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1st set of IIO fixes for 6.3 

Usual mixed bag:
 
 - core - output buffers
   Fix return of bytes written when only some succeed.
   Fix O_NONBLOCK handling to not block.
 
 - adi,ad7791
   Fix IRQ type.  Not confirmed to have any impact but good to correct it anyway
 
 - adi,adis16400
   Missing CONFIG_CRC32
 
 - capella,cm32181
   Unregister 2nd I2C client if one is used.
 
 - cio-dac
   Fix bitdepth for range check on write.
 
 - linear,ltc2497
   Fix a wrong shift of the LSB introduced when switching to be24 handling.
 
 - maxim,max11410
   Fix handling of return code in read_poll_timeout()
 
 - qcom,spmi-adc
   Fix an accidental change of channel name to include the reg value from OF.
 
 - ti,palmas
   Fix a null dereference on remove due to wrong function used to get the
   drvdata.
 
 - ti,ads7950
   Mark GPIO as can sleep.
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Merge tag 'iio-fixes-for-6.3a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus

Jonathan writes:

1st set of IIO fixes for 6.3

Usual mixed bag:

- core - output buffers
  Fix return of bytes written when only some succeed.
  Fix O_NONBLOCK handling to not block.

- adi,ad7791
  Fix IRQ type.  Not confirmed to have any impact but good to correct it anyway

- adi,adis16400
  Missing CONFIG_CRC32

- capella,cm32181
  Unregister 2nd I2C client if one is used.

- cio-dac
  Fix bitdepth for range check on write.

- linear,ltc2497
  Fix a wrong shift of the LSB introduced when switching to be24 handling.

- maxim,max11410
  Fix handling of return code in read_poll_timeout()

- qcom,spmi-adc
  Fix an accidental change of channel name to include the reg value from OF.

- ti,palmas
  Fix a null dereference on remove due to wrong function used to get the
  drvdata.

- ti,ads7950
  Mark GPIO as can sleep.

* tag 'iio-fixes-for-6.3a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
  iio: adc: palmas_gpadc: fix NULL dereference on rmmod
  iio: adc: max11410: fix read_poll_timeout() usage
  iio: dac: cio-dac: Fix max DAC write value check for 12-bit
  iio: light: cm32181: Unregister second I2C client if present
  iio: accel: kionix-kx022a: Get the timestamp from the driver's private data in the trigger_handler
  iio: adc: ad7791: fix IRQ flags
  iio: buffer: make sure O_NONBLOCK is respected
  iio: buffer: correctly return bytes written in output buffers
  iio: light: vcnl4000: Fix WARN_ON on uninitialized lock
  iio: adis16480: select CONFIG_CRC32
  drivers: iio: adc: ltc2497: fix LSB shift
  iio: adc: qcom-spmi-adc5: Fix the channel name
This commit is contained in:
Greg Kroah-Hartman 2023-03-28 13:30:55 +02:00
parent 4dd52392b5 363c7dc72f
commit 4bffd2c7a3
12 changed files with 59 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/iio/accel/kionix-kx022a.c
View File

@ -864,7 +864,7 @@ static irqreturn_t kx022a_trigger_handler(int irq, void *p)
if (ret < 0)
goto err_read;
iio_push_to_buffers_with_timestamp(idev, data->buffer, pf->timestamp);
iio_push_to_buffers_with_timestamp(idev, data->buffer, data->timestamp);
err_read:
iio_trigger_notify_done(idev->trig);

2
drivers/iio/adc/ad7791.c
View File

@ -253,7 +253,7 @@ static const struct ad_sigma_delta_info ad7791_sigma_delta_info = {
.has_registers = true,
.addr_shift = 4,
.read_mask = BIT(3),
.irq_flags = IRQF_TRIGGER_LOW,
.irq_flags = IRQF_TRIGGER_FALLING,
};
static int ad7791_read_raw(struct iio_dev *indio_dev,

