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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-22 09:45:11 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-22 09:45:11 +0200
commitb290f902b857d75a5eaeb0aa8d0a12fbc8312699 (patch)
treef7c9b88995750ca5adb25fc9dc25ea046df785e7 /drivers/iio/imu/adis16400.c
parent93b61540dfa56b2385ec188a29615e062cd571be (diff)
parent596fd0162ac70c2253041e60394ecb5cccb15b07 (diff)
downloadlinux-b290f902b857d75a5eaeb0aa8d0a12fbc8312699.tar.bz2
Merge tag 'iio-for-5.10b-take2' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes: Second set of features and cleanups for IIO in 5.10 We have a couple of changes that apply to large sets of drivers, so I have grouped those to keep this short. There are a few late breaking fixes in here that can wait for the merge window. dt yaml conversions ------------------- * adi,ad7768-1 * adi,ad7949 * aspeed,ast2400 * cosmic,10001-adc * dlg,da9150-gpadc * fsl,imx25-gcq * fsl,imx7d-adc * fsl,vf610 * holt,hi8435 * marvell,berlin2-adc * motorola,cpcap-adc * nuvoton,nau7802 * nuvoton,npcm750-adc * nxp,lpc1850-adc * nxp,lpc3220 * sprd,sc2720-adc * st,stmpe-adc * ti,adc12138 * ti,ads1015 * ti,ads7950 * ti,twl4030-madc Features -------- * adxrs290 - Add triggered buffer support and expose data ready signal as a possible trigger. Includes updating bindings. - Add debugfs hooks for register access. * mlx90632 - Add a clear user interface to override the measured ambient temperature. * vl53l0x - Add IRQ support including dt bindings. Cleanups and minor fixes ------------------------ (groups) Replace mlock with local lock: * adf4350 * exynos-adc * fls-imx25-gcq * stm32-dac devm use to simplify probe error handling and remove functions. * adis16201 * adis16203 * adis16209 * adis16240 * adis16136 * adis16260 * adis16400 * adis16460 * adis16480 * adis library - drop unused adis_setup_buffer_and_trigger() of_match_ptr removal and incorrect ACPI binding removal of_match_ptr() rarely makes sense in an IIO driver as space saving is trivial and it breaks ACPI PRP0001 based instantiation. Mostly this series is about removing examples that get copied into new drivers. * ad2s1200 * ad5272 * ad5446 * ad5592r * ad5593r * ad5703 * ak8974 * ak8975 * ams-iaq-core * as3935 * atlas-sensor * ds1803 * hdc100x * htu21 * icp10100 * lmp91000 * pulsedlight * max30102 * max5432 * max5481 * mcp4018 * mcp4131 * mcp4531 * mcp4725 * ms5611 * ms5637 * si7020 * sgp30 * ti-dac082s085 * ti-dac5571 * tmp007 * tsys01 * vz89x * zpa2326 kernel-doc fixes * iio-core * ad7303 * ad7947 * adis16080 * adis16400 * iio_dummy_evgen * sgp30 Fixes for buffer alignment when passed to iio_push_to_buffers_with_timestamp() This is a long running effort. There are a few more drivers to come. * inv_mpu6050 * itg3200 * si1145 * st_lsm6dsx * ti-adc0832 * ti-adc12138 (not driver focused) * MAINTAINERS - Consolidate Analog Device IIO entries whilst removing Beniamin Bia. - Remove Hartmut Knaack as a listed IIO maintainer as he hasn't been active for a long time and people are getting intermitted bounces. * Add __printf() markings to a few functions that were missing them. * drop some rotted documentation from staging. * rework buffer sysfs file creation (precursor to multiple buffer support) (individual drivers) * ad5592r - Fix use of true for IIO_SHARED_BY_TYPE - Tidy up locking and indentation. * ad9467 - Improve error message on chip-id missmatch. - Use more appropriate error value if chip-id not recognised. * adis-library - Simplify burst mode handling. * adxrs290 - Make sure to switch device to standby mode during remove. * as73211 - Increase measurement timeout as seems some devices are slower. * bma180 - Fix use of true fo IIO_SHARED_BY_TYPE * exynos_adc - Update binding to require second interrut with touch screen. - Update binding to not require syscon on S5Pv210 * hmc5843 - Fix use of true for IIO_SHARED_BY_TYPE * inv_mpu6050 - Use