iio: ad5686: Remove redundant variable

‘regdone’ is not used in the function. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 17aca4d9bd06e5a6f52d51ecc867bb54890ab62f..f57562aa396f44462a9fdc822741d09bf37531f4 100644 (file)
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -313,7 +313,7 @@ static int ad5686_probe(struct spi_device *spi)
 {
        struct ad5686_state *st;
        struct iio_dev *indio_dev;
-       int ret, regdone = 0, voltage_uv = 0;
+       int ret, voltage_uv = 0;
 
        indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
        if (indio_dev == NULL)
@@ -355,7 +355,6 @@ static int ad5686_probe(struct spi_device *spi)
        indio_dev->channels = st->chip_info->channel;
        indio_dev->num_channels = AD5686_DAC_CHANNELS;
 
-       regdone = 1;
        ret = ad5686_spi_write(st, AD5686_CMD_INTERNAL_REFER_SETUP, 0,
                                !!voltage_uv, 0);
        if (ret)