linux-kernel - [PATCH v3 3/3] staging: iio: ad7780: remove unnecessary stashed voltage value

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Date:   Thu, 1 Nov 2018 11:43:41 -0300
From:   Renato Lui Geh <renatogeh@...il.com>
To:     lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org,
        knaack.h@....de, pmeerw@...erw.net, gregkh@...uxfoundation.org,
        giuliano.belinassi@....br
Cc:     linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, kernel-usp@...glegroups.com
Subject: [PATCH v3 3/3] 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 <renatogeh@...il.com>
---
Changes in v3:
	- removed unnecessary int_vref_mv from ad7780_state

 drivers/staging/iio/adc/ad7780.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
index f2a11e9424cd..f250370efcf7 100644
--- a/drivers/staging/iio/adc/ad7780.c
+++ b/drivers/staging/iio/adc/ad7780.c
@@ -42,7 +42,6 @@ struct ad7780_state {
 	struct regulator		*reg;
 	struct gpio_desc		*powerdown_gpio;
 	unsigned int	gain;
-	u16				int_vref_mv;
 
 	struct ad_sigma_delta sd;
 };
@@ -190,9 +189,7 @@ static int ad7780_probe(struct spi_device *spi)
 	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
+	if (!voltage_uv)
 		dev_warn(&spi->dev, "Reference voltage unspecified\n");
 
 	spi_set_drvdata(spi, indio_dev);
-- 
2.19.1