devm_release_region()
devm_release_resource()
devm_request_mem_region()
+ devm_request_free_mem_region()
devm_request_region()
devm_request_resource()
devm_irq_alloc_descs_from()
devm_irq_alloc_generic_chip()
devm_irq_setup_generic_chip()
- devm_irq_sim_init()
+ devm_irq_domain_create_sim()
LED
devm_led_classdev_register()
PINCTRL
devm_pinctrl_get()
devm_pinctrl_put()
+ devm_pinctrl_get_select()
devm_pinctrl_register()
+ devm_pinctrl_register_and_init()
devm_pinctrl_unregister()
POWER
PWM
devm_pwm_get()
- devm_of_pwm_get()
devm_fwnode_pwm_get()
REGULATOR
devm_acpi_dma_controller_register()
SPI
+ devm_spi_alloc_master()
+ devm_spi_alloc_slave()
devm_spi_register_master()
WATCHDOG
S: Supported
-W: https://01.org/linux-acpi
Q: https://patchwork.kernel.org/project/linux-acpi/list/
B: https://bugzilla.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
S: Supported
-W: https://01.org/linux-acpi
B: https://bugzilla.kernel.org
F: drivers/acpi/*thermal*
F: include/trace/events/afs.h
AGPGART DRIVER
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm
F: drivers/char/agp/
S: Maintained
F: drivers/net/ethernet/altera/
+ALTERA TSE PCS
+S: Supported
+F: drivers/net/pcs/pcs-altera-tse.c
+F: include/linux/pcs-altera-tse.h
+
ALTERA UART/JTAG UART SERIAL DRIVERS
AMD MP2 I2C DRIVER
S: Maintained
F: drivers/staging/iio/*/ad*
X: drivers/iio/*/adjd*
+ ANALOG DEVICES INC MAX31760 DRIVER
+ S: Maintained
+ W: http://wiki.analog.com/
+ W: https://ez.analog.com/linux-software-drivers
+ F: Documentation/devicetree/bindings/hwmon/adi,max31760.yaml
+ F: Documentation/hwmon/max31760.rst
+ F: drivers/hwmon/max31760.c
+
ANALOGBITS PLL LIBRARIES
S: Supported
N: sun50i
ARM/Amlogic Meson SoC CLOCK FRAMEWORK
S: Maintained
F: sound/soc/meson/
ARM/Amlogic Meson SoC support
ARM/Microchip Sparx5 SoC support
S: Supported
F: arch/arm/mach-orion5x/ts78xx-*
ARM/OXNAS platform support
S: Maintained
ARM/QUALCOMM SUPPORT
-M: Bjorn Andersson <bjorn.andersson@linaro.org>
+M: Bjorn Andersson <andersson@kernel.org>
S: Maintained
S: Maintained
W: http://www.armlinux.org.uk/
-F: arch/arm/include/asm/hardware/entry-macro-iomd.S
F: arch/arm/include/asm/hardware/ioc.h
F: arch/arm/include/asm/hardware/iomd.h
F: arch/arm/include/asm/hardware/memc.h
S: Maintained
F: drivers/hwmon/asus_wmi_sensors.c
- ASUS WMI EC HARDWARE MONITOR DRIVER
- S: Maintained
- F: drivers/hwmon/asus_wmi_ec_sensors.c
-
ASUS EC HARDWARE MONITOR DRIVER
F: kernel/bpf/trampoline.c
F: include/linux/bpf*
F: include/linux/filter.h
+F: include/linux/tnum.h
BPF [BTF]
F: include/linux/blk-cgroup.h
CONTROL GROUP - CPUSET
S: Maintained
F: include/uapi/linux/dccp.h
F: net/dccp/
-DECnet NETWORK LAYER
-S: Orphan
-W: http://linux-decnet.sourceforge.net
-F: Documentation/networking/decnet.rst
-F: net/decnet/
-
DECSTATION PLATFORM SUPPORT
F: drivers/memory/samsung/exynos5422-dmc.c
DME1737 HARDWARE MONITOR DRIVER
- M: Juerg Haefliger <juergh@gmail.com>
+ M: Juerg Haefliger <juergh@proton.me>
S: Maintained
F: Documentation/hwmon/dme1737.rst
F: drivers/gpu/drm/panel/panel-widechips-ws2401.c
DRM DRIVERS
-M: David Airlie <airlied@linux.ie>
+M: David Airlie <airlied@gmail.com>
S: Maintained
F: drivers/gpu/drm/sun4i/
DRM DRIVERS FOR AMLOGIC SOCS
S: Supported
DRM DRIVERS FOR BRIDGE CHIPS
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/execve
-F: arch/alpha/kernel/binfmt_loader.c
F: fs/*binfmt_*.c
F: fs/exec.c
F: include/linux/binfmts.h
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
F: include/linux/fortify-string.h
+F: lib/fortify_kunit.c
F: lib/test_fortify/*
F: scripts/test_fortify.sh
K: \b__NO_FORTIFY\b
GOOGLE ETHERNET DRIVERS
-R: David Awogbemila <awogbemila@google.com>
+R: Shailend Chand <shailend@google.com>
S: Supported
F: Documentation/networking/device_drivers/ethernet/google/gve.rst
HARDWARE SPINLOCK CORE
-M: Bjorn Andersson <bjorn.andersson@linaro.org>
+M: Bjorn Andersson <andersson@kernel.org>
S: Maintained
F: drivers/dma/hisi_dma.c
HISILICON GPIO DRIVER
-M: Luo Jiaxing <luojiaxing@huawei.com>
+M: Jay Fang <f.fangjian@huawei.com>
S: Maintained
F: drivers/gpio/gpio-hisi.c
S: Supported
-W: https://01.org/linux-acpi
F: drivers/thermal/intel/intel_menlow.c
INTEL P-Unit IPC DRIVER
ITE IT66121 HDMI BRIDGE DRIVER
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
F: Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
F: kernel/module/kdb.c
KHADAS MCU MFD DRIVER
S: Maintained
F: Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
MELLANOX BLUEFIELD I2C DRIVER
S: Supported
-F: Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml
F: drivers/i2c/busses/i2c-mlxbf.c
MELLANOX ETHERNET DRIVER (mlx4_en)
F: drivers/watchdog/menz69_wdt.c
MESON AO CEC DRIVER FOR AMLOGIC SOCS
S: Supported
F: drivers/media/cec/platform/meson/ao-cec.c
