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| author | Dapeng Mi <dapeng1.mi@linux.intel.com> | 2026-09-17 09:52:33 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2026-09-22 11:37:46 +0200 |
| commit | 0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch) | |
| tree | 531306c2299f9a269f0a986e29f17ba972180104 /drivers/hwmon/adt7410.c | |
| download | linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip | |
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy
Offcore Response events, but it still exposes the inherited
offcore_rsp PMU attribute for programming the corresponding MSR data.
Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface
matches the underlying event name and avoids user & tooling confusion.
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'drivers/hwmon/adt7410.c')
| -rw-r--r-- | drivers/hwmon/adt7410.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/hwmon/adt7410.c b/drivers/hwmon/adt7410.c new file mode 100644 index 000000000..6629b83aa --- /dev/null +++ b/drivers/hwmon/adt7410.c @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * ADT7410/ADT7420 digital temperature sensor driver + * + * Copyright 2012-2013 Analog Devices Inc. + * Author: Lars-Peter Clausen <lars@metafoo.de> + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/regmap.h> + +#include "adt7x10.h" + +static bool adt7410_regmap_is_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case ADT7X10_TEMPERATURE: + case ADT7X10_STATUS: + return true; + default: + return false; + } +} + +static int adt7410_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + struct i2c_client *client = context; + int regval; + + switch (reg) { + case ADT7X10_TEMPERATURE: + case ADT7X10_T_ALARM_HIGH: + case ADT7X10_T_ALARM_LOW: + case ADT7X10_T_CRIT: + regval = i2c_smbus_read_word_swapped(client, reg); + break; + default: + regval = i2c_smbus_read_byte_data(client, reg); + break; + } + if (regval < 0) + return regval; + *val = regval; + return 0; +} + +static int adt7410_reg_write(void *context, unsigned int reg, unsigned int val) +{ + struct i2c_client *client = context; + int ret; + + switch (reg) { + case ADT7X10_TEMPERATURE: + case ADT7X10_T_ALARM_HIGH: + case ADT7X10_T_ALARM_LOW: + case ADT7X10_T_CRIT: + ret = i2c_smbus_write_word_swapped(client, reg, val); + break; + default: + ret = i2c_smbus_write_byte_data(client, reg, val); + break; + } + return ret; +} + +static const struct regmap_config adt7410_regmap_config = { + .reg_bits = 8, + .val_bits = 16, + .max_register = ADT7X10_ID, + .cache_type = REGCACHE_MAPLE, + .volatile_reg = adt7410_regmap_is_volatile, + .reg_read = adt7410_reg_read, + .reg_write = adt7410_reg_write, +}; + +static int adt7410_i2c_probe(struct i2c_client *client) +{ + struct regmap *regmap; + + regmap = devm_regmap_init(&client->dev, NULL, client, + &adt7410_regmap_config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return adt7x10_probe(&client->dev, client->name, client->irq, regmap); +} + +static const struct i2c_device_id adt7410_ids[] = { + { .name = "adt7410" }, + { .name = "adt7420" }, + { .name = "adt7422" }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adt7410_ids); + +static const struct of_device_id adt7410_of_match[] = { + { .compatible = "adi,adt7410" }, + { .compatible = "adi,adt7420" }, + { .compatible = "adi,adt7422" }, + { } +}; +MODULE_DEVICE_TABLE(of, adt7410_of_match); + +static struct i2c_driver adt7410_driver = { + .driver = { + .name = "adt7410", + .pm = pm_sleep_ptr(&adt7x10_dev_pm_ops), + .of_match_table = adt7410_of_match, + }, + .probe = adt7410_i2c_probe, + .id_table = adt7410_ids, +}; +module_i2c_driver(adt7410_driver); + +MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); +MODULE_DESCRIPTION("ADT7410/AD7420 driver"); +MODULE_LICENSE("GPL"); |
