Re: [PATCH v2 0/6] iio: core: pass parent device as parameter during allocation

From: Jonathan Cameron
Date: Thu Jun 04 2020 - 13:35:25 EST

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In reply to: Ardelean, Alexandru: "Re: [PATCH v2 0/6] iio: core: pass parent device as parameter during allocation"
Next in thread: Jonathan Cameron: "Re: [PATCH v2 0/6] iio: core: pass parent device as parameter during allocation"
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On Wed, 3 Jun 2020 11:41:52 +0000
"Ardelean, Alexandru" <alexandru.Ardelean@xxxxxxxxxx> wrote:

> On Wed, 2020-06-03 at 14:40 +0300, Alexandru Ardelean wrote:
> > This patch updates the {devm_}iio_device_alloc() functions to automatically
> > assign the parent device on allocation.
> > For iio_device_alloc() this means a new parameter.
> > For devm_iio_device_alloc() this means a new behavior; the device object is
> > the parent. For this one, this is the common case for most drivers (except
> > one: 'lm3533-als').
> >
> > For the special cases an iio_device_set_parent() has been created to change
> > the parent betwee allocation & registration.
> > The purpose of this helper, is mostly to highlight the new behavior of
> > devm_iio_device_alloc().
> >
> > This patchset also removes explicit parent assignments from most IIO
> > drivers (except for lm3533-als).
> >
> > Using a semantic patch, about 303 drivers are updated, and some needed some
> > manual attention. This is probably due to some limitations of spatch. At
> > least in some cases the parent device is not the same variable as passed to
> > devm_iio_device_alloc(), OR the parent assignment is moved to a separate
> > function than where devm_iio_device_alloc() is called.
> >
>
> Forgot to explicitly CC Jonathan.
> But I'm hoping this shows up from the list.

No problem. I filter anything going to the list into the same folder
whether or not I'm cc'd :) Well several folders on different machines via
different email addresses, but you get the idea...

>
> > Changelog v1 -> v2:
> > * added iio_device_set_parent() helper (new commit)
> > * update commit for lm3533-als to use iio_device_set_parent()
> >
> > Alexandru Ardelean (6):
> > iio: core: pass parent device as parameter during allocation
> > iio: core: add iio_device_set_parent() helper
> > iio: remove explicit IIO device parent assignment
> > iio: remove left-over comments about parent assignment
> > iio: light: lm3533-als: use iio_device_set_parent() to assign parent
> > iio: remove left-over parent assignments
> >
> > drivers/counter/104-quad-8.c | 1 -
> > drivers/counter/stm32-lptimer-cnt.c | 1 -
> > drivers/iio/accel/adis16201.c | 1 -
> > drivers/iio/accel/adis16209.c | 1 -
