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ed5c2f5fd1
The value returned by an i2c driver's remove function is mostly ignored. (Only an error message is printed if the value is non-zero that the error is ignored.) So change the prototype of the remove function to return no value. This way driver authors are not tempted to assume that passing an error to the upper layer is a good idea. All drivers are adapted accordingly. There is no intended change of behaviour, all callbacks were prepared to return 0 before. Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Crt Mori <cmo@melexis.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013 Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/* Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5 Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860 Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power Acked-by: Krzysztof Hałasa <khalasa@piap.pl> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
107 lines
2.8 KiB
C
107 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 void hmc5843_i2c_remove(struct i2c_client *client)
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{
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hmc5843_common_remove(&client->dev);
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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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MODULE_IMPORT_NS(IIO_HMC5843);
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