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Staging/IIO fixes for 5.11-rc5 

Here are some IIO driver fixes for 5.11-rc5 to resolve some reported
 problems.
 
 Nothing major, just a few small fixes, all of these have been in
 linux-next for a while and full details are in the shortlog.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are some IIO driver fixes for 5.11-rc5 to resolve some reported
  problems.

  Nothing major, just a few small fixes, all of these have been in
  linux-next for a while and full details are in the shortlog"

* tag 'staging-5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  iio: sx9310: Fix semtech,avg-pos-strength setting when > 16
  iio: common: st_sensors: fix possible infinite loop in st_sensors_irq_thread
  iio: ad5504: Fix setting power-down state
  counter:ti-eqep: remove floor
  drivers: iio: temperature: Add delay after the addressed reset command in mlx90632.c
  iio: adc: ti_am335x_adc: remove omitted iio_kfifo_free()
  dt-bindings: iio: accel: bma255: Fix bmc150/bmi055 compatible
  iio: sx9310: Off by one in sx9310_read_thresh()
master
Linus Torvalds 2021-01-24 11:02:01 -08:00
parent 4da81fa210 a1bfb0ccf9
commit 832bceefa0
7 changed files with 31 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/devicetree/bindings/iio/accel/bosch,bma255.yaml
View File

@ -16,8 +16,8 @@ description:
properties:
compatible:
enum:
- bosch,bmc150
- bosch,bmi055
- bosch,bmc150_accel
- bosch,bmi055_accel
- bosch,bma255
- bosch,bma250e
- bosch,bma222

35
drivers/counter/ti-eqep.c
View File

@ -235,36 +235,6 @@ static ssize_t ti_eqep_position_ceiling_write(struct counter_device *counter,
return len;
}
static ssize_t ti_eqep_position_floor_read(struct counter_device *counter,
struct counter_count *count,
void *ext_priv, char *buf)
{
struct ti_eqep_cnt *priv = counter->priv;
u32 qposinit;
regmap_read(priv->regmap32, QPOSINIT, &qposinit);
return sprintf(buf, "%u\n", qposinit);
}
static ssize_t ti_eqep_position_floor_write(struct counter_device *counter,
struct counter_count *count,
void *ext_priv, const char *buf,
size_t len)
{
struct ti_eqep_cnt *priv = counter->priv;
int err;
u32 res;
err = kstrtouint(buf, 0, &res);
if (err < 0)
return err;
regmap_write(priv->regmap32, QPOSINIT, res);
return len;
}
static ssize_t ti_eqep_position_enable_read(struct counter_device *counter,
struct counter_count *count,
void *ext_priv, char *buf)
@ -301,11 +271,6 @@ static struct counter_count_ext ti_eqep_position_ext[] = {
.read = ti_eqep_position_ceiling_read,
.write = ti_eqep_position_ceiling_write,
},
{
.name = "floor",
.read = ti_eqep_position_floor_read,
.write = ti_eqep_position_floor_write,
},
{
.name = "enable",
.read = ti_eqep_position_enable_read,

6
drivers/iio/adc/ti_am335x_adc.c
View File

@ -397,16 +397,12 @@ static int tiadc_iio_buffered_hardware_setup(struct device *dev,
ret = devm_request_threaded_irq(dev, irq, pollfunc_th, pollfunc_bh,
flags, indio_dev->name, indio_dev);
if (ret)
goto error_kfifo_free;
return ret;
indio_dev->setup_ops = setup_ops;
indio_dev->modes |= INDIO_BUFFER_SOFTWARE;
return 0;
error_kfifo_free:
iio_kfifo_free(indio_dev->buffer);
return ret;
}
static const char * const chan_name_ain[] = {