MESON GE2D DRIVER FOR AMLOGIC SOCS
S: Supported
F: drivers/mtd/nand/raw/meson_*
MESON VIDEO DECODER DRIVER FOR AMLOGIC SOCS
S: Supported
F: drivers/nvmem/microchip-otpc.c
F: include/dt-bindings/nvmem/microchip,sama7g5-otpc.h
+MICROCHIP PCI1XXXX I2C DRIVER
+S: Maintained
+F: drivers/i2c/busses/i2c-mchp-pci1xxxx.c
+
MICROCHIP PWM DRIVER
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/wtarreau/nolibc.git
F: tools/include/nolibc/
+F: tools/testing/selftests/nolibc/
NSDEPS
F: net/dsa/tag_ocelot_8021q.c
F: tools/testing/selftests/drivers/net/ocelot/*
+OCELOT EXTERNAL SWITCH CONTROL
+S: Supported
+F: Documentation/devicetree/bindings/mfd/mscc,ocelot.yaml
+F: drivers/mfd/ocelot*
+F: include/linux/mfd/ocelot.h
+
OCXL (Open Coherent Accelerator Processor Interface OpenCAPI) DRIVER
F: drivers/pinctrl/pinctrl-at91*
PIN CONTROLLER - QUALCOMM
-M: Bjorn Andersson <bjorn.andersson@linaro.org>
+M: Bjorn Andersson <andersson@kernel.org>
S: Maintained
F: Documentation/devicetree/bindings/pinctrl/qcom,*.txt
F: drivers/media/platform/qcom/camss/
QUALCOMM CLOCK DRIVERS
-M: Bjorn Andersson <bjorn.andersson@linaro.org>
+M: Bjorn Andersson <andersson@kernel.org>
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git
QUALCOMM ETHQOS ETHERNET DRIVER
S: Maintained
F: Documentation/devicetree/bindings/net/qcom,ethqos.txt
F: fs/reiserfs/
REMOTE PROCESSOR (REMOTEPROC) SUBSYSTEM
-M: Bjorn Andersson <bjorn.andersson@linaro.org>
+M: Bjorn Andersson <andersson@kernel.org>
S: Maintained
F: include/linux/remoteproc/
REMOTE PROCESSOR MESSAGING (RPMSG) SUBSYSTEM
-M: Bjorn Andersson <bjorn.andersson@linaro.org>
+M: Bjorn Andersson <andersson@kernel.org>
S: Maintained
F: kernel/trace/rv/
F: tools/verification/
+RUST
+S: Supported
+W: https://github.com/Rust-for-Linux/linux
+B: https://github.com/Rust-for-Linux/linux/issues
+T: git https://github.com/Rust-for-Linux/linux.git rust-next
+F: Documentation/rust/
+F: rust/
+F: samples/rust/
+F: scripts/*rust*
+K: \b(?i:rust)\b
+
RXRPC SOCKETS (AF_RXRPC)
S: Maintained
F: drivers/net/ethernet/dlink/sundance.c
+SUN HAPPY MEAL ETHERNET DRIVER
+S: Maintained
+F: drivers/net/ethernet/sun/sunhme.*
+
SUNPLUS ETHERNET DRIVER
F: drivers/net/team/
F: include/linux/if_team.h
F: include/uapi/linux/if_team.h
+F: tools/testing/selftests/drivers/net/team/
TECHNOLOGIC SYSTEMS TS-5500 PLATFORM SUPPORT
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd.git
F: drivers/char/tpm/
+ TPS546D24 DRIVER
+ S: Maintained
+ F: Documentation/hwmon/tps546d24.rst
+ F: drivers/hwmon/pmbus/tps546d24.c
+
TRACING
F: include/uapi/linux/virtio_gpio.h
VIRTIO GPU DRIVER
-M: David Airlie <airlied@linux.ie>
+M: David Airlie <airlied@redhat.com>
F: lib/vsprintf.c
VT1211 HARDWARE MONITOR DRIVER
- M: Juerg Haefliger <juergh@gmail.com>
+ M: Juerg Haefliger <juergh@proton.me>
S: Maintained
F: Documentation/hwmon/vt1211.rst
WANGXUN ETHERNET DRIVER
+W: https://www.net-swift.com
S: Maintained
-F: Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst
+F: Documentation/networking/device_drivers/ethernet/wangxun/*
F: drivers/net/ethernet/wangxun/
WATCHDOG DEVICE DRIVERS
continue;
/* Create a symlink to domain objects */
- obj = acpi_bus_get_acpi_device(element->reference.handle);
+ obj = acpi_get_acpi_dev(element->reference.handle);
resource->domain_devices[i] = obj;
if (!obj)
continue;
return 0;
}
- #ifdef CONFIG_PM_SLEEP
-
static int acpi_power_meter_resume(struct device *dev)
{
struct acpi_power_meter_resource *resource;
return 0;
}
- #endif /* CONFIG_PM_SLEEP */
-
- static SIMPLE_DEV_PM_OPS(acpi_power_meter_pm, NULL, acpi_power_meter_resume);
+ static DEFINE_SIMPLE_DEV_PM_OPS(acpi_power_meter_pm, NULL,
+ acpi_power_meter_resume);
static struct acpi_driver acpi_power_meter_driver = {
.name = "power_meter",
.remove = acpi_power_meter_remove,
.notify = acpi_power_meter_notify,
},
- .drv.pm = &acpi_power_meter_pm,
+ .drv.pm = pm_sleep_ptr(&acpi_power_meter_pm),
};
/* Module init/exit routines */
if (i2c_smbus_read_byte_data(client, ADC128_REG_BUSY_STATUS) & 0xfc)
return -ENODEV;
- strlcpy(info->type, "adc128d818", I2C_NAME_SIZE);
+ strscpy(info->type, "adc128d818", I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int adc128_remove(struct i2c_client *client)
+static void adc128_remove(struct i2c_client *client)
{
struct adc128_data *data = i2c_get_clientdata(client);
if (data->regulator)
regulator_disable(data->regulator);
-
- return 0;
}
static const struct i2c_device_id adc128_id[] = {
static int asb100_probe(struct i2c_client *client);
static int asb100_detect(struct i2c_client *client,
struct i2c_board_info *info);
-static int asb100_remove(struct i2c_client *client);
+static void asb100_remove(struct i2c_client *client);
static struct asb100_data *asb100_update_device(struct device *dev);
