linux-kernel - [PATCH 3/7] iio: adc: twl4030: Drop twl4030_get_madc

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Message-Id: <20170427153012.32310-4-sebastian.reichel@collabora.co.uk>
Date:   Thu, 27 Apr 2017 17:30:08 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     Sebastian Reichel <sre@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     J Keerthy <j-keerthy@...com>, linux-iio@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCH 3/7] iio: adc: twl4030: Drop twl4030_get_madc_conversion()

Drop legacy twl4030_get_madc_conversion() method. It has been
used by drivers to get madc data before it conversion to IIO
API. There are no users in the mainline kernel anymore.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
---
 drivers/iio/adc/twl4030-madc.c   | 21 ---------------------
 include/linux/i2c/twl4030-madc.h |  1 -
 2 files changed, 22 deletions(-)

diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 0c74869a540a..88e44066ef82 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -642,27 +642,6 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
 }
 EXPORT_SYMBOL_GPL(twl4030_madc_conversion);
 
-int twl4030_get_madc_conversion(int channel_no)
-{
-	struct twl4030_madc_request req;
-	int temp = 0;
-	int ret;
-
-	req.channels = (1 << channel_no);
-	req.method = TWL4030_MADC_SW2;
-	req.active = 0;
-	req.raw = 0;
-	req.func_cb = NULL;
-	ret = twl4030_madc_conversion(&req);
-	if (ret < 0)
-		return ret;
-	if (req.rbuf[channel_no] > 0)
-		temp = req.rbuf[channel_no];
-
-	return temp;
-}
-EXPORT_SYMBOL_GPL(twl4030_get_madc_conversion);
-
 /**
  * twl4030_madc_set_current_generator() - setup bias current
  *
diff --git a/include/linux/i2c/twl4030-madc.h b/include/linux/i2c/twl4030-madc.h
index 1c0134dd3271..0c919ebb31e0 100644
--- a/include/linux/i2c/twl4030-madc.h
+++ b/include/linux/i2c/twl4030-madc.h
@@ -143,5 +143,4 @@ struct twl4030_madc_user_parms {
 };
 
 int twl4030_madc_conversion(struct twl4030_madc_request *conv);
-int twl4030_get_madc_conversion(int channel_no);
 #endif
-- 
2.11.0