[PATCH v1 2/3] iio: imu: adis16480: Use temporary variable for struct device

Andy Shevchenko
2022-04-13T14:42:05Z

Use temporary variable for struct device to make code neater.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/iio/imu/adis16480.c | 46 ++++++++++++++++++-------------------
1 file changed, 23 insertions(+), 23 deletions(-)

diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index 68eed088cca6..287914016f28 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -1121,6 +1121,7 @@ static irqreturn_t adis16480_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct adis16480 *st = iio_priv(indio_dev);
struct adis *adis = &st->adis;
+ struct device *dev = &adis->spi->dev;
int ret, bit, offset, i = 0;
__be16 *buffer;
u32 crc;
@@ -1132,7 +1133,7 @@ static irqreturn_t adis16480_trigger_handler(int irq, void *p)
adis->tx[1] = 0;
ret = spi_write(adis->spi, adis->tx, 2);
if (ret) {
- dev_err(&adis->spi->dev, "Failed to change device page: %d\n", ret);
+ dev_err(dev, "Failed to change device page: %d\n", ret);
adis_dev_unlock(adis);
goto irq_done;
}
@@ -1142,7 +1143,7 @@ static irqreturn_t adis16480_trigger_handler(int irq, void *p)

ret = spi_sync(adis->spi, &adis->msg);
if (ret) {
- dev_err(&adis->spi->dev, "Failed to read data: %d\n", ret);
+ dev_err(dev, "Failed to read data: %d\n", ret);
adis_dev_unlock(adis);
goto irq_done;
}
@@ -1170,14 +1171,14 @@ static irqreturn_t adis16480_trigger_handler(int irq, void *p)
}

if (offset == 4) {
- dev_err(&adis->spi->dev, "Invalid burst data\n");
+ dev_err(dev, "Invalid burst data\n");
goto irq_done;
}

crc = be16_to_cpu(buffer[offset + 16]) << 16 | be16_to_cpu(buffer[offset + 15]);
valid = adis16480_validate_crc((u16 *)&buffer[offset], 15, crc);
if (!valid) {
- dev_err(&adis->spi->dev, "Invalid crc\n");
+ dev_err(dev, "Invalid crc\n");
goto irq_done;
}

@@ -1216,12 +1217,12 @@ static const struct iio_info adis16480_info = {
static int adis16480_stop_device(struct iio_dev *indio_dev)
{
struct adis16480 *st = iio_priv(indio_dev);
+ struct device *dev = &st->adis.spi->dev;
int ret;

ret = adis_write_reg_16(&st->adis, ADIS16480_REG_SLP_CNT, BIT(9));
if (ret)
- dev_err(&indio_dev->dev,
- "Could not power down device: %d\n", ret);
+ dev_err(dev, "Could not power down device: %d\n", ret);

return ret;
}
@@ -1253,7 +1254,7 @@ static int adis16480_config_irq_pin(struct adis16480 *st)

desc = irq_get_irq_data(st->adis.spi->irq);
if (!desc) {
- dev_err(&st->adis.spi->dev, "Could not find IRQ %d\n", irq);
+ dev_err(dev, "Could not find IRQ %d\n", irq);
return -EINVAL;
}

@@ -1290,8 +1291,7 @@ static int adis16480_config_irq_pin(struct adis16480 *st)
} else if (irq_type == IRQ_TYPE_EDGE_FALLING) {
val |= ADIS16480_DRDY_POL(0);
} else {
- dev_err(&st->adis.spi->dev,
- "Invalid interrupt type 0x%x specified\n", irq_type);
+ dev_err(dev, "Invalid interrupt type 0x%x specified\n", irq_type);
return -EINVAL;
}
/* Write the data ready configuration to the FNCTIO_CTRL register */
@@ -1315,13 +1315,13 @@ static int adis16480_fw_get_ext_clk_pin(struct adis16480 *st)
}