static void asb100_init_client(struct i2c_client *client);
if (val1 != 0x31 || val2 != 0x06)
return -ENODEV;
- strlcpy(info->type, "asb100", I2C_NAME_SIZE);
+ strscpy(info->type, "asb100", I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int asb100_remove(struct i2c_client *client)
+static void asb100_remove(struct i2c_client *client)
{
struct asb100_data *data = i2c_get_clientdata(client);
i2c_unregister_device(data->lm75[1]);
i2c_unregister_device(data->lm75[0]);
-
- return 0;
}
/*
if (company == asc7621_chips[chip_index].company_id &&
verstep == asc7621_chips[chip_index].verstep_id) {
- strlcpy(info->type, asc7621_chips[chip_index].name,
+ strscpy(info->type, asc7621_chips[chip_index].name,
I2C_NAME_SIZE);
dev_info(&adapter->dev, "Matched %s at 0x%02x\n",
return -ENODEV;
}
-static int asc7621_remove(struct i2c_client *client)
+static void asc7621_remove(struct i2c_client *client)
{
struct asc7621_data *data = i2c_get_clientdata(client);
int i;
device_remove_file(&client->dev,
&(asc7621_params[i].sda.dev_attr));
}
-
- return 0;
}
static const struct i2c_device_id asc7621_id[] = {
dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n",
verstep == SCH5027_VERSTEP ? "SCH5027" : "DME1737",
client->addr, verstep);
- strlcpy(info->type, name, I2C_NAME_SIZE);
+ strscpy(info->type, name, I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int dme1737_i2c_remove(struct i2c_client *client)
+static void dme1737_i2c_remove(struct i2c_client *client)
{
struct dme1737_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
dme1737_remove_files(&client->dev);
-
- return 0;
}
static const struct i2c_device_id dme1737_id[] = {
--- /dev/null
-static int emc2305_remove(struct i2c_client *client)
+ // SPDX-License-Identifier: GPL-2.0+
+ /*
+ * Hardware monitoring driver for EMC2305 fan controller
+ *
+ * Copyright (C) 2022 Nvidia Technologies Ltd.
+ */
+
+ #include <linux/err.h>
+ #include <linux/hwmon.h>
+ #include <linux/i2c.h>
+ #include <linux/module.h>
+ #include <linux/platform_data/emc2305.h>
+ #include <linux/thermal.h>
+
+ static const unsigned short
+ emc2305_normal_i2c[] = { 0x27, 0x2c, 0x2d, 0x2e, 0x2f, 0x4c, 0x4d, I2C_CLIENT_END };
+
+ #define EMC2305_REG_DRIVE_FAIL_STATUS 0x27
+ #define EMC2305_REG_DEVICE 0xfd
+ #define EMC2305_REG_VENDOR 0xfe
+ #define EMC2305_FAN_MAX 0xff
+ #define EMC2305_FAN_MIN 0x00
+ #define EMC2305_FAN_MAX_STATE 10
+ #define EMC2305_DEVICE 0x34
+ #define EMC2305_VENDOR 0x5d
+ #define EMC2305_REG_PRODUCT_ID 0xfd
+ #define EMC2305_TACH_REGS_UNUSE_BITS 3
+ #define EMC2305_TACH_CNT_MULTIPLIER 0x02
+ #define EMC2305_TACH_RANGE_MIN 480
+
+ #define EMC2305_PWM_DUTY2STATE(duty, max_state, pwm_max) \
+ DIV_ROUND_CLOSEST((duty) * (max_state), (pwm_max))
+ #define EMC2305_PWM_STATE2DUTY(state, max_state, pwm_max) \
+ DIV_ROUND_CLOSEST((state) * (pwm_max), (max_state))
+
+ /*
+ * Factor by equations [2] and [3] from data sheet; valid for fans where the number of edges
+ * equal (poles * 2 + 1).
+ */
+ #define EMC2305_RPM_FACTOR 3932160
+
+ #define EMC2305_REG_FAN_DRIVE(n) (0x30 + 0x10 * (n))
+ #define EMC2305_REG_FAN_MIN_DRIVE(n) (0x38 + 0x10 * (n))
+ #define EMC2305_REG_FAN_TACH(n) (0x3e + 0x10 * (n))
+
+ enum emc230x_product_id {
+ EMC2305 = 0x34,
+ EMC2303 = 0x35,
+ EMC2302 = 0x36,
+ EMC2301 = 0x37,
+ };
+
+ static const struct i2c_device_id emc2305_ids[] = {
+ { "emc2305", 0 },
+ { "emc2303", 0 },
+ { "emc2302", 0 },
+ { "emc2301", 0 },
+ { }
+ };
+ MODULE_DEVICE_TABLE(i2c, emc2305_ids);
+
+ /**
+ * @cdev: cooling device;
+ * @curr_state: cooling current state;
+ * @last_hwmon_state: last cooling state updated by hwmon subsystem;
+ * @last_thermal_state: last cooling state updated by thermal subsystem;
+ *
+ * The 'last_hwmon_state' and 'last_thermal_state' fields are provided to support fan low limit
+ * speed feature. The purpose of this feature is to provides ability to limit fan speed
+ * according to some system wise considerations, like absence of some replaceable units (PSU or
+ * line cards), high system ambient temperature, unreliable transceivers temperature sensing or
+ * some other factors which indirectly impacts system's airflow
+ * Fan low limit feature is supported through 'hwmon' interface: 'hwmon' 'pwm' attribute is
+ * used for setting low limit for fan speed in case 'thermal' subsystem is configured in
+ * kernel. In this case setting fan speed through 'hwmon' will never let the 'thermal'
+ * subsystem to select a lower duty cycle than the duty cycle selected with the 'pwm'
+ * attribute.
+ * From other side, fan speed is to be updated in hardware through 'pwm' only in case the
+ * requested fan speed is above last speed set by 'thermal' subsystem, otherwise requested fan
+ * speed will be just stored with no PWM update.
