From: Renato Lui Geh Date: Mon, 5 Nov 2018 19:16:14 +0000 (-0200) Subject: staging: iio: ad7780: remove unnecessary stashed voltage value X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=befa9f6a3e1f00df0cff9d991650dc8d541fb730;p=openwrt%2Fstaging%2Fblogic.git staging: iio: ad7780: remove unnecessary stashed voltage value This patch removes the unnecessary field int_vref_mv in ad7780_state referring to the device's voltage. Signed-off-by: Renato Lui Geh Acked-by: Alexandru Ardelean Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index aa0521a309db..c4a85789c2db 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -51,7 +51,6 @@ struct ad7780_state { struct regulator *reg; struct gpio_desc *powerdown_gpio; unsigned int gain; - u16 int_vref_mv; struct ad_sigma_delta sd; }; @@ -180,7 +179,7 @@ static int ad7780_probe(struct spi_device *spi) { struct ad7780_state *st; struct iio_dev *indio_dev; - int ret, voltage_uv = 0; + int ret; indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) @@ -200,16 +199,10 @@ static int ad7780_probe(struct spi_device *spi) dev_err(&spi->dev, "Failed to enable specified AVdd supply\n"); return ret; } - voltage_uv = regulator_get_voltage(st->reg); st->chip_info = &ad7780_chip_info_tbl[spi_get_device_id(spi)->driver_data]; - if (voltage_uv) - st->int_vref_mv = voltage_uv / 1000; - else - dev_warn(&spi->dev, "Reference voltage unspecified\n"); - spi_set_drvdata(spi, indio_dev); indio_dev->dev.parent = &spi->dev;