> > drivers/iio/accel/adxl345_core.c | 1 -
> > drivers/iio/accel/adxl372.c | 1 -
> > drivers/iio/accel/bma180.c | 1 -
> > drivers/iio/accel/bma220_spi.c | 1 -
> > drivers/iio/accel/bma400_core.c | 1 -
> > drivers/iio/accel/bmc150-accel-core.c | 1 -
> > drivers/iio/accel/da280.c | 1 -
> > drivers/iio/accel/da311.c | 1 -
> > drivers/iio/accel/dmard06.c | 1 -
> > drivers/iio/accel/dmard09.c | 1 -
> > drivers/iio/accel/dmard10.c | 1 -
> > drivers/iio/accel/hid-sensor-accel-3d.c | 1 -
> > drivers/iio/accel/kxcjk-1013.c | 1 -
> > drivers/iio/accel/kxsd9.c | 1 -
> > drivers/iio/accel/mc3230.c | 1 -
> > drivers/iio/accel/mma7455_core.c | 1 -
> > drivers/iio/accel/mma7660.c | 1 -
> > drivers/iio/accel/mma8452.c | 1 -
> > drivers/iio/accel/mma9551.c | 1 -
> > drivers/iio/accel/mma9553.c | 1 -
> > drivers/iio/accel/mxc4005.c | 1 -
> > drivers/iio/accel/mxc6255.c | 1 -
> > drivers/iio/accel/sca3000.c | 1 -
> > drivers/iio/accel/ssp_accel_sensor.c | 1 -
> > drivers/iio/accel/stk8312.c | 1 -
> > drivers/iio/accel/stk8ba50.c | 1 -
> > drivers/iio/adc/ab8500-gpadc.c | 1 -
> > drivers/iio/adc/ad7091r-base.c | 1 -
> > drivers/iio/adc/ad7124.c | 1 -
> > drivers/iio/adc/ad7192.c | 1 -
> > drivers/iio/adc/ad7266.c | 1 -
> > drivers/iio/adc/ad7291.c | 1 -
> > drivers/iio/adc/ad7292.c | 1 -
> > drivers/iio/adc/ad7298.c | 1 -
> > drivers/iio/adc/ad7476.c | 2 --
> > drivers/iio/adc/ad7606.c | 1 -
> > drivers/iio/adc/ad7766.c | 1 -
> > drivers/iio/adc/ad7768-1.c | 1 -
> > drivers/iio/adc/ad7780.c | 1 -
> > drivers/iio/adc/ad7791.c | 1 -
> > drivers/iio/adc/ad7793.c | 1 -
> > drivers/iio/adc/ad7887.c | 2 --
> > drivers/iio/adc/ad7923.c | 1 -
> > drivers/iio/adc/ad7949.c | 1 -
> > drivers/iio/adc/ad799x.c | 1 -
> > drivers/iio/adc/adi-axi-adc.c | 1 -
> > drivers/iio/adc/aspeed_adc.c | 1 -
> > drivers/iio/adc/at91-sama5d2_adc.c | 1 -
> > drivers/iio/adc/at91_adc.c | 1 -
> > drivers/iio/adc/axp20x_adc.c | 1 -
> > drivers/iio/adc/axp288_adc.c | 1 -
> > drivers/iio/adc/bcm_iproc_adc.c | 1 -
> > drivers/iio/adc/berlin2-adc.c | 1 -
> > drivers/iio/adc/cc10001_adc.c | 1 -
> > drivers/iio/adc/cpcap-adc.c | 1 -
> > drivers/iio/adc/da9150-gpadc.c | 1 -
> > drivers/iio/adc/dln2-adc.c | 1 -
> > drivers/iio/adc/envelope-detector.c | 1 -
> > drivers/iio/adc/ep93xx_adc.c | 1 -
> > drivers/iio/adc/exynos_adc.c | 1 -
> > drivers/iio/adc/fsl-imx25-gcq.c | 1 -
> > drivers/iio/adc/hi8435.c | 1 -
> > drivers/iio/adc/hx711.c | 1 -
> > drivers/iio/adc/imx7d_adc.c | 1 -
> > drivers/iio/adc/ina2xx-adc.c | 1 -
> > drivers/iio/adc/ingenic-adc.c | 1 -
> > drivers/iio/adc/intel_mrfld_adc.c | 1 -
> > drivers/iio/adc/lp8788_adc.c | 1 -
> > drivers/iio/adc/lpc18xx_adc.c | 1 -
> > drivers/iio/adc/lpc32xx_adc.c | 1 -
> > drivers/iio/adc/ltc2471.c | 1 -
