| Message ID | 20201203100423.77270-1-alexandru.ardelean@analog.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | iio: move 'modes' initialization to core | expand |
On Thu, 3 Dec 2020 12:04:18 +0200 Alexandru Ardelean <alexandru.ardelean@analog.com> wrote: > I stumbled over this, while trying to implement some changes to the IIO > buffer logic. > Seems that most drivers have a INDIO_DIRECT_MODE, and some have > INDIO_BUFFER_SOFTWARE only as a workaround for not having multiple IIO > buffer-support-per-IIO-device (yet). Examples of that particular corner case would be good from a discussion point of view. It's been a while though and those cases were always 'interesting' so I may have misremembered how it works! It is definitely also used to indicate cases where there is no trigger to expose (usually devices doing DMA blocks or using a fifo). That was the original intent IIRC. > > Since a lot of drivers seem to only support INDIO_DIRECT_MODE, it begs the > question whether this starts to make sense as a default 'modes' > initialization. Hmm. Do we need to set it at all, or can we just make it implicit? I'm not sure if that is semantically worse than having it set by default or not. Thinking about it I think we do want to set it just for consistency purposes. I'm a bit in two minds about this set. It obviously is a noop from functional point of view, but it's kind of nice to see the modes explicitly called out. I guess we started walking down this route anyway when we set IIO_TRIGGERED_BUFFER inside those setup routines. The bit that bothers me is that it isn't really a 'default' as such it just the most common value. I wonder if we could be more clever and set it only if there as a channel with _RAW or _PROCESSED though that would involve moving it to the registration rather than creation. Jonathan > > It opens up the idea of hiding 'indio_dev->modes' inside IIO core, with > functions like '{devm_}iio_triggered_buffer_setup()' being able to extend > the setup of these 'modes'. > This idea is far from being ready, but I thought I'd try this RFC instead > as a discussion starter in that direction. > > Alexandru Ardelean (5): > iio: core: initialize 'modes' to INDIO_DIRECT_MODE by default > iio,counter: remove modes init for INDIO_DIRECT_MODE only drivers > iio: remove modes init for INDIO_DIRECT_MODE only drivers (manual) > iio: adc: ad7768-1: remove explicit modes initialization > iio: magnetometer: rm3100: remove explicit modes initialization > > drivers/counter/104-quad-8.c | 1 - > drivers/iio/accel/adis16201.c | 1 - > drivers/iio/accel/adis16209.c | 1 - > drivers/iio/accel/adxl345_core.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/st_accel_core.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 | 1 - > 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 | 1 - > 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_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/da9150-gpadc.c | 1 - > drivers/iio/adc/dln2-adc.c | 1 - > drivers/iio/adc/ep93xx_adc.c | 1 - > drivers/iio/adc/exynos_adc.c | 1 - > drivers/iio/adc/hi8435.c | 1 - > drivers/iio/adc/hx711.c | 1 - > drivers/iio/adc/imx7d_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/ltc2497-core.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 | 1 - > 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/mp2629_adc.c | 1 - > drivers/iio/adc/mt6360-adc.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/spear_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-ezo-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/scd30_core.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 | 1 - > 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 | 1 - > drivers/iio/dac/max517.c | 1 - > 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 | 3 --- > 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/adxrs290.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/st_gyro_core.c | 1 - > drivers/iio/health/afe4403.c | 1 - > drivers/iio/health/afe4404.c | 1 - > drivers/iio/humidity/am2315.c | 1 - > drivers/iio/humidity/dht11.c | 1 - > drivers/iio/humidity/hdc100x.c | 1 - > drivers/iio/humidity/hdc2010.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/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 | 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/as73211.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 | 1 - > drivers/iio/light/ltr501.c | 1 - > drivers/iio/light/lv0104cs.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/magnetometer/st_magn_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/max5481.c | 1 - > drivers/iio/potentiometer/max5487.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/ms5611_core.c | 1 - > drivers/iio/pressure/ms5637.c | 1 - > drivers/iio/pressure/st_pressure_core.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 - > drivers/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/vcnl3020.c | 1 - > drivers/iio/proximity/vl53l0x-i2c.c | 1 - > drivers/iio/resolver/ad2s1200.c | 1 - > drivers/iio/resolver/ad2s90.c | 1 - > drivers/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/input/touchscreen/tsc2007_iio.c | 1 - > drivers/platform/x86/toshiba_acpi.c | 1 - > 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 | 1 - > drivers/staging/iio/frequency/ad9832.c | 1 - > drivers/staging/iio/frequency/ad9834.c | 1 - > drivers/staging/iio/meter/ade7854.c | 1 - > drivers/staging/iio/resolver/ad2s1210.c | 1 - > 319 files changed, 1 insertion(+), 321 deletions(-) >