6
drivers/iio/adc/ltc2497.c
View File

@ -28,7 +28,6 @@ struct ltc2497_driverdata {
struct ltc2497core_driverdata common_ddata;
struct i2c_client *client;
u32 recv_size;
u32 sub_lsb;
/*
* DMA (thus cache coherency maintenance) may require the
* transfer buffers to live in their own cache lines.
@ -65,10 +64,10 @@ static int ltc2497_result_and_measure(struct ltc2497core_driverdata *ddata,
* equivalent to a sign extension.
*/
if (st->recv_size == 3) {
*val = (get_unaligned_be24(st->data.d8) >> st->sub_lsb)
*val = (get_unaligned_be24(st->data.d8) >> 6)
- BIT(ddata->chip_info->resolution + 1);
} else {
*val = (be32_to_cpu(st->data.d32) >> st->sub_lsb)
*val = (be32_to_cpu(st->data.d32) >> 6)
- BIT(ddata->chip_info->resolution + 1);
}
@ -122,7 +121,6 @@ static int ltc2497_probe(struct i2c_client *client)
st->common_ddata.chip_info = chip_info;
resolution = chip_info->resolution;
st->sub_lsb = 31 - (resolution + 1);
st->recv_size = BITS_TO_BYTES(resolution) + 1;
return ltc2497core_probe(dev, indio_dev);

22
drivers/iio/adc/max11410.c
View File

@ -414,13 +414,17 @@ static int max11410_sample(struct max11410_state *st, int *sample_raw,
if (!ret)
return -ETIMEDOUT;
} else {
int ret2;
/* Wait for status register Conversion Ready flag */
ret = read_poll_timeout(max11410_read_reg, ret,
ret || (val & MAX11410_STATUS_CONV_READY_BIT),
ret = read_poll_timeout(max11410_read_reg, ret2,
ret2 || (val & MAX11410_STATUS_CONV_READY_BIT),
5000, MAX11410_CONVERSION_TIMEOUT_MS * 1000,
true, st, MAX11410_REG_STATUS, &val);
if (ret)
return ret;
if (ret2)
return ret2;
}
/* Read ADC Data */
@ -851,17 +855,21 @@ static int max11410_init_vref(struct device *dev,
static int max11410_calibrate(struct max11410_state *st, u32 cal_type)
{
int ret, val;
int ret, ret2, val;
ret = max11410_write_reg(st, MAX11410_REG_CAL_START, cal_type);
if (ret)
return ret;
/* Wait for status register Calibration Ready flag */
return read_poll_timeout(max11410_read_reg, ret,
ret || (val & MAX11410_STATUS_CAL_READY_BIT),
50000, MAX11410_CALIB_TIMEOUT_MS * 1000, true,
st, MAX11410_REG_STATUS, &val);
ret = read_poll_timeout(max11410_read_reg, ret2,
ret2 || (val & MAX11410_STATUS_CAL_READY_BIT),
50000, MAX11410_CALIB_TIMEOUT_MS * 1000, true,
st, MAX11410_REG_STATUS, &val);
if (ret)
return ret;
return ret2;
}
static int max11410_self_calibrate(struct max11410_state *st)

2
drivers/iio/adc/palmas_gpadc.c
View File

@ -639,7 +639,7 @@ out:
static int palmas_gpadc_remove(struct platform_device *pdev)
{
struct iio_dev *indio_dev = dev_to_iio_dev(&pdev->dev);
struct iio_dev *indio_dev = dev_get_drvdata(&pdev->dev);
struct palmas_gpadc *adc = iio_priv(indio_dev);
if (adc->wakeup1_enable || adc->wakeup2_enable)

10
drivers/iio/adc/qcom-spmi-adc5.c
View File

@ -628,12 +628,20 @@ static int adc5_get_fw_channel_data(struct adc5_chip *adc,
struct fwnode_handle *fwnode,
const struct adc5_data *data)
{
const char *name = fwnode_get_name(fwnode), *channel_name;
const char *channel_name;
char *name;
u32 chan, value, varr[2];
u32 sid = 0;
int ret;
struct device *dev = adc->dev;
name = devm_kasprintf(dev, GFP_KERNEL, "%pfwP", fwnode);
if (!name)
return -ENOMEM;
/* Cut the address part */
name[strchrnul(name, '@') - name] = '\0';
ret = fwnode_property_read_u32(fwnode, "reg", &chan);
if (ret) {
dev_err(dev, "invalid channel number %s\n", name);