31
drivers/iio/common/st_sensors/st_sensors_trigger.c
View File

@ -23,35 +23,31 @@
* @sdata: Sensor data.
*
* returns:
* 0 - no new samples available
* 1 - new samples available
* negative - error or unknown
* false - no new samples available or read error
* true - new samples available
*/
static int st_sensors_new_samples_available(struct iio_dev *indio_dev,
struct st_sensor_data *sdata)
static bool st_sensors_new_samples_available(struct iio_dev *indio_dev,
struct st_sensor_data *sdata)
{
int ret, status;
/* How would I know if I can't check it? */
if (!sdata->sensor_settings->drdy_irq.stat_drdy.addr)
return -EINVAL;
return true;
/* No scan mask, no interrupt */
if (!indio_dev->active_scan_mask)
return 0;
return false;
ret = regmap_read(sdata->regmap,
sdata->sensor_settings->drdy_irq.stat_drdy.addr,
&status);
if (ret < 0) {
dev_err(sdata->dev, "error checking samples available\n");
return ret;
return false;
}
if (status & sdata->sensor_settings->drdy_irq.stat_drdy.mask)
return 1;
return 0;
return !!(status & sdata->sensor_settings->drdy_irq.stat_drdy.mask);
}
/**
@ -180,9 +176,15 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
/* Tell the interrupt handler that we're dealing with edges */
if (irq_trig == IRQF_TRIGGER_FALLING ||
irq_trig == IRQF_TRIGGER_RISING)
irq_trig == IRQF_TRIGGER_RISING) {
if (!sdata->sensor_settings->drdy_irq.stat_drdy.addr) {
dev_err(&indio_dev->dev,
"edge IRQ not supported w/o stat register.\n");
err = -EOPNOTSUPP;
goto iio_trigger_free;
}
sdata->edge_irq = true;
else
} else {
/*
* If we're not using edges (i.e. level interrupts) we
* just mask off the IRQ, handle one interrupt, then
@ -190,6 +192,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
* interrupt handler top half again and start over.
*/
irq_trig |= IRQF_ONESHOT;
}
/*
* If the interrupt pin is Open Drain, by definition this

4
drivers/iio/dac/ad5504.c
View File

@ -187,9 +187,9 @@ static ssize_t ad5504_write_dac_powerdown(struct iio_dev *indio_dev,
return ret;
if (pwr_down)
st->pwr_down_mask |= (1 << chan->channel);
else
st->pwr_down_mask &= ~(1 << chan->channel);
else
st->pwr_down_mask |= (1 << chan->channel);
ret = ad5504_spi_write(st, AD5504_ADDR_CTRL,
AD5504_DAC_PWRDWN_MODE(st->pwr_down_mode) |

5
drivers/iio/proximity/sx9310.c
View File

@ -601,7 +601,7 @@ static int sx9310_read_thresh(struct sx9310_data *data,
return ret;
regval = FIELD_GET(SX9310_REG_PROX_CTRL8_9_PTHRESH_MASK, regval);
if (regval > ARRAY_SIZE(sx9310_pthresh_codes))
if (regval >= ARRAY_SIZE(sx9310_pthresh_codes))
return -EINVAL;
*val = sx9310_pthresh_codes[regval];
@ -1305,7 +1305,8 @@ sx9310_get_default_reg(struct sx9310_data *data, int i,
if (ret)
break;
pos = min(max(ilog2(pos), 3), 10) - 3;
/* Powers of 2, except for a gap between 16 and 64 */
pos = clamp(ilog2(pos), 3, 11) - (pos >= 32 ? 4 : 3);
reg_def->def &= ~SX9310_REG_PROX_CTRL7_AVGPOSFILT_MASK;
reg_def->def |= FIELD_PREP(SX9310_REG_PROX_CTRL7_AVGPOSFILT_MASK,
pos);

6
drivers/iio/temperature/mlx90632.c
View File

@ -248,6 +248,12 @@ static int mlx90632_set_meas_type(struct regmap *regmap, u8 type)
if (ret < 0)
return ret;
/*
* Give the mlx90632 some time to reset properly before sending a new I2C command
* if this is not done, the following I2C command(s) will not be accepted.
*/
usleep_range(150, 200);
ret = regmap_write_bits(regmap, MLX90632_REG_CONTROL,
(MLX90632_CFG_MTYP_MASK | MLX90632_CFG_PWR_MASK),
(MLX90632_MTYP_STATUS(type) | MLX90632_PWR_STATUS_HALT));