On Sat, Dec 5, 2020 at 8:42 PM Jonathan Cameron <jic23@kernel.org> wrote: > > On Thu, 3 Dec 2020 12:04:18 +0200 > Alexandru Ardelean <alexandru.ardelean@analog.com> wrote: > > > I stumbled over this, while trying to implement some changes to the IIO > > buffer logic. > > Seems that most drivers have a INDIO_DIRECT_MODE, and some have > > INDIO_BUFFER_SOFTWARE only as a workaround for not having multiple IIO > > buffer-support-per-IIO-device (yet). > > Examples of that particular corner case would be good from a discussion > point of view. > > It's been a while though and those cases were always 'interesting' > so I may have misremembered how it works! > > It is definitely also used to indicate cases where there is no trigger > to expose (usually devices doing DMA blocks or using a fifo). > That was the original intent IIRC. > > > > > Since a lot of drivers seem to only support INDIO_DIRECT_MODE, it begs the > > question whether this starts to make sense as a default 'modes' > > initialization. > > Hmm. Do we need to set it at all, or can we just make it implicit? > I'm not sure if that is semantically worse than having it set by default > or not. Thinking about it I think we do want to set it just for > consistency purposes. > > I'm a bit in two minds about this set. It obviously is a noop from > functional point of view, but it's kind of nice to see the modes > explicitly called out. I guess we started walking down this route > anyway when we set IIO_TRIGGERED_BUFFER inside those setup routines. > > The bit that bothers me is that it isn't really a 'default' as such > it just the most common value. I wonder if we could be more clever > and set it only if there as a channel with _RAW or _PROCESSED > though that would involve moving it to the registration rather than > creation. I'll try to think about it a bit more as well. I stumbled over this while trying to organize the modes a bit with triggered-buffer, kfifo and stuff like that. And this was a quick draft to start a discussion. But, maybe after some IIO devices get merged into a single IIO device [with multiple buffers], this would be a little easier to do. > > Jonathan > > > > > It opens up the idea of hiding 'indio_dev->modes' inside IIO core, with > > functions like '{devm_}iio_triggered_buffer_setup()' being able to extend > > the setup of these 'modes'. > > This idea is far from being ready, but I thought I'd try this RFC instead > > as a discussion starter in that direction. > > > > Alexandru Ardelean (5): > > iio: core: initialize 'modes' to INDIO_DIRECT_MODE by default > > iio,counter: remove modes init for INDIO_DIRECT_MODE only drivers > > iio: remove modes init for INDIO_DIRECT_MODE only drivers (manual) > > iio: adc: ad7768-1: remove explicit modes initialization > > iio: magnetometer: rm3100: remove explicit modes initialization > > > > drivers/counter/104-quad-8.c | 1 - > > drivers/iio/accel/adis16201.c | 1 - > > drivers/iio/accel/adis16209.c | 1 - > > drivers/iio/accel/adxl345_core.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/st_accel_core.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 | 1 - > > 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 | 1 - > > 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_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/da9150-gpadc.c | 1 - > > drivers/iio/adc/dln2-adc.c | 1 - > > drivers/iio/adc/ep93xx_adc.c | 1 - > > drivers/iio/adc/exynos_adc.c | 1 - > > drivers/iio/adc/hi8435.c | 1 - > > drivers/iio/adc/hx711.c | 1 - > > drivers/iio/adc/imx7d_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/ltc2497-core.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 | 1 - > > 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/mp2629_adc.c | 1 - > > drivers/iio/adc/mt6360-adc.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/spear_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-ezo-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/scd30_core.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 | 1 - > > 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 | 1 - > > drivers/iio/dac/max517.c | 1 - > > 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 | 3 --- > > 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/adxrs290.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/st_gyro_core.c | 1 - > > drivers/iio/health/afe4403.c | 1 - > > drivers/iio/health/afe4404.c | 1 - > > drivers/iio/humidity/am2315.c | 1 - > > drivers/iio/humidity/dht11.c | 1 - > > drivers/iio/humidity/hdc100x.c | 1 - > > drivers/iio/humidity/hdc2010.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/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 | 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/as73211.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 | 1 - > > drivers/iio/light/ltr501.c | 1 - > > drivers/iio/light/lv0104cs.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/magnetometer/st_magn_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/max5481.c | 1 - > > drivers/iio/potentiometer/max5487.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/ms5611_core.c | 1 - > > drivers/iio/pressure/ms5637.c | 1 - > > drivers/iio/pressure/st_pressure_core.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 - > > drivers/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/vcnl3020.c | 1 - > > drivers/iio/proximity/vl53l0x-i2c.c | 1 - > > drivers/iio/resolver/ad2s1200.c | 1 - > > drivers/iio/resolver/ad2s90.c | 1 - > > drivers/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/input/touchscreen/tsc2007_iio.c | 1 - > > drivers/platform/x86/toshiba_acpi.c | 1 - > > 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 | 1 - > > drivers/staging/iio/frequency/ad9832.c | 1 - > > drivers/staging/iio/frequency/ad9834.c | 1 - > > drivers/staging/iio/meter/ade7854.c | 1 - > > drivers/staging/iio/resolver/ad2s1210.c | 1 - > > 319 files changed, 1 insertion(+), 321 deletions(-) > > >
I stumbled over this, while trying to implement some changes to the IIO buffer logic. Seems that most drivers have a INDIO_DIRECT_MODE, and some have INDIO_BUFFER_SOFTWARE only as a workaround for not having multiple IIO buffer-support-per-IIO-device (yet). Since a lot of drivers seem to only support INDIO_DIRECT_MODE, it begs the question whether this starts to make sense as a default 'modes' initialization. It opens up the idea of hiding 'indio_dev->modes' inside IIO core, with functions like '{devm_}iio_triggered_buffer_setup()' being able to extend the setup of these 'modes'. This idea is far from being ready, but I thought I'd try this RFC instead as a discussion starter in that direction. Alexandru Ardelean (5): iio: core: initialize 'modes' to INDIO_DIRECT_MODE by default iio,counter: remove modes init for INDIO_DIRECT_MODE only drivers iio: remove modes init for INDIO_DIRECT_MODE only drivers (manual) iio: adc: ad7768-1: remove explicit modes initialization iio: magnetometer: rm3100: remove explicit modes initialization drivers/counter/104-quad-8.c | 1 - drivers/iio/accel/adis16201.c | 1 - drivers/iio/accel/adis16209.c | 1 - drivers/iio/accel/adxl345_core.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 - 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