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hwmon: (twl4030-madc) drop driver

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This driver is no longer needed:

 * It has no mainline users
 * It has no DT support and OMAP is DT only
 * iio-hwmon can be used for madc, which also works with DT

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Sebastian Reichel 2017-04-27 17:30:06 +02:00 committed by Guenter Roeck
parent 39c382a310
commit 09d9d82745
3 changed files with 0 additions and 129 deletions
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10
drivers/hwmon/Kconfig
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@ -1652,16 +1652,6 @@ config SENSORS_TMP421
This driver can also be built as a module. If so, the module
will be called tmp421.
config SENSORS_TWL4030_MADC
tristate "Texas Instruments TWL4030 MADC Hwmon"
depends on TWL4030_MADC
help
If you say yes here you get hwmon support for triton
TWL4030-MADC.
This driver can also be built as a module. If so it will be called
twl4030-madc-hwmon.
config SENSORS_VEXPRESS
tristate "Versatile Express"
depends on VEXPRESS_CONFIG

1
drivers/hwmon/Makefile
View File

@ -158,7 +158,6 @@ obj-$(CONFIG_SENSORS_TMP103) += tmp103.o
obj-$(CONFIG_SENSORS_TMP108) += tmp108.o
obj-$(CONFIG_SENSORS_TMP401) += tmp401.o
obj-$(CONFIG_SENSORS_TMP421) += tmp421.o
obj-$(CONFIG_SENSORS_TWL4030_MADC)+= twl4030-madc-hwmon.o
obj-$(CONFIG_SENSORS_VEXPRESS) += vexpress-hwmon.o
obj-$(CONFIG_SENSORS_VIA_CPUTEMP)+= via-cputemp.o
obj-$(CONFIG_SENSORS_VIA686A) += via686a.o

118
drivers/hwmon/twl4030-madc-hwmon.c
View File

@ -1,118 +0,0 @@
/*
*
* TWL4030 MADC Hwmon driver-This driver monitors the real time
* conversion of analog signals like battery temperature,
* battery type, battery level etc. User can ask for the conversion on a
* particular channel using the sysfs nodes.
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
* J Keerthy <j-keerthy@ti.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/i2c/twl.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/i2c/twl4030-madc.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/stddef.h>
#include <linux/sysfs.h>
#include <linux/err.h>
#include <linux/types.h>
/*
* sysfs hook function
*/
static ssize_t madc_read(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct twl4030_madc_request req = {
.channels = 1 << attr->index,
.method = TWL4030_MADC_SW2,
.type = TWL4030_MADC_WAIT,
};
long val;
val = twl4030_madc_conversion(&req);
if (val < 0)
return val;
return sprintf(buf, "%d\n", req.rbuf[attr->index]);
}
/* sysfs nodes to read individual channels from user side */
static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, madc_read, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, madc_read, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, madc_read, NULL, 2);
static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, madc_read, NULL, 3);
static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, madc_read, NULL, 4);
static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, madc_read, NULL, 5);
static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, madc_read, NULL, 6);
static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, madc_read, NULL, 7);
static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, madc_read, NULL, 8);
static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, madc_read, NULL, 9);
static SENSOR_DEVICE_ATTR(curr10_input, S_IRUGO, madc_read, NULL, 10);
static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, madc_read, NULL, 11);
static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, madc_read, NULL, 12);
static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, madc_read, NULL, 15);
static struct attribute *twl4030_madc_attrs[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_in2_input.dev_attr.attr,
&sensor_dev_attr_in3_input.dev_attr.attr,
&sensor_dev_attr_in4_input.dev_attr.attr,
&sensor_dev_attr_in5_input.dev_attr.attr,
&sensor_dev_attr_in6_input.dev_attr.attr,
&sensor_dev_attr_in7_input.dev_attr.attr,
&sensor_dev_attr_in8_input.dev_attr.attr,
&sensor_dev_attr_in9_input.dev_attr.attr,
&sensor_dev_attr_curr10_input.dev_attr.attr,
&sensor_dev_attr_in11_input.dev_attr.attr,
&sensor_dev_attr_in12_input.dev_attr.attr,
&sensor_dev_attr_in15_input.dev_attr.attr,
NULL
};
ATTRIBUTE_GROUPS(twl4030_madc);
static int twl4030_madc_hwmon_probe(struct platform_device *pdev)
{
struct device *hwmon;
hwmon = devm_hwmon_device_register_with_groups(&pdev->dev,
"twl4030_madc", NULL,
twl4030_madc_groups);
return PTR_ERR_OR_ZERO(hwmon);
}
static struct platform_driver twl4030_madc_hwmon_driver = {
.probe = twl4030_madc_hwmon_probe,
.driver = {
.name = "twl4030_madc_hwmon",
},
};
module_platform_driver(twl4030_madc_hwmon_driver);
MODULE_DESCRIPTION("TWL4030 ADC Hwmon driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("J Keerthy");
MODULE_ALIAS("platform:twl4030_madc_hwmon");