (C) Josef Gajdusek <atx@atx.name>
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*/
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <linux/iio/iio.h>
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#include <linux/iio/triggered_buffer.h>
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#include "hmc5843.h"
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static const struct regmap_range hmc5843_readable_ranges[] = {
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regmap_reg_range(0, HMC5843_ID_END),
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};
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static const struct regmap_access_table hmc5843_readable_table = {
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.yes_ranges = hmc5843_readable_ranges,
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.n_yes_ranges = ARRAY_SIZE(hmc5843_readable_ranges),
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};
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static const struct regmap_range hmc5843_writable_ranges[] = {
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regmap_reg_range(0, HMC5843_MODE_REG),
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};
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static const struct regmap_access_table hmc5843_writable_table = {
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.yes_ranges = hmc5843_writable_ranges,
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.n_yes_ranges = ARRAY_SIZE(hmc5843_writable_ranges),
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};
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static const struct regmap_range hmc5843_volatile_ranges[] = {
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regmap_reg_range(HMC5843_DATA_OUT_MSB_REGS, HMC5843_STATUS_REG),
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};
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static const struct regmap_access_table hmc5843_volatile_table = {
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.yes_ranges = hmc5843_volatile_ranges,
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.n_yes_ranges = ARRAY_SIZE(hmc5843_volatile_ranges),
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};
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static const struct regmap_config hmc5843_i2c_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.rd_table = &hmc5843_readable_table,
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.wr_table = &hmc5843_writable_table,
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.volatile_table = &hmc5843_volatile_table,
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.cache_type = REGCACHE_RBTREE,
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};
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static int hmc5843_i2c_probe(struct i2c_client *cli,
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const struct i2c_device_id *id)
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{
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struct regmap *regmap = devm_regmap_init_i2c(cli,
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&hmc5843_i2c_regmap_config);
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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return hmc5843_common_probe(&cli->dev,
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regmap,
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id->driver_data, id->name);
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}
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static int hmc5843_i2c_remove(struct i2c_client *client)
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{
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hmc5843_common_remove(&client->dev);
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return 0;
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}
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static const struct i2c_device_id hmc5843_id[] = {
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{ "hmc5843", HMC5843_ID },
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{ "hmc5883", HMC5883_ID },
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{ "hmc5883l", HMC5883L_ID },
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{ "hmc5983", HMC5983_ID },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, hmc5843_id);
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static const struct of_device_id hmc5843_of_match[] = {
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{ .compatible = "honeywell,hmc5843", .data = (void *)HMC5843_ID },
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{ .compatible = "honeywell,hmc5883", .data = (void *)HMC5883_ID },
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{ .compatible = "honeywell,hmc5883l", .data = (void *)HMC5883L_ID },
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{ .compatible = "honeywell,hmc5983", .data = (void *)HMC5983_ID },
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{}
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};
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MODULE_DEVICE_TABLE(of, hmc5843_of_match);
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static struct i2c_driver hmc5843_driver = {
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.driver = {
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.name = "hmc5843",
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.pm = HMC5843_PM_OPS,
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.of_match_table = hmc5843_of_match,
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},
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.id_table = hmc5843_id,
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.probe = hmc5843_i2c_probe,
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.remove = hmc5843_i2c_remove,
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};
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module_i2c_driver(hmc5843_driver);
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MODULE_AUTHOR("Josef Gajdusek <atx@atx.name>");
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MODULE_DESCRIPTION("HMC5843/5883/5883L/5983 i2c driver");
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MODULE_LICENSE("GPL");
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