+ */
+ struct emc2305_cdev_data {
+ struct thermal_cooling_device *cdev;
+ unsigned int cur_state;
+ unsigned long last_hwmon_state;
+ unsigned long last_thermal_state;
+ };
+
+ /**
+ * @client: i2c client;
+ * @hwmon_dev: hwmon device;
+ * @max_state: maximum cooling state of the cooling device;
+ * @pwm_num: number of PWM channels;
+ * @pwm_separate: separate PWM settings for every channel;
+ * @pwm_min: array of minimum PWM per channel;
+ * @cdev_data: array of cooling devices data;
+ */
+ struct emc2305_data {
+ struct i2c_client *client;
+ struct device *hwmon_dev;
+ u8 max_state;
+ u8 pwm_num;
+ bool pwm_separate;
+ u8 pwm_min[EMC2305_PWM_MAX];
+ struct emc2305_cdev_data cdev_data[EMC2305_PWM_MAX];
+ };
+
+ static char *emc2305_fan_name[] = {
+ "emc2305_fan",
+ "emc2305_fan1",
+ "emc2305_fan2",
+ "emc2305_fan3",
+ "emc2305_fan4",
+ "emc2305_fan5",
+ };
+
+ static void emc2305_unset_tz(struct device *dev);
+
+ static int emc2305_get_max_channel(const struct emc2305_data *data)
+ {
+ return data->pwm_num;
+ }
+
+ static int emc2305_get_cdev_idx(struct thermal_cooling_device *cdev)
+ {
+ struct emc2305_data *data = cdev->devdata;
+ size_t len = strlen(cdev->type);
+ int ret;
+
+ if (len <= 0)
+ return -EINVAL;
+
+ /*
+ * Returns index of cooling device 0..4 in case of separate PWM setting.
+ * Zero index is used in case of one common PWM setting.
+ * If the mode is not set as pwm_separate, all PWMs are to be bound
+ * to the common thermal zone and should work at the same speed
+ * to perform cooling for the same thermal junction.
+ * Otherwise, return specific channel that will be used in bound
+ * related PWM to the thermal zone.
+ */
+ if (!data->pwm_separate)
+ return 0;
+
+ ret = cdev->type[len - 1];
+ switch (ret) {
+ case '1' ... '5':
+ return ret - '1';
+ default:
+ break;
+ }
+ return -EINVAL;
+ }
+
+ static int emc2305_get_cur_state(struct thermal_cooling_device *cdev, unsigned long *state)
+ {
+ int cdev_idx;
+ struct emc2305_data *data = cdev->devdata;
+
+ cdev_idx = emc2305_get_cdev_idx(cdev);
+ if (cdev_idx < 0)
+ return cdev_idx;
+
+ *state = data->cdev_data[cdev_idx].cur_state;
+ return 0;
+ }
+
+ static int emc2305_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state)
+ {
+ struct emc2305_data *data = cdev->devdata;
+ *state = data->max_state;
+ return 0;
+ }
+
+ static int emc2305_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state)
+ {
+ int cdev_idx, ret;
+ struct emc2305_data *data = cdev->devdata;
+ struct i2c_client *client = data->client;
+ u8 val, i;
+
+ if (state > data->max_state)
+ return -EINVAL;
+
+ cdev_idx = emc2305_get_cdev_idx(cdev);
+ if (cdev_idx < 0)
+ return cdev_idx;
+
+ /* Save thermal state. */
+ data->cdev_data[cdev_idx].last_thermal_state = state;
+ state = max_t(unsigned long, state, data->cdev_data[cdev_idx].last_hwmon_state);
+
+ val = EMC2305_PWM_STATE2DUTY(state, data->max_state, EMC2305_FAN_MAX);
+
+ data->cdev_data[cdev_idx].cur_state = state;
+ if (data->pwm_separate) {
+ ret = i2c_smbus_write_byte_data(client, EMC2305_REG_FAN_DRIVE(cdev_idx), val);
+ if (ret < 0)
+ return ret;
+ } else {
+ /*
+ * Set the same PWM value in all channels
+ * if common PWM channel is used.
+ */
+ for (i = 0; i < data->pwm_num; i++) {
+ ret = i2c_smbus_write_byte_data(client, EMC2305_REG_FAN_DRIVE(i), val);
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return 0;
+ }
+
+ static const struct thermal_cooling_device_ops emc2305_cooling_ops = {
+ .get_max_state = emc2305_get_max_state,
+ .get_cur_state = emc2305_get_cur_state,
+ .set_cur_state = emc2305_set_cur_state,
+ };
+
+ static int emc2305_show_fault(struct device *dev, int channel)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+ int status_reg;
+
+ status_reg = i2c_smbus_read_byte_data(client, EMC2305_REG_DRIVE_FAIL_STATUS);
+ if (status_reg < 0)
+ return status_reg;
+
+ return status_reg & (1 << channel) ? 1 : 0;
+ }
+
+ static int emc2305_show_fan(struct device *dev, int channel)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+ int ret;
+
+ ret = i2c_smbus_read_word_swapped(client, EMC2305_REG_FAN_TACH(channel));
+ if (ret <= 0)
+ return ret;
+
+ ret = ret >> EMC2305_TACH_REGS_UNUSE_BITS;
+ ret = EMC2305_RPM_FACTOR / ret;
+ if (ret <= EMC2305_TACH_RANGE_MIN)
+ return 0;
+
+ return ret * EMC2305_TACH_CNT_MULTIPLIER;
+ }
+
+ static int emc2305_show_pwm(struct device *dev, int channel)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+
+ return i2c_smbus_read_byte_data(client, EMC2305_REG_FAN_DRIVE(channel));
+ }
+
+ static int emc2305_set_pwm(struct device *dev, long val, int channel)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+ int ret;
+
+ if (val < data->pwm_min[channel] || val > EMC2305_FAN_MAX)
+ return -EINVAL;
+
+ ret = i2c_smbus_write_byte_data(client, EMC2305_REG_FAN_DRIVE(channel), val);
+ if (ret < 0)
+ return ret;
+ data->cdev_data[channel].cur_state = EMC2305_PWM_DUTY2STATE(val, data->max_state,
+ EMC2305_FAN_MAX);
+ return 0;
+ }
+
+ static int emc2305_set_single_tz(struct device *dev, int idx)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ long pwm;
+ int i, cdev_idx, ret;
+
+ cdev_idx = (idx) ? idx - 1 : 0;
+ pwm = data->pwm_min[cdev_idx];
+
+ data->cdev_data[cdev_idx].cdev =
+ thermal_cooling_device_register(emc2305_fan_name[idx], data,
+ &emc2305_cooling_ops);
+
+ if (IS_ERR(data->cdev_data[cdev_idx].cdev)) {
+ dev_err(dev, "Failed to register cooling device %s\n", emc2305_fan_name[idx]);
+ return PTR_ERR(data->cdev_data[cdev_idx].cdev);
+ }
+ /* Set minimal PWM speed. */
+ if (data->pwm_separate) {