regmap_noinc_read() for fifo reading. * palmas_gpadc - Use module_platform_driver() to remove boilerplate. * meson-saradc - style consistency fixes * rockchip_saradc - Allow compile testing with !ARM. * st_lsm6dsx - Changing scaling factor to use IIO_VAL_INT_PLUS_NANO to improve precision. - Fix an issue with unchecked return value. * stm32-adc - Fix a missing return introduced in dev_err_probe() patch earlier in cycle. * sx9310 - Prefer async mode for probe as paticularly slow startup. * vcnl4000 - Add missing interrupt property to dt binding. * tag 'iio-for-5.10b-take2' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (126 commits) dt-bindings: iio: vishay,vcnl4000: add interrupts property iio:imu:inv_mpu6050: Use regmap_noinc_read for fifo reads. iio:imu:inv_mpu6050 Fix dma and ts alignment and data leak issues. iio:adc:ti-adc12138 Fix alignment issue with timestamp iio:adc:ti-adc0832 Fix alignment issue with timestamp iio:imu:st_lsm6dsx Fix alignment and data leak issues iio:light:si1145: Fix timestamp alignment and prevent data leak. iio:gyro:itg3200: Fix timestamp alignment and prevent data leak. iio:imu:st_lsm6dsx: check st_lsm6dsx_shub_read_output return iio: adc: exynos_adc: Replace indio_dev->mlock with own device lock dt-bindings:iio:adc:holt,hi8435 yaml conversion dt-bindings:iio:adc:adi,ad7768-1 yaml conversion dt-bindings:iio:adc:adi,ad7949 yaml conversion dt-bindings:iio:adc:dlg,da9150-gpadc yaml conversion dt-bindings:iio:adc:motorola,cpcap-adc yaml conversion dt-bindings:iio:adc:nxp,lpc3220-adc yaml conversion dt-bindings:iio:adc:nxp,lpc1850-adc yaml conversion dt-bindings:iio:adc:fsl,imx25-gcq yaml conversion dt-bindings:iio:adc:fsl,imx7d-adc yaml conversion dt-bindings:iio:adc:ti,ads1015 yaml conversion ...
Diffstat (limited to 'drivers/iio/imu/adis16400.c')
-rw-r--r--drivers/iio/imu/adis16400.c72
1 files changed, 30 insertions, 42 deletions
diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 1ebe3e50d3e6..54af2ed664f6 100644
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -173,6 +173,8 @@ struct adis16400_chip_info {
* @variant: chip variant info
* @filt_int: integer part of requested filter frequency
* @adis: adis device
+ * @avail_scan_mask: NULL terminated array of bitmaps of channels
+ * that must be enabled together
**/
struct adis16400_state {
struct adis16400_chip_info *variant;
@@ -317,11 +319,6 @@ enum adis16400_chip_variant {
ADIS16448,
};
-static struct adis_burst adis16400_burst = {
- .en = true,
- .reg_cmd = ADIS16400_GLOB_CMD,
-};
-
static int adis16334_get_freq(struct adis16400_state *st)
{
int ret;
@@ -947,7 +944,7 @@ static const char * const adis16400_status_error_msgs[] = {
[ADIS16400_DIAG_STAT_POWER_LOW] = "Power supply below 4.75V",
};
-#define ADIS16400_DATA(_timeouts) \
+#define ADIS16400_DATA(_timeouts, _burst_len) \
{ \
.msc_ctrl_reg = ADIS16400_MSC_CTRL, \
.glob_cmd_reg = ADIS16400_GLOB_CMD, \
@@ -973,6 +970,8 @@ static const char * const adis16400_status_error_msgs[] = {
BIT(ADIS16400_DIAG_STAT_POWER_HIGH) | \
BIT(ADIS16400_DIAG_STAT_POWER_LOW), \
.timeouts = (_timeouts), \
+ .burst_reg_cmd = ADIS16400_GLOB_CMD, \
+ .burst_len = (_burst_len) \
}
static const struct adis_timeout adis16300_timeouts = {
@@ -1023,7 +1022,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 140000, /* 25 C = 0x00 */
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16300_timeouts, 18),
},
[ADIS16334] = {
.channels = adis16334_channels,
@@ -1036,7 +1035,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 67850, /* 25 C = 0x00 */
.set_freq = adis16334_set_freq,
.get_freq = adis16334_get_freq,
- .adis_data = ADIS16400_DATA(&adis16334_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16334_timeouts, 0),
},
[ADIS16350] = {
.channels = adis16350_channels,
@@ -1048,7 +1047,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.flags = ADIS16400_NO_BURST | ADIS16400_HAS_SLOW_MODE,
