iio:adc:berlin2-adc: use channel-array size directly

Drop the otherwise unused definition of the channel-array size and use it
directly in _probe - makes it a bit more obvious.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/berlin2-adc.c b/drivers/iio/adc/berlin2-adc.c
index e04b7734df1dd682a0fe80b75d2f10f57502113b..3aaf3a975c7919858aab7cb14749b0777e9c23e0 100644 (file)
--- a/drivers/iio/adc/berlin2-adc.c
+++ b/drivers/iio/adc/berlin2-adc.c
@@ -103,7 +103,6 @@ static const struct iio_chan_spec berlin2_adc_channels[] = {
        BERLIN2_ADC_CHANNEL(7, IIO_VOLTAGE),    /* reserved */
        IIO_CHAN_SOFT_TIMESTAMP(8),             /* timestamp */
 };
-#define BERLIN2_N_CHANNELS     ARRAY_SIZE(berlin2_adc_channels)
 
 static int berlin2_adc_read(struct iio_dev *indio_dev, int channel)
 {
@@ -324,8 +323,8 @@ static int berlin2_adc_probe(struct platform_device *pdev)
        indio_dev->modes = INDIO_DIRECT_MODE;
        indio_dev->info = &berlin2_adc_info;
 
-       indio_dev->num_channels = BERLIN2_N_CHANNELS;
        indio_dev->channels = berlin2_adc_channels;
+       indio_dev->num_channels = ARRAY_SIZE(berlin2_adc_channels);
 
        /* Power up the ADC */
        regmap_update_bits(priv->regmap, BERLIN2_SM_CTRL,