+ ret = emc2305_set_pwm(dev, pwm, cdev_idx);
+ if (ret < 0)
+ return ret;
+ } else {
+ for (i = 0; i < data->pwm_num; i++) {
+ ret = emc2305_set_pwm(dev, pwm, i);
+ if (ret < 0)
+ return ret;
+ }
+ }
+ data->cdev_data[cdev_idx].cur_state =
+ EMC2305_PWM_DUTY2STATE(data->pwm_min[cdev_idx], data->max_state,
+ EMC2305_FAN_MAX);
+ data->cdev_data[cdev_idx].last_hwmon_state =
+ EMC2305_PWM_DUTY2STATE(data->pwm_min[cdev_idx], data->max_state,
+ EMC2305_FAN_MAX);
+ return 0;
+ }
+
+ static int emc2305_set_tz(struct device *dev)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ int i, ret;
+
+ if (!data->pwm_separate)
+ return emc2305_set_single_tz(dev, 0);
+
+ for (i = 0; i < data->pwm_num; i++) {
+ ret = emc2305_set_single_tz(dev, i + 1);
+ if (ret)
+ goto thermal_cooling_device_register_fail;
+ }
+ return 0;
+
+ thermal_cooling_device_register_fail:
+ emc2305_unset_tz(dev);
+ return ret;
+ }
+
+ static void emc2305_unset_tz(struct device *dev)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ int i;
+
+ /* Unregister cooling device. */
+ for (i = 0; i < EMC2305_PWM_MAX; i++)
+ if (data->cdev_data[i].cdev)
+ thermal_cooling_device_unregister(data->cdev_data[i].cdev);
+ }
+
+ static umode_t
+ emc2305_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel)
+ {
+ int max_channel = emc2305_get_max_channel(data);
+
+ /* Don't show channels which are not physically connected. */
+ if (channel >= max_channel)
+ return 0;
+ switch (type) {
+ case hwmon_fan:
+ switch (attr) {
+ case hwmon_fan_input:
+ return 0444;
+ case hwmon_fan_fault:
+ return 0444;
+ default:
+ break;
+ }
+ break;
+ case hwmon_pwm:
+ switch (attr) {
+ case hwmon_pwm_input:
+ return 0644;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+ };
+
+ static int
+ emc2305_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val)
+ {
+ struct emc2305_data *data = dev_get_drvdata(dev);
+ int cdev_idx;
+
+ switch (type) {
+ case hwmon_pwm:
+ switch (attr) {
+ case hwmon_pwm_input:
+ /* If thermal is configured - handle PWM limit setting. */
+ if (IS_REACHABLE(CONFIG_THERMAL)) {
+ if (data->pwm_separate)
+ cdev_idx = channel;
+ else
+ cdev_idx = 0;
+ data->cdev_data[cdev_idx].last_hwmon_state =
+ EMC2305_PWM_DUTY2STATE(val, data->max_state,
+ EMC2305_FAN_MAX);
+ /*
+ * Update PWM only in case requested state is not less than the
+ * last thermal state.
+ */
+ if (data->cdev_data[cdev_idx].last_hwmon_state >=
+ data->cdev_data[cdev_idx].last_thermal_state)
+ return emc2305_set_cur_state(data->cdev_data[cdev_idx].cdev,
+ data->cdev_data[cdev_idx].last_hwmon_state);
+ return 0;
+ }
+ return emc2305_set_pwm(dev, val, channel);
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+ };
+
+ static int
+ emc2305_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val)
+ {
+ int ret;
+
+ switch (type) {
+ case hwmon_fan:
+ switch (attr) {
+ case hwmon_fan_input:
+ ret = emc2305_show_fan(dev, channel);
+ if (ret < 0)
+ return ret;
+ *val = ret;
+ return 0;
+ case hwmon_fan_fault:
+ ret = emc2305_show_fault(dev, channel);
+ if (ret < 0)
+ return ret;
+ *val = ret;
+ return 0;
+ default:
+ break;
+ }
+ break;
+ case hwmon_pwm:
+ switch (attr) {
+ case hwmon_pwm_input:
+ ret = emc2305_show_pwm(dev, channel);
+ if (ret < 0)
+ return ret;
+ *val = ret;
+ return 0;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+ };
+
+ static const struct hwmon_ops emc2305_ops = {
+ .is_visible = emc2305_is_visible,
+ .read = emc2305_read,
+ .write = emc2305_write,
+ };
+
+ static const struct hwmon_channel_info *emc2305_info[] = {
+ HWMON_CHANNEL_INFO(fan,
+ HWMON_F_INPUT | HWMON_F_FAULT,
+ HWMON_F_INPUT | HWMON_F_FAULT,
+ HWMON_F_INPUT | HWMON_F_FAULT,
+ HWMON_F_INPUT | HWMON_F_FAULT,
+ HWMON_F_INPUT | HWMON_F_FAULT),
+ HWMON_CHANNEL_INFO(pwm,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT,
+ HWMON_PWM_INPUT),
+ NULL
+ };
+
+ static const struct hwmon_chip_info emc2305_chip_info = {
+ .ops = &emc2305_ops,
+ .info = emc2305_info,
+ };
+
+ static int emc2305_identify(struct device *dev)
+ {
+ struct i2c_client *client = to_i2c_client(dev);
+ struct emc2305_data *data = i2c_get_clientdata(client);
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(client, EMC2305_REG_PRODUCT_ID);
+ if (ret < 0)
+ return ret;
+
+ switch (ret) {
+ case EMC2305:
+ data->pwm_num = 5;
+ break;
+ case EMC2303:
+ data->pwm_num = 3;
+ break;
+ case EMC2302:
+ data->pwm_num = 2;
+ break;
+ case EMC2301:
+ data->pwm_num = 1;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ return 0;
+ }
+
+ static int emc2305_probe(struct i2c_client *client, const struct i2c_device_id *id)
+ {
+ struct i2c_adapter *adapter = client->adapter;
+ struct device *dev = &client->dev;
+ struct emc2305_data *data;
+ struct emc2305_platform_data *pdata;
+ int vendor, device;
+ int ret;
+ int i;
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
+ return -ENODEV;
+
+ vendor = i2c_smbus_read_byte_data(client, EMC2305_REG_VENDOR);
+ if (vendor != EMC2305_VENDOR)
+ return -ENODEV;
+
+ device = i2c_smbus_read_byte_data(client, EMC2305_REG_DEVICE);
+ if (device != EMC2305_DEVICE)
+ return -ENODEV;
+
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, data);
+ data->client = client;
+
+ ret = emc2305_identify(dev);
+ if (ret)
+ return ret;
+
+ pdata = dev_get_platdata(&client->dev);
+ if (pdata) {
+ if (!pdata->max_state || pdata->max_state > EMC2305_FAN_MAX_STATE)
+ return -EINVAL;
+ data->max_state = pdata->max_state;
+ /*
+ * Validate a number of active PWM channels. Note that
+ * configured number can be less than the actual maximum
+ * supported by the device.