> > drivers/iio/adc/ltc2485.c | 1 -
> > drivers/iio/adc/max1027.c | 1 -
> > drivers/iio/adc/max11100.c | 1 -
> > drivers/iio/adc/max1118.c | 1 -
> > drivers/iio/adc/max1241.c | 1 -
> > drivers/iio/adc/max1363.c | 2 --
> > drivers/iio/adc/max9611.c | 1 -
> > drivers/iio/adc/mcp320x.c | 1 -
> > drivers/iio/adc/mcp3422.c | 1 -
> > drivers/iio/adc/mcp3911.c | 1 -
> > drivers/iio/adc/men_z188_adc.c | 1 -
> > drivers/iio/adc/meson_saradc.c | 1 -
> > drivers/iio/adc/mt6577_auxadc.c | 1 -
> > drivers/iio/adc/mxs-lradc-adc.c | 1 -
> > drivers/iio/adc/nau7802.c | 1 -
> > drivers/iio/adc/npcm_adc.c | 1 -
> > drivers/iio/adc/palmas_gpadc.c | 1 -
> > drivers/iio/adc/qcom-pm8xxx-xoadc.c | 1 -
> > drivers/iio/adc/qcom-spmi-adc5.c | 1 -
> > drivers/iio/adc/qcom-spmi-iadc.c | 1 -
> > drivers/iio/adc/qcom-spmi-vadc.c | 1 -
> > drivers/iio/adc/rcar-gyroadc.c | 1 -
> > drivers/iio/adc/rn5t618-adc.c | 1 -
> > drivers/iio/adc/rockchip_saradc.c | 1 -
> > drivers/iio/adc/sc27xx_adc.c | 1 -
> > drivers/iio/adc/sd_adc_modulator.c | 1 -
> > drivers/iio/adc/spear_adc.c | 1 -
> > drivers/iio/adc/stm32-adc.c | 1 -
> > drivers/iio/adc/stm32-dfsdm-adc.c | 1 -
> > drivers/iio/adc/stmpe-adc.c | 1 -
> > drivers/iio/adc/stx104.c | 1 -
> > drivers/iio/adc/sun4i-gpadc-iio.c | 1 -
> > drivers/iio/adc/ti-adc081c.c | 1 -
> > drivers/iio/adc/ti-adc0832.c | 1 -
> > drivers/iio/adc/ti-adc084s021.c | 1 -
> > drivers/iio/adc/ti-adc108s102.c | 1 -
> > drivers/iio/adc/ti-adc12138.c | 1 -
> > drivers/iio/adc/ti-adc128s052.c | 1 -
> > drivers/iio/adc/ti-adc161s626.c | 1 -
> > drivers/iio/adc/ti-ads1015.c | 1 -
> > drivers/iio/adc/ti-ads124s08.c | 1 -
> > drivers/iio/adc/ti-ads7950.c | 1 -
> > drivers/iio/adc/ti-ads8344.c | 1 -
> > drivers/iio/adc/ti-ads8688.c | 1 -
> > drivers/iio/adc/ti-tlc4541.c | 1 -
> > drivers/iio/adc/ti_am335x_adc.c | 1 -
> > drivers/iio/adc/twl4030-madc.c | 1 -
> > drivers/iio/adc/twl6030-gpadc.c | 1 -
> > drivers/iio/adc/vf610_adc.c | 1 -
> > drivers/iio/adc/viperboard_adc.c | 1 -
> > drivers/iio/adc/xilinx-xadc-core.c | 1 -
> > drivers/iio/afe/iio-rescale.c | 1 -
> > drivers/iio/amplifiers/ad8366.c | 1 -
> > drivers/iio/amplifiers/hmc425a.c | 1 -
> > drivers/iio/chemical/ams-iaq-core.c | 1 -
> > drivers/iio/chemical/atlas-sensor.c | 1 -
> > drivers/iio/chemical/bme680_core.c | 1 -
> > drivers/iio/chemical/ccs811.c | 1 -
> > drivers/iio/chemical/pms7003.c | 1 -
> > drivers/iio/chemical/sgp30.c | 1 -
> > drivers/iio/chemical/sps30.c | 1 -
> > drivers/iio/chemical/vz89x.c | 1 -
> > drivers/iio/dac/ad5064.c | 1 -
> > drivers/iio/dac/ad5360.c | 1 -
> > drivers/iio/dac/ad5380.c | 1 -
> > drivers/iio/dac/ad5421.c | 1 -
> > drivers/iio/dac/ad5446.c | 2 --
> > drivers/iio/dac/ad5449.c | 1 -
> > drivers/iio/dac/ad5504.c | 1 -
