iio: adc: ad9467: simplify device pointer in probe

Create alias for the device pointer to simplify referencing
and keeping syntax and column width shorter.

Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Tomas Melin <tomas.melin@vaisala.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
index 02288854558079da6fdba84d3a5732a3e2ad4163..ee0190e711af11f684dab1bcbb1a1d1cf97fde6a 100644 (file)
--- a/drivers/iio/adc/ad9467.c
+++ b/drivers/iio/adc/ad9467.c
@@ -1300,12 +1300,13 @@ static void ad9467_debugfs_init(struct iio_dev *indio_dev)
 
 static int ad9467_probe(struct spi_device *spi)
 {
+       struct device *dev = &spi->dev;
        struct iio_dev *indio_dev;
        struct ad9467_state *st;
        unsigned int id;
        int ret;
 
-       indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
        if (!indio_dev)
                return -ENOMEM;
 
@@ -1320,16 +1321,15 @@ static int ad9467_probe(struct spi_device *spi)
        if (AD9467_CAN_INVERT(st))
                st->calib_map_size *= 2;
 
-       st->clk = devm_clk_get_enabled(&spi->dev, "adc-clk");
+       st->clk = devm_clk_get_enabled(dev, "adc-clk");
        if (IS_ERR(st->clk))
                return PTR_ERR(st->clk);
 
-       st->pwrdown_gpio = devm_gpiod_get_optional(&spi->dev, "powerdown",
-                                                  GPIOD_OUT_LOW);
+       st->pwrdown_gpio = devm_gpiod_get_optional(dev, "powerdown", GPIOD_OUT_LOW);
        if (IS_ERR(st->pwrdown_gpio))
                return PTR_ERR(st->pwrdown_gpio);
 
-       ret = ad9467_reset(&spi->dev);
+       ret = ad9467_reset(dev);
        if (ret)
                return ret;
 
@@ -1339,7 +1339,7 @@ static int ad9467_probe(struct spi_device *spi)
 
        id = ad9467_spi_read(st, AN877_ADC_REG_CHIP_ID);
        if (id != st->info->id) {
-               dev_err(&spi->dev, "Mismatch CHIP_ID, got 0x%X, expected 0x%X\n",
+               dev_err(dev, "Mismatch CHIP_ID, got 0x%X, expected 0x%X\n",
                        id, st->info->id);
                return -ENODEV;
        }
@@ -1356,11 +1356,11 @@ static int ad9467_probe(struct spi_device *spi)
        if (ret)
                return ret;
 
-       ret = devm_iio_backend_request_buffer(&spi->dev, st->back, indio_dev);
+       ret = devm_iio_backend_request_buffer(dev, st->back, indio_dev);
        if (ret)
                return ret;
 
-       ret = devm_iio_backend_enable(&spi->dev, st->back);
+       ret = devm_iio_backend_enable(dev, st->back);
        if (ret)
                return ret;
 
@@ -1368,7 +1368,7 @@ static int ad9467_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;