+ */
+ if (!pdata->pwm_num || pdata->pwm_num > EMC2305_PWM_MAX)
+ return -EINVAL;
+ data->pwm_num = pdata->pwm_num;
+ data->pwm_separate = pdata->pwm_separate;
+ for (i = 0; i < EMC2305_PWM_MAX; i++)
+ data->pwm_min[i] = pdata->pwm_min[i];
+ } else {
+ data->max_state = EMC2305_FAN_MAX_STATE;
+ data->pwm_separate = false;
+ for (i = 0; i < EMC2305_PWM_MAX; i++)
+ data->pwm_min[i] = EMC2305_FAN_MIN;
+ }
+
+ data->hwmon_dev = devm_hwmon_device_register_with_info(dev, "emc2305", data,
+ &emc2305_chip_info, NULL);
+ if (IS_ERR(data->hwmon_dev))
+ return PTR_ERR(data->hwmon_dev);
+
+ if (IS_REACHABLE(CONFIG_THERMAL)) {
+ ret = emc2305_set_tz(dev);
+ if (ret != 0)
+ return ret;
+ }
+
+ for (i = 0; i < data->pwm_num; i++) {
+ ret = i2c_smbus_write_byte_data(client, EMC2305_REG_FAN_MIN_DRIVE(i),
+ data->pwm_min[i]);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+ }
+
- return 0;
++static void emc2305_remove(struct i2c_client *client)
+ {
+ struct device *dev = &client->dev;
+
+ if (IS_REACHABLE(CONFIG_THERMAL))
+ emc2305_unset_tz(dev);
+ }
+
+ static struct i2c_driver emc2305_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "emc2305",
+ },
+ .probe = emc2305_probe,
+ .remove = emc2305_remove,
+ .id_table = emc2305_ids,
+ .address_list = emc2305_normal_i2c,
+ };
+
+ module_i2c_driver(emc2305_driver);
+
+ MODULE_AUTHOR("Nvidia");
+ MODULE_DESCRIPTION("Microchip EMC2305 fan controller driver");
+ MODULE_LICENSE("GPL");
static int f75375_detect(struct i2c_client *client,
struct i2c_board_info *info);
static int f75375_probe(struct i2c_client *client);
-static int f75375_remove(struct i2c_client *client);
+static void f75375_remove(struct i2c_client *client);
static const struct i2c_device_id f75375_id[] = {
{ "f75373", f75373 },
return err;
}
-static int f75375_remove(struct i2c_client *client)
+static void f75375_remove(struct i2c_client *client)
{
struct f75375_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &f75375_group);
- return 0;
}
/* Return 0 if detection is successful, -ENODEV otherwise */
version = f75375_read8(client, F75375_REG_VERSION);
dev_info(&adapter->dev, "found %s version: %02X\n", name, version);
- strlcpy(info->type, name, I2C_NAME_SIZE);
+ strscpy(info->type, name, I2C_NAME_SIZE);
return 0;
}
static int fschmd_probe(struct i2c_client *client);
static int fschmd_detect(struct i2c_client *client,
struct i2c_board_info *info);
-static int fschmd_remove(struct i2c_client *client);
+static void fschmd_remove(struct i2c_client *client);
static struct fschmd_data *fschmd_update_device(struct device *dev);
/*
else
return -ENODEV;
- strlcpy(info->type, fschmd_id[kind].name, I2C_NAME_SIZE);
+ strscpy(info->type, fschmd_id[kind].name, I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int fschmd_remove(struct i2c_client *client)
+static void fschmd_remove(struct i2c_client *client)
{
struct fschmd_data *data = i2c_get_clientdata(client);
int i;
mutex_lock(&watchdog_data_mutex);
kref_put(&data->kref, fschmd_release_resources);
mutex_unlock(&watchdog_data_mutex);
-
- return 0;
}
static struct fschmd_data *fschmd_update_device(struct device *dev)
if (val != 0x11)
return -ENODEV;
- strlcpy(info->type, fts_id[0].name, I2C_NAME_SIZE);
+ strscpy(info->type, fts_id[0].name, I2C_NAME_SIZE);
info->flags = 0;
return 0;
}
-static int fts_remove(struct i2c_client *client)
+static void fts_remove(struct i2c_client *client)
{
struct fts_data *data = dev_get_drvdata(&client->dev);
watchdog_unregister_device(&data->wdd);
- return 0;
}
static int fts_probe(struct i2c_client *client)
return ret;
}
-static int ina3221_remove(struct i2c_client *client)
+static void ina3221_remove(struct i2c_client *client)
{
struct ina3221_data *ina = dev_get_drvdata(&client->dev);
int i;
pm_runtime_put_noidle(ina->pm_dev);
mutex_destroy(&ina->lock);
-
- return 0;
}
- static int __maybe_unused ina3221_suspend(struct device *dev)
+ static int ina3221_suspend(struct device *dev)
{
struct ina3221_data *ina = dev_get_drvdata(dev);
int ret;
return 0;
}
- static int __maybe_unused ina3221_resume(struct device *dev)
+ static int ina3221_resume(struct device *dev)
{
struct ina3221_data *ina = dev_get_drvdata(dev);
int ret;
return 0;
}
- static const struct dev_pm_ops ina3221_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
- SET_RUNTIME_PM_OPS(ina3221_suspend, ina3221_resume, NULL)
- };
+ static DEFINE_RUNTIME_DEV_PM_OPS(ina3221_pm, ina3221_suspend, ina3221_resume,
+ NULL);
static const struct of_device_id ina3221_of_match_table[] = {
{ .compatible = "ti,ina3221", },
.driver = {
.name = INA3221_DRIVER_NAME,
.of_match_table = ina3221_of_match_table,
- .pm = &ina3221_pm,
+ .pm = pm_ptr(&ina3221_pm),
},
.id_table = ina3221_ids,