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16300_timeouts, 0),
},
[ADIS16360] = {
.channels = adis16350_channels,
@@ -1061,7 +1060,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16300_timeouts, 28),
},
[ADIS16362] = {
.channels = adis16350_channels,
@@ -1074,7 +1073,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16362_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16362_timeouts, 28),
},
[ADIS16364] = {
.channels = adis16350_channels,
@@ -1087,7 +1086,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16362_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16362_timeouts, 28),
},
[ADIS16367] = {
.channels = adis16350_channels,
@@ -1100,7 +1099,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 136000, /* 25 C = 0x00 */
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16300_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16300_timeouts, 28),
},
[ADIS16400] = {
.channels = adis16400_channels,
@@ -1112,7 +1111,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 25000000 / 140000, /* 25 C = 0x00 */
.set_freq = adis16400_set_freq,
.get_freq = adis16400_get_freq,
- .adis_data = ADIS16400_DATA(&adis16400_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16400_timeouts, 24),
},
[ADIS16445] = {
.channels = adis16445_channels,
@@ -1126,7 +1125,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 31000000 / 73860, /* 31 C = 0x00 */
.set_freq = adis16334_set_freq,
.get_freq = adis16334_get_freq,
- .adis_data = ADIS16400_DATA(&adis16445_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16445_timeouts, 16),
},
[ADIS16448] = {
.channels = adis16448_channels,
@@ -1140,7 +1139,7 @@ static struct adis16400_chip_info adis16400_chips[] = {
.temp_offset = 31000000 / 73860, /* 31 C = 0x00 */
.set_freq = adis16334_set_freq,
.get_freq = adis16334_get_freq,
- .adis_data = ADIS16400_DATA(&adis16448_timeouts),
+ .adis_data = ADIS16400_DATA(&adis16448_timeouts, 24),
}
};
@@ -1164,6 +1163,12 @@ static void adis16400_setup_chan_mask(struct adis16400_state *st)
st->avail_scan_mask[0] |= BIT(ch->scan_index);
}
}
+
+static void adis16400_stop(void *data)
+{
+ adis16400_stop_device(data);
+}
+
static int adis16400_probe(struct spi_device *spi)
{
struct adis16400_state *st;
@@ -1190,9 +1195,6 @@ static int adis16400_probe(struct spi_device *spi)
if (!(st->variant->flags & ADIS16400_NO_BURST)) {
adis16400_setup_chan_mask(st);
indio_dev->available_scan_masks = st->avail_scan_mask;
- st->adis.burst = &adis16400_burst;
- if (st->variant->flags & ADIS16400_BURST_DIAG_STAT)
- st->adis.burst_extra_len = sizeof(u16);
}
adis16400_data = &st->variant->adis_data;
@@ -1201,37 +1203,24 @@ static int adis16400_probe(struct spi_device *spi)
if (ret)
return ret;
- ret = adis_setup_buffer_and_trigger(&st->adis, indio_dev,
- adis16400_trigger_handler);
+ ret = devm_adis_setup_buffer_and_trigger(&st->adis, indio_dev, adis16400_trigger_handler);
if (ret)
return ret;
/* Get the device into a sane initial state */
ret = adis16400_initial_setup(indio_dev);
if (ret)
- goto error_cleanup_buffer;
- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_cleanup_buffer;
-
- adis16400_debugfs_init(indio_dev);
- return 0;
-
-error_cleanup_buffer:
- adis_cleanup_buffer_and_trigger(&st->adis, indio_dev);
- return ret;
-}
-
-static int adis16400_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct adis16400_state *st = iio_priv(indio_dev);
+ return ret;
- iio_device_unregister(indio_dev);
- adis16400_stop_device(indio_dev);
+ ret = devm_add_action_or_reset(&spi->dev, adis16400_stop, indio_dev);
+ if (ret)
+ return ret;
- adis_cleanup_buffer_and_trigger(&st->adis, indio_dev);
+ ret = devm_iio_device_register(&spi->dev, indio_dev);
+ if (ret)
+ return ret;
+ adis16400_debugfs_init(indio_dev);
return 0;
}
@@ -1261,7 +1250,6 @@ static struct spi_driver adis16400_driver = {
},
.id_table = adis16400_id,
.probe = adis16400_probe,
- .remove = adis16400_remove,
};
module_spi_driver(adis16400_driver);