> > drivers/iio/dac/ad5592r-base.c | 1 -
> > drivers/iio/dac/ad5624r_spi.c | 1 -
> > drivers/iio/dac/ad5686.c | 1 -
> > drivers/iio/dac/ad5755.c | 1 -
> > drivers/iio/dac/ad5758.c | 1 -
> > drivers/iio/dac/ad5761.c | 1 -
> > drivers/iio/dac/ad5764.c | 1 -
> > drivers/iio/dac/ad5770r.c | 1 -
> > drivers/iio/dac/ad5791.c | 1 -
> > drivers/iio/dac/ad7303.c | 1 -
> > drivers/iio/dac/ad8801.c | 1 -
> > drivers/iio/dac/cio-dac.c | 1 -
> > drivers/iio/dac/dpot-dac.c | 1 -
> > drivers/iio/dac/ds4424.c | 1 -
> > drivers/iio/dac/lpc18xx_dac.c | 1 -
> > drivers/iio/dac/ltc1660.c | 1 -
> > drivers/iio/dac/ltc2632.c | 1 -
> > drivers/iio/dac/m62332.c | 3 ---
> > drivers/iio/dac/max517.c | 3 ---
> > drivers/iio/dac/max5821.c | 1 -
> > drivers/iio/dac/mcp4725.c | 1 -
> > drivers/iio/dac/mcp4922.c | 1 -
> > drivers/iio/dac/stm32-dac.c | 1 -
> > drivers/iio/dac/ti-dac082s085.c | 1 -
> > drivers/iio/dac/ti-dac5571.c | 1 -
> > drivers/iio/dac/ti-dac7311.c | 1 -
> > drivers/iio/dac/ti-dac7612.c | 1 -
> > drivers/iio/dac/vf610_dac.c | 1 -
> > drivers/iio/dummy/iio_simple_dummy.c | 14 ++++++-----
> > drivers/iio/frequency/ad9523.c | 1 -
> > drivers/iio/frequency/adf4350.c | 1 -
> > drivers/iio/frequency/adf4371.c | 1 -
> > drivers/iio/gyro/adis16080.c | 1 -
> > drivers/iio/gyro/adis16130.c | 1 -
> > drivers/iio/gyro/adis16136.c | 1 -
> > drivers/iio/gyro/adis16260.c | 1 -
> > drivers/iio/gyro/adxrs450.c | 1 -
> > drivers/iio/gyro/bmg160_core.c | 1 -
> > drivers/iio/gyro/fxas21002c_core.c | 1 -
> > drivers/iio/gyro/hid-sensor-gyro-3d.c | 1 -
> > drivers/iio/gyro/itg3200_core.c | 1 -
> > drivers/iio/gyro/mpu3050-core.c | 1 -
> > drivers/iio/gyro/ssp_gyro_sensor.c | 1 -
> > drivers/iio/health/afe4403.c | 1 -
> > drivers/iio/health/afe4404.c | 1 -
> > drivers/iio/health/max30100.c | 1 -
> > drivers/iio/health/max30102.c | 1 -
> > drivers/iio/humidity/am2315.c | 1 -
> > drivers/iio/humidity/dht11.c | 1 -
> > drivers/iio/humidity/hdc100x.c | 1 -
> > drivers/iio/humidity/hid-sensor-humidity.c | 1 -
> > drivers/iio/humidity/hts221_core.c | 1 -
> > drivers/iio/humidity/htu21.c | 1 -
> > drivers/iio/humidity/si7005.c | 1 -
> > drivers/iio/humidity/si7020.c | 1 -
> > drivers/iio/imu/adis16400.c | 1 -
> > drivers/iio/imu/adis16460.c | 1 -
> > drivers/iio/imu/adis16475.c | 1 -
> > drivers/iio/imu/adis16480.c | 1 -
> > drivers/iio/imu/bmi160/bmi160_core.c | 1 -
> > drivers/iio/imu/fxos8700_core.c | 1 -
> > drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 1 -
> > drivers/iio/imu/kmx61.c | 1 -
> > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 1 -
> > drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c | 1 -
> > drivers/iio/industrialio-core.c | 11 +++++----
> > drivers/iio/light/acpi-als.c | 1 -