};
struct jc42_chips *chip = &jc42_chips[i];
if (manid == chip->manid &&
(devid & chip->devid_mask) == chip->devid) {
- strlcpy(info->type, "jc42", I2C_NAME_SIZE);
+ strscpy(info->type, "jc42", I2C_NAME_SIZE);
return 0;
}
}
return PTR_ERR_OR_ZERO(hwmon_dev);
}
-static int jc42_remove(struct i2c_client *client)
+static void jc42_remove(struct i2c_client *client)
{
struct jc42_data *data = i2c_get_clientdata(client);
| (data->config & JC42_CFG_HYST_MASK);
i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, config);
}
- return 0;
}
#ifdef CONFIG_PM
.info = tps23861_info,
};
- static char *tps23861_port_operating_mode(struct tps23861_data *data, int port)
+ static char *port_operating_mode_string(uint8_t mode_reg, unsigned int port)
{
- unsigned int regval;
- int mode;
-
- regmap_read(data->regmap, OPERATING_MODE, ®val);
+ unsigned int mode = ~0;
- switch (port) {
- case 1:
- mode = FIELD_GET(OPERATING_MODE_PORT_1_MASK, regval);
- break;
- case 2:
- mode = FIELD_GET(OPERATING_MODE_PORT_2_MASK, regval);
- break;
- case 3:
- mode = FIELD_GET(OPERATING_MODE_PORT_3_MASK, regval);
- break;
- case 4:
- mode = FIELD_GET(OPERATING_MODE_PORT_4_MASK, regval);
- break;
- default:
- mode = -EINVAL;
- }
+ if (port < TPS23861_NUM_PORTS)
+ mode = (mode_reg >> (2 * port)) & OPERATING_MODE_PORT_1_MASK;
switch (mode) {
case OPERATING_MODE_OFF:
}
}
- static char *tps23861_port_detect_status(struct tps23861_data *data, int port)
+ static char *port_detect_status_string(uint8_t status_reg)
{
- unsigned int regval;
-
- regmap_read(data->regmap,
- PORT_1_STATUS + (port - 1),
- ®val);
-
- switch (FIELD_GET(PORT_STATUS_DETECT_MASK, regval)) {
+ switch (FIELD_GET(PORT_STATUS_DETECT_MASK, status_reg)) {
case PORT_DETECT_UNKNOWN:
return "Unknown device";
case PORT_DETECT_SHORT:
}
}
- static char *tps23861_port_class_status(struct tps23861_data *data, int port)
+ static char *port_class_status_string(uint8_t status_reg)
{
- unsigned int regval;
-
- regmap_read(data->regmap,
- PORT_1_STATUS + (port - 1),
- ®val);
-
- switch (FIELD_GET(PORT_STATUS_CLASS_MASK, regval)) {
+ switch (FIELD_GET(PORT_STATUS_CLASS_MASK, status_reg)) {
case PORT_CLASS_UNKNOWN:
return "Unknown";
case PORT_CLASS_RESERVED:
}
}
- static char *tps23861_port_poe_plus_status(struct tps23861_data *data, int port)
+ static char *port_poe_plus_status_string(uint8_t poe_plus, unsigned int port)
{
- unsigned int regval;
-
- regmap_read(data->regmap, POE_PLUS, ®val);
-
- if (BIT(port + 3) & regval)
- return "Yes";
- else
- return "No";
+ return (BIT(port + 4) & poe_plus) ? "Yes" : "No";
}
static int tps23861_port_resistance(struct tps23861_data *data, int port)
__le16 regval;
regmap_bulk_read(data->regmap,
- PORT_1_RESISTANCE_LSB + PORT_N_RESISTANCE_LSB_OFFSET * (port - 1),
+ PORT_1_RESISTANCE_LSB + PORT_N_RESISTANCE_LSB_OFFSET * port,
®val,
2);
static int tps23861_port_status_show(struct seq_file *s, void *data)
{
struct tps23861_data *priv = s->private;
- int i;
-
- for (i = 1; i < TPS23861_NUM_PORTS + 1; i++) {
- seq_printf(s, "Port: \t\t%d\n", i);
- seq_printf(s, "Operating mode: %s\n", tps23861_port_operating_mode(priv, i));
- seq_printf(s, "Detected: \t%s\n", tps23861_port_detect_status(priv, i));
- seq_printf(s, "Class: \t\t%s\n", tps23861_port_class_status(priv, i));
- seq_printf(s, "PoE Plus: \t%s\n", tps23861_port_poe_plus_status(priv, i));
+ unsigned int i, mode, poe_plus, status;
+
+ regmap_read(priv->regmap, OPERATING_MODE, &mode);
+ regmap_read(priv->regmap, POE_PLUS, &poe_plus);
+
+ for (i = 0; i < TPS23861_NUM_PORTS; i++) {
+ regmap_read(priv->regmap, PORT_1_STATUS + i, &status);
+
+ seq_printf(s, "Port: \t\t%d\n", i + 1);
+ seq_printf(s, "Operating mode: %s\n", port_operating_mode_string(mode, i));
+ seq_printf(s, "Detected: \t%s\n", port_detect_status_string(status));
+ seq_printf(s, "Class: \t\t%s\n", port_class_status_string(status));
+ seq_printf(s, "PoE Plus: \t%s\n", port_poe_plus_status_string(poe_plus, i));
seq_printf(s, "Resistance: \t%d\n", tps23861_port_resistance(priv, i));
seq_putc(s, '\n');
}
DEFINE_SHOW_ATTRIBUTE(tps23861_port_status);
- static void tps23861_init_debugfs(struct tps23861_data *data)
+ static void tps23861_init_debugfs(struct tps23861_data *data,
+ struct device *hwmon_dev)
{
- data->debugfs_dir = debugfs_create_dir(data->client->name, NULL);
+ const char *debugfs_name;
+
+ debugfs_name = devm_kasprintf(&data->client->dev, GFP_KERNEL, "%s-%s",
+ data->client->name, dev_name(hwmon_dev));
+ if (!debugfs_name)
+ return;
+
+ data->debugfs_dir = debugfs_create_dir(debugfs_name, NULL);
debugfs_create_file("port_status",
0400,
if (IS_ERR(hwmon_dev))
return PTR_ERR(hwmon_dev);
- tps23861_init_debugfs(data);
+ tps23861_init_debugfs(data, hwmon_dev);