clk_input_not_found:
- dev_info(&st->adis.spi->dev,
- "clk input line not specified, using DIO2\n");
+ dev_info(dev, "clk input line not specified, using DIO2\n");
return pin;
}

static int adis16480_ext_clk_config(struct adis16480 *st, bool enable)
{
+ struct device *dev = &st->adis.spi->dev;
unsigned int mode, mask;
enum adis16480_int_pin pin;
uint16_t val;
@@ -1338,9 +1338,7 @@ static int adis16480_ext_clk_config(struct adis16480 *st, bool enable)
* automatically resets to zero (disabling the lower priority function).
*/
if (pin == ADIS16480_DRDY_SEL(val))
- dev_warn(&st->adis.spi->dev,
- "DIO%x pin supports only one function at a time\n",
- pin + 1);
+ dev_warn(dev, "DIO%x pin supports only one function at a time\n", pin + 1);

mode = ADIS16480_SYNC_EN(enable) | ADIS16480_SYNC_SEL(pin);
mask = ADIS16480_SYNC_EN_MSK | ADIS16480_SYNC_SEL_MSK;
@@ -1362,27 +1360,29 @@ static int adis16480_ext_clk_config(struct adis16480 *st, bool enable)

static int adis16480_get_ext_clocks(struct adis16480 *st)
{
+ struct device *dev = &st->adis.spi->dev;
+
st->clk_mode = ADIS16480_CLK_INT;
- st->ext_clk = devm_clk_get(&st->adis.spi->dev, "sync");
+ st->ext_clk = devm_clk_get(dev, "sync");
if (!IS_ERR_OR_NULL(st->ext_clk)) {
st->clk_mode = ADIS16480_CLK_SYNC;
return 0;
}

if (PTR_ERR(st->ext_clk) != -ENOENT) {
- dev_err(&st->adis.spi->dev, "failed to get ext clk\n");
+ dev_err(dev, "failed to get ext clk\n");
return PTR_ERR(st->ext_clk);
}

if (st->chip_info->has_pps_clk_mode) {
- st->ext_clk = devm_clk_get(&st->adis.spi->dev, "pps");
+ st->ext_clk = devm_clk_get(dev, "pps");
if (!IS_ERR_OR_NULL(st->ext_clk)) {
st->clk_mode = ADIS16480_CLK_PPS;
return 0;
}

if (PTR_ERR(st->ext_clk) != -ENOENT) {
- dev_err(&st->adis.spi->dev, "failed to get ext clk\n");
+ dev_err(dev, "failed to get ext clk\n");
return PTR_ERR(st->ext_clk);
}
}
@@ -1405,11 +1405,12 @@ static int adis16480_probe(struct spi_device *spi)
const struct spi_device_id *id = spi_get_device_id(spi);
const struct adis_data *adis16480_data;
irq_handler_t trigger_handler = NULL;
+ struct device *dev = &spi->dev;
struct iio_dev *indio_dev;
struct adis16480 *st;
int ret;

- indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;

@@ -1433,8 +1434,7 @@ static int adis16480_probe(struct spi_device *spi)
return ret;

if (st->chip_info->has_sleep_cnt) {
- ret = devm_add_action_or_reset(&spi->dev, adis16480_stop,
- indio_dev);
+ ret = devm_add_action_or_reset(dev, adis16480_stop, indio_dev);
if (ret)
return ret;
}
@@ -1452,7 +1452,7 @@ static int adis16480_probe(struct spi_device *spi)
if (ret)
return ret;

- ret = devm_add_action_or_reset(&spi->dev, adis16480_clk_disable, st->ext_clk);
+ ret = devm_add_action_or_reset(dev, adis16480_clk_disable, st->ext_clk);
if (ret)
return ret;

@@ -1485,7 +1485,7 @@ static int adis16480_probe(struct spi_device *spi)
if (ret)
return ret;

- ret = devm_iio_device_register(&spi->dev, indio_dev);
+ ret = devm_iio_device_register(dev, indio_dev);
if (ret)
return ret;

--
2.35.1