1
drivers/iio/adc/ti-ads7950.c
View File

@ -634,6 +634,7 @@ static int ti_ads7950_probe(struct spi_device *spi)
st->chip.label = dev_name(&st->spi->dev);
st->chip.parent = &st->spi->dev;
st->chip.owner = THIS_MODULE;
st->chip.can_sleep = true;
st->chip.base = -1;
st->chip.ngpio = TI_ADS7950_NUM_GPIOS;
st->chip.get_direction = ti_ads7950_get_direction;

4
drivers/iio/dac/cio-dac.c
View File

@ -66,8 +66,8 @@ static int cio_dac_write_raw(struct iio_dev *indio_dev,
if (mask != IIO_CHAN_INFO_RAW)
return -EINVAL;
/* DAC can only accept up to a 16-bit value */
if ((unsigned int)val > 65535)
/* DAC can only accept up to a 12-bit value */
if ((unsigned int)val > 4095)
return -EINVAL;
priv->chan_out_states[chan->channel] = val;

1
drivers/iio/imu/Kconfig
View File

@ -47,6 +47,7 @@ config ADIS16480
depends on SPI
select IIO_ADIS_LIB
select IIO_ADIS_LIB_BUFFER if IIO_BUFFER
select CRC32
help
Say yes here to build support for Analog Devices ADIS16375, ADIS16480,
ADIS16485, ADIS16488 inertial sensors.

21
drivers/iio/industrialio-buffer.c
View File

@ -203,24 +203,27 @@ static ssize_t iio_buffer_write(struct file *filp, const char __user *buf,
break;
}
if (filp->f_flags & O_NONBLOCK) {
if (!written)
ret = -EAGAIN;
break;
}
wait_woken(&wait, TASK_INTERRUPTIBLE,
MAX_SCHEDULE_TIMEOUT);
continue;
}
ret = rb->access->write(rb, n - written, buf + written);
if (ret == 0 && (filp->f_flags & O_NONBLOCK))
ret = -EAGAIN;
if (ret < 0)
break;
if (ret > 0) {
written += ret;
if (written != n && !(filp->f_flags & O_NONBLOCK))
continue;
}
} while (ret == 0);
written += ret;
} while (written != n);
remove_wait_queue(&rb->pollq, &wait);
return ret < 0 ? ret : n;
return ret < 0 ? ret : written;
}
/**

12
drivers/iio/light/cm32181.c
View File

@ -429,6 +429,14 @@ static const struct iio_info cm32181_info = {
.attrs = &cm32181_attribute_group,
};
static void cm32181_unregister_dummy_client(void *data)
{
struct i2c_client *client = data;
/* Unregister the dummy client */
i2c_unregister_device(client);
}
static int cm32181_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
@ -460,6 +468,10 @@ static int cm32181_probe(struct i2c_client *client)
client = i2c_acpi_new_device(dev, 1, &board_info);
if (IS_ERR(client))
return PTR_ERR(client);
ret = devm_add_action_or_reset(dev, cm32181_unregister_dummy_client, client);
if (ret)
return ret;
}
cm32181 = iio_priv(indio_dev);

3
drivers/iio/light/vcnl4000.c
View File

@ -208,7 +208,6 @@ static int vcnl4000_init(struct vcnl4000_data *data)
data->rev = ret & 0xf;
data->al_scale = 250000;
mutex_init(&data->vcnl4000_lock);
return data->chip_spec->set_power_state(data, true);
};
@ -1367,6 +1366,8 @@ static int vcnl4000_probe(struct i2c_client *client)
data->id = id->driver_data;
data->chip_spec = &vcnl4000_chip_spec_cfg[data->id];
mutex_init(&data->vcnl4000_lock);
ret = data->chip_spec->init(data);
if (ret < 0)
return ret;