return 0;
}
-static int tps23861_remove(struct i2c_client *client)
+static void tps23861_remove(struct i2c_client *client)
{
struct tps23861_data *data = i2c_get_clientdata(client);
debugfs_remove_recursive(data->debugfs_dir);
-
- return 0;
}
static const struct of_device_id __maybe_unused tps23861_of_match[] = {
if (isa)
mutex_unlock(&isa->update_lock);
- strlcpy(info->type, client_name, I2C_NAME_SIZE);
+ strscpy(info->type, client_name, I2C_NAME_SIZE);
return 0;
return err;
}
-static int
+static void
w83781d_remove(struct i2c_client *client)
{
struct w83781d_data *data = i2c_get_clientdata(client);
i2c_unregister_device(data->lm75[0]);
i2c_unregister_device(data->lm75[1]);
-
- return 0;
}
static int
static int w83791d_probe(struct i2c_client *client);
static int w83791d_detect(struct i2c_client *client,
struct i2c_board_info *info);
-static int w83791d_remove(struct i2c_client *client);
+static void w83791d_remove(struct i2c_client *client);
static int w83791d_read(struct i2c_client *client, u8 reg);
static int w83791d_write(struct i2c_client *client, u8 reg, u8 value);
if (val1 != 0x71 || val2 != 0x5c)
return -ENODEV;
- strlcpy(info->type, "w83791d", I2C_NAME_SIZE);
+ strscpy(info->type, "w83791d", I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int w83791d_remove(struct i2c_client *client)
+static void w83791d_remove(struct i2c_client *client)
{
struct w83791d_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &w83791d_group);
-
- return 0;
}
static void w83791d_init_client(struct i2c_client *client)
static int w83792d_probe(struct i2c_client *client);
static int w83792d_detect(struct i2c_client *client,
struct i2c_board_info *info);
-static int w83792d_remove(struct i2c_client *client);
+static void w83792d_remove(struct i2c_client *client);
static struct w83792d_data *w83792d_update_device(struct device *dev);
#ifdef DEBUG
if (val1 != 0x7a || val2 != 0x5c)
return -ENODEV;
- strlcpy(info->type, "w83792d", I2C_NAME_SIZE);
+ strscpy(info->type, "w83792d", I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int
+static void
w83792d_remove(struct i2c_client *client)
{
struct w83792d_data *data = i2c_get_clientdata(client);
for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++)
sysfs_remove_group(&client->dev.kobj,
&w83792d_group_fan[i]);
-
- return 0;
}
static void
static int w83793_probe(struct i2c_client *client);
static int w83793_detect(struct i2c_client *client,
struct i2c_board_info *info);
-static int w83793_remove(struct i2c_client *client);
+static void w83793_remove(struct i2c_client *client);
static void w83793_init_client(struct i2c_client *client);
static void w83793_update_nonvolatile(struct device *dev);
static struct w83793_data *w83793_update_device(struct device *dev);
* Init / remove routines
*/
-static int w83793_remove(struct i2c_client *client)
+static void w83793_remove(struct i2c_client *client)
{
struct w83793_data *data = i2c_get_clientdata(client);
struct device *dev = &client->dev;
mutex_lock(&watchdog_data_mutex);
kref_put(&data->kref, w83793_release_resources);
mutex_unlock(&watchdog_data_mutex);
-
- return 0;
}
static int
if (chip_id != 0x7b)
return -ENODEV;
- strlcpy(info->type, "w83793", I2C_NAME_SIZE);
+ strscpy(info->type, "w83793", I2C_NAME_SIZE);
return 0;
}
else
chip_name = "w83795g";
- strlcpy(info->type, chip_name, I2C_NAME_SIZE);
+ strscpy(info->type, chip_name, I2C_NAME_SIZE);
dev_info(&adapter->dev, "Found %s rev. %c at 0x%02hx\n", chip_name,
'A' + (device_id & 0xf), address);
return err;
}
-static int w83795_remove(struct i2c_client *client)
+static void w83795_remove(struct i2c_client *client)
{
struct w83795_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
w83795_handle_files(&client->dev, device_remove_file_wrapper);
-
- return 0;
}
static int w83l785ts_probe(struct i2c_client *client);
static int w83l785ts_detect(struct i2c_client *client,
struct i2c_board_info *info);
-static int w83l785ts_remove(struct i2c_client *client);
+static void w83l785ts_remove(struct i2c_client *client);
static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval);
static struct w83l785ts_data *w83l785ts_update_device(struct device *dev);
return -ENODEV;
}
- strlcpy(info->type, "w83l785ts", I2C_NAME_SIZE);
+ strscpy(info->type, "w83l785ts", I2C_NAME_SIZE);
return 0;
}
return err;
}
-static int w83l785ts_remove(struct i2c_client *client)
+static void w83l785ts_remove(struct i2c_client *client)
{
struct w83l785ts_data *data = i2c_get_clientdata(client);
&sensor_dev_attr_temp1_input.dev_attr);
device_remove_file(&client->dev,
&sensor_dev_attr_temp1_max.dev_attr);
-
- return 0;
}
static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)