> > drivers/iio/light/adjd_s311.c | 1 -
> > drivers/iio/light/adux1020.c | 1 -
> > drivers/iio/light/al3010.c | 1 -
> > drivers/iio/light/al3320a.c | 1 -
> > drivers/iio/light/apds9300.c | 1 -
> > drivers/iio/light/apds9960.c | 1 -
> > drivers/iio/light/bh1750.c | 1 -
> > drivers/iio/light/bh1780.c | 1 -
> > drivers/iio/light/cm32181.c | 1 -
> > drivers/iio/light/cm3232.c | 1 -
> > drivers/iio/light/cm3323.c | 1 -
> > drivers/iio/light/cm3605.c | 1 -
> > drivers/iio/light/cm36651.c | 1 -
> > drivers/iio/light/gp2ap002.c | 1 -
> > drivers/iio/light/gp2ap020a00f.c | 1 -
> > drivers/iio/light/hid-sensor-als.c | 1 -
> > drivers/iio/light/hid-sensor-prox.c | 1 -
> > drivers/iio/light/iqs621-als.c | 1 -
> > drivers/iio/light/isl29018.c | 1 -
> > drivers/iio/light/isl29028.c | 1 -
> > drivers/iio/light/isl29125.c | 1 -
> > drivers/iio/light/jsa1212.c | 1 -
> > drivers/iio/light/lm3533-als.c | 2 +-
> > drivers/iio/light/ltr501.c | 1 -
> > drivers/iio/light/lv0104cs.c | 1 -
> > drivers/iio/light/max44000.c | 1 -
> > drivers/iio/light/max44009.c | 1 -
> > drivers/iio/light/noa1305.c | 1 -
> > drivers/iio/light/opt3001.c | 1 -
> > drivers/iio/light/pa12203001.c | 1 -
> > drivers/iio/light/rpr0521.c | 1 -
> > drivers/iio/light/si1133.c | 1 -
> > drivers/iio/light/si1145.c | 1 -
> > drivers/iio/light/st_uvis25_core.c | 1 -
> > drivers/iio/light/stk3310.c | 1 -
> > drivers/iio/light/tcs3414.c | 1 -
> > drivers/iio/light/tcs3472.c | 1 -
> > drivers/iio/light/tsl2563.c | 1 -
> > drivers/iio/light/tsl2583.c | 1 -
> > drivers/iio/light/tsl2772.c | 1 -
> > drivers/iio/light/tsl4531.c | 1 -
> > drivers/iio/light/us5182d.c | 1 -
> > drivers/iio/light/vcnl4000.c | 1 -
> > drivers/iio/light/vcnl4035.c | 1 -
> > drivers/iio/light/veml6030.c | 1 -
> > drivers/iio/light/veml6070.c | 1 -
> > drivers/iio/light/vl6180.c | 1 -
> > drivers/iio/light/zopt2201.c | 1 -
> > drivers/iio/magnetometer/ak8974.c | 1 -
> > drivers/iio/magnetometer/ak8975.c | 1 -
> > drivers/iio/magnetometer/bmc150_magn.c | 1 -
> > drivers/iio/magnetometer/hid-sensor-magn-3d.c | 1 -
> > drivers/iio/magnetometer/hmc5843_core.c | 1 -
> > drivers/iio/magnetometer/mag3110.c | 1 -
> > drivers/iio/magnetometer/mmc35240.c | 1 -
> > drivers/iio/magnetometer/rm3100-core.c | 1 -
> > drivers/iio/multiplexer/iio-mux.c | 1 -
> > drivers/iio/orientation/hid-sensor-incl-3d.c | 1 -
> > drivers/iio/orientation/hid-sensor-rotation.c | 1 -
> > drivers/iio/position/iqs624-pos.c | 1 -
> > drivers/iio/potentiometer/ad5272.c | 1 -
> > drivers/iio/potentiometer/ds1803.c | 1 -
> > drivers/iio/potentiometer/max5432.c | 1 -
> > drivers/iio/potentiometer/max5481.c | 1 -
> > drivers/iio/potentiometer/max5487.c | 1 -
> > drivers/iio/potentiometer/mcp4018.c | 1 -
