linux-stable/drivers/iio
Matti Vaittinen f8ca7ac743 iio: gts-helper: Fix division loop
[ Upstream commit bb76cc45dc ]

The loop based 64bit division may run for a long time when dividend is a
lot bigger than the divider. Replace the division loop by the
div64_u64() which implementation may be significantly faster.

Tested-by: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com>
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: 38416c28e1 ("iio: light: Add gain-time-scale helpers")
Link: https://lore.kernel.org/r/Zcn-6e-0-nh2WcfU@drtxq0yyyyyyyyyyyyyby-3.rev.dnainternet.fi
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:17:29 -04:00
..
accel iio: accel: adxl367: fix I2C FIFO data register 2024-02-25 14:31:14 +00:00
adc iio: adc: ad4130: only set GPIO_CTRL if pin is unused 2024-02-10 16:52:39 +00:00
addac IIO: 1st set of new device support, features and cleanup for 6.7 2023-10-20 07:54:15 +02:00
afe iio: afe: rescale: Accept only offset channels 2023-10-17 20:25:32 +01:00
amplifiers iio: amplifiers: hmc425a: add support for ADRF5740 Attenuator 2023-11-26 16:36:53 +00:00
buffer Char/Misc and other Driver changes for 6.8-rc1 2024-01-17 16:47:17 -08:00
cdc iio: cdc: ad7150: relax return value check for IRQ get 2023-08-01 18:55:55 +01:00
chemical TTY/Serial changes for 6.8-rc1 2024-01-18 11:37:24 -08:00
common iio: common: ms_sensors: ms_sensors_i2c: fix humidity conversion time table 2023-11-16 19:35:41 +00:00
dac iio: dac: driver for MCP4821 2023-12-21 17:04:42 +00:00
dummy
filter drivers: iio: filter: admv8818: add bypass mode 2023-08-08 09:51:06 +01:00
frequency iio: frequency: admv1014: Switch to device_property_match_property_string() 2023-11-16 19:10:26 +00:00
gyro iio: gyro: hid-sensor-gyro-3d: Convert to platform remove callback returning void 2023-09-23 15:06:55 +01:00
health iio: Switch i2c drivers back to use .probe() 2023-05-21 18:54:53 +01:00
humidity iio: humidity: hdc3020: fix temperature offset 2024-01-27 14:40:07 +00:00
imu iio: imu: inv_mpu6050: fix frequency setting when chip is off 2024-02-25 11:42:12 +00:00
light iio: hid-sensor-als: Return 0 for HID_USAGE_SENSOR_TIME_TIMESTAMP 2024-02-04 14:02:16 +00:00
magnetometer iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC 2024-01-22 18:59:06 +00:00
multiplexer iio: multiplexer: Switch to use dev_err_probe() helper 2022-11-23 19:43:57 +00:00
orientation iio: orientation: hid-sensor-rotation: Convert to platform remove callback returning void 2023-09-23 15:06:56 +01:00
position iio: position: hid-sensor-custom-intel-hinge: Convert to platform remove callback returning void 2023-09-23 15:06:56 +01:00
potentiometer iio: potentiometer: ad5110: Use i2c_get_match_data() 2023-09-12 10:42:03 +01:00
potentiostat iio: Switch i2c drivers back to use .probe() 2023-05-21 18:54:53 +01:00
pressure iio: pressure: mprls0025pa fix off-by-one enum 2024-03-26 18:17:28 -04:00
proximity iio: proximity: irsd200: Drop unused include 2023-12-04 13:24:42 +00:00
resolver iio: resolver: ad2s1210: add reset gpio support 2023-11-16 19:10:25 +00:00
temperature iio: temperature: mlx90635 MLX90635 IR Temperature sensor 2023-12-11 19:16:34 +00:00
test
trigger iio: trigger: stm32-timer: Convert to platform remove callback returning void 2023-09-23 15:06:56 +01:00
Kconfig iio: light: Add gain-time-scale helpers 2023-04-10 12:26:34 +01:00
Makefile iio: light: Add gain-time-scale helpers 2023-04-10 12:26:34 +01:00
TODO iio: core: move 'mlock' to 'struct iio_dev_opaque' 2022-11-23 19:44:00 +00:00
iio_core.h iio: Remove unused declarations 2023-09-12 10:42:03 +01:00
iio_core_trigger.h
industrialio-buffer.c iio: buffer: Use IIO_SEPARATE instead of a hard-coded 0 2023-12-21 10:48:29 +00:00
industrialio-configfs.c
industrialio-core.c iio: core: fix memleak in iio_device_register_sysfs 2024-01-22 18:59:06 +00:00
industrialio-event.c iio: event: add optional event label support 2023-10-11 15:54:41 +01:00
industrialio-gts-helper.c iio: gts-helper: Fix division loop 2024-03-26 18:17:29 -04:00
industrialio-sw-device.c
industrialio-sw-trigger.c
industrialio-trigger.c iio: Make return value check for set_trigger_state() consistent 2023-07-20 19:21:30 +01:00
industrialio-triggered-event.c
inkern.c iio: inkern: Add a helper to query an available minimum raw value 2023-07-09 22:48:17 +01:00