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Message-ID: <20170427165159.GB30189@roeck-us.net>
Date: Thu, 27 Apr 2017 09:51:59 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Cc: 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>, J Keerthy <j-keerthy@...com>,
linux-iio@...r.kernel.org, linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/7] hwmon: twl4030-madc: drop driver
On Thu, Apr 27, 2017 at 05:30:06PM +0200, Sebastian Reichel wrote:
> 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@...labora.co.uk>
Acked-by: Guenter Roeck <linux@...ck-us.net>
... assuming this will be pushed through the same tree as the rest
of the series. Let me know if I should queue it up in hwmon for v4.12.
Thanks,
Guenter
> ---
> drivers/hwmon/Kconfig | 10 ----
> drivers/hwmon/Makefile | 1 -
> drivers/hwmon/twl4030-madc-hwmon.c | 118 -------------------------------------
> 3 files changed, 129 deletions(-)
> delete mode 100644 drivers/hwmon/twl4030-madc-hwmon.c
>
> diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
> index 0649d53f3d16..776d1ac2bfee 100644
> --- a/drivers/hwmon/Kconfig
> +++ b/drivers/hwmon/Kconfig
> @@ -1643,16 +1643,6 @@ 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
> diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
> index 5509edf6186a..c05530d6cb6e 100644
> --- a/drivers/hwmon/Makefile
> +++ b/drivers/hwmon/Makefile
> @@ -157,7 +157,6 @@ 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
> diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c
> deleted file mode 100644
> index b5caf7fdb487..000000000000
> --- a/drivers/hwmon/twl4030-madc-hwmon.c
> +++ /dev/null
> @@ -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@...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");
> --
> 2.11.0
>
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