> > drivers/iio/potentiometer/mcp41010.c | 1 -
> > drivers/iio/potentiometer/mcp4131.c | 1 -
> > drivers/iio/potentiometer/mcp4531.c | 1 -
> > drivers/iio/potentiometer/tpl0102.c | 1 -
> > drivers/iio/potentiostat/lmp91000.c | 1 -
> > drivers/iio/pressure/abp060mg.c | 1 -
> > drivers/iio/pressure/bmp280-core.c | 1 -
> > drivers/iio/pressure/dlhl60d.c | 1 -
> > drivers/iio/pressure/dps310.c | 1 -
> > drivers/iio/pressure/hid-sensor-press.c | 1 -
> > drivers/iio/pressure/hp03.c | 1 -
> > drivers/iio/pressure/hp206c.c | 1 -
> > drivers/iio/pressure/icp10100.c | 1 -
> > drivers/iio/pressure/mpl115.c | 1 -
> > drivers/iio/pressure/mpl3115.c | 1 -
> > drivers/iio/pressure/ms5637.c | 1 -
> > drivers/iio/pressure/t5403.c | 1 -
> > drivers/iio/pressure/zpa2326.c | 1 -
> > drivers/iio/proximity/as3935.c | 1 -
> > drivers/iio/proximity/isl29501.c | 1 -
> > drivers/iio/proximity/mb1232.c | 1 -
> > drivers/iio/proximity/ping.c | 1 -
> > .../iio/proximity/pulsedlight-lidar-lite-v2.c | 1 -
> > drivers/iio/proximity/rfd77402.c | 1 -
> > drivers/iio/proximity/srf04.c | 1 -
> > drivers/iio/proximity/srf08.c | 1 -
> > drivers/iio/proximity/sx9310.c | 1 -
> > drivers/iio/proximity/sx9500.c | 1 -
> > drivers/iio/proximity/vl53l0x-i2c.c | 1 -
> > drivers/iio/resolver/ad2s1200.c | 1 -
> > drivers/iio/resolver/ad2s90.c | 1 -
> > .../iio/temperature/hid-sensor-temperature.c | 1 -
> > drivers/iio/temperature/iqs620at-temp.c | 1 -
> > drivers/iio/temperature/ltc2983.c | 1 -
> > drivers/iio/temperature/max31856.c | 1 -
> > drivers/iio/temperature/maxim_thermocouple.c | 1 -
> > drivers/iio/temperature/mlx90614.c | 1 -
> > drivers/iio/temperature/mlx90632.c | 1 -
> > drivers/iio/temperature/tmp006.c | 1 -
> > drivers/iio/temperature/tmp007.c | 1 -
> > drivers/iio/temperature/tsys01.c | 1 -
> > drivers/iio/temperature/tsys02d.c | 1 -
> > drivers/iio/trigger/stm32-timer-trigger.c | 1 -
> > drivers/input/touchscreen/tsc2007_iio.c | 1 -
> > drivers/platform/x86/toshiba_acpi.c | 3 +--
> > drivers/staging/iio/Documentation/device.txt | 4 +---
> > drivers/staging/iio/accel/adis16203.c | 1 -
> > drivers/staging/iio/accel/adis16240.c | 1 -
> > drivers/staging/iio/adc/ad7280a.c | 1 -
> > drivers/staging/iio/adc/ad7816.c | 1 -
> > drivers/staging/iio/addac/adt7316.c | 1 -
> > drivers/staging/iio/cdc/ad7150.c | 2 --
> > drivers/staging/iio/cdc/ad7746.c | 2 --
> > drivers/staging/iio/frequency/ad9832.c | 1 -
> > drivers/staging/iio/frequency/ad9834.c | 1 -
> > .../staging/iio/impedance-analyzer/ad5933.c | 1 -
> > drivers/staging/iio/resolver/ad2s1210.c | 1 -
> > include/linux/iio/iio.h | 24 +++++++++++++++++--
> > 335 files changed, 39 insertions(+), 358 deletions(-)
> >

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