hwmon: (pmbus) Move PMBus drivers to drivers/hwmon/pmbus

Since the number of PMBus drivers is getting large, move them into
directory drivers/hwmon/pmbus to improve readability and scalability.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>

1 files changed, 0 insertions, 210 deletions

diff --git a/drivers/hwmon/pmbus.c b/drivers/hwmon/pmbus.c
deleted file mode 100644
index 9b1f0c37ef77..000000000000
--- a/drivers/hwmon/pmbus.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * Hardware monitoring driver for PMBus devices
- *
- * Copyright (c) 2010, 2011 Ericsson AB.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/mutex.h>
-#include <linux/i2c.h>
-#include "pmbus.h"
-
-/*
- * Find sensor groups and status registers on each page.
- */
-static void pmbus_find_sensor_groups(struct i2c_client *client,
-				     struct pmbus_driver_info *info)
-{
-	int page;
-
-	/* Sensors detected on page 0 only */
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_VIN))
-		info->func[0] |= PMBUS_HAVE_VIN;
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_VCAP))
-		info->func[0] |= PMBUS_HAVE_VCAP;
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_IIN))
-		info->func[0] |= PMBUS_HAVE_IIN;
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_PIN))
-		info->func[0] |= PMBUS_HAVE_PIN;
-	if (info->func[0]
-	    && pmbus_check_byte_register(client, 0, PMBUS_STATUS_INPUT))
-		info->func[0] |= PMBUS_HAVE_STATUS_INPUT;
-	if (pmbus_check_byte_register(client, 0, PMBUS_FAN_CONFIG_12) &&
-	    pmbus_check_word_register(client, 0, PMBUS_READ_FAN_SPEED_1)) {
-		info->func[0] |= PMBUS_HAVE_FAN12;
-		if (pmbus_check_byte_register(client, 0, PMBUS_STATUS_FAN_12))
-			info->func[0] |= PMBUS_HAVE_STATUS_FAN12;
-	}
-	if (pmbus_check_byte_register(client, 0, PMBUS_FAN_CONFIG_34) &&
-	    pmbus_check_word_register(client, 0, PMBUS_READ_FAN_SPEED_3)) {
-		info->func[0] |= PMBUS_HAVE_FAN34;
-		if (pmbus_check_byte_register(client, 0, PMBUS_STATUS_FAN_34))
-			info->func[0] |= PMBUS_HAVE_STATUS_FAN34;
-	}
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_1))
-		info->func[0] |= PMBUS_HAVE_TEMP;
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_2))
-		info->func[0] |= PMBUS_HAVE_TEMP2;
-	if (pmbus_check_word_register(client, 0, PMBUS_READ_TEMPERATURE_3))
-		info->func[0] |= PMBUS_HAVE_TEMP3;
-	if (info->func[0] & (PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2
-			     | PMBUS_HAVE_TEMP3)
-	    && pmbus_check_byte_register(client, 0,
-					 PMBUS_STATUS_TEMPERATURE))
-			info->func[0] |= PMBUS_HAVE_STATUS_TEMP;
-
-	/* Sensors detected on all pages */
-	for (page = 0; page < info->pages; page++) {
-		if (pmbus_check_word_register(client, page, PMBUS_READ_VOUT)) {
-			info->func[page] |= PMBUS_HAVE_VOUT;
-			if (pmbus_check_byte_register(client, page,
-						      PMBUS_STATUS_VOUT))
-				info->func[page] |= PMBUS_HAVE_STATUS_VOUT;
-		}
-		if (pmbus_check_word_register(client, page, PMBUS_READ_IOUT)) {
-			info->func[page] |= PMBUS_HAVE_IOUT;
-			if (pmbus_check_byte_register(client, 0,
-						      PMBUS_STATUS_IOUT))
-				info->func[page] |= PMBUS_HAVE_STATUS_IOUT;
-		}
-		if (pmbus_check_word_register(client, page, PMBUS_READ_POUT))
-			info->func[page] |= PMBUS_HAVE_POUT;
-	}
-}
-
-/*
- * Identify chip parameters.
- */
-static int pmbus_identify(struct i2c_client *client,
-			  struct pmbus_driver_info *info)
-{
-	if (!info->pages) {
-		/*
-		 * Check if the PAGE command is supported. If it is,
-		 * keep setting the page number until it fails or until the
-		 * maximum number of pages has been reached. Assume that
-		 * this is the number of pages supported by the chip.
-		 */
-		if (pmbus_check_byte_register(client, 0, PMBUS_PAGE)) {
-			int page;
-
-			for (page = 1; page < PMBUS_PAGES; page++) {
-				if (pmbus_set_page(client, page) < 0)
-					break;
-			}
-			pmbus_set_page(client, 0);
-			info->pages = page;
-		} else {
-			info->pages = 1;
-		}
-	}
-
-	/*
-	 * We should check if the COEFFICIENTS register is supported.
-	 * If it is, and the chip is configured for direct mode, we can read
-	 * the coefficients from the chip, one set per group of sensor
-	 * registers.
-	 *
-	 * To do this, we will need access to a chip which actually supports the
-	 * COEFFICIENTS command, since the command is too complex to implement
-	 * without testing it.
-	 */
-
-	/* Try to find sensor groups  */
-	pmbus_find_sensor_groups(client, info);
-
-	return 0;
-}
-
-static int pmbus_probe(struct i2c_client *client,
-		       const struct i2c_device_id *id)
-{
-	struct pmbus_driver_info *info;
-	int ret;
-
-	info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-
-	info->pages = id->driver_data;
-	info->identify = pmbus_identify;
-
-	ret = pmbus_do_probe(client, id, info);
-	if (ret < 0)
-		goto out;
-	return 0;
-
-out:
-	kfree(info);
-	return ret;
-}
-
-static int pmbus_remove(struct i2c_client *client)
-{
-	int ret;
-	const struct pmbus_driver_info *info;
-
-	info = pmbus_get_driver_info(client);
-	ret = pmbus_do_remove(client);
-	kfree(info);
-	return ret;
-}
-
-/*
- * Use driver_data to set the number of pages supported by the chip.
- */
-static const struct i2c_device_id pmbus_id[] = {
-	{"bmr450", 1},
-	{"bmr451", 1},
-	{"bmr453", 1},
-	{"bmr454", 1},
-	{"ltc2978", 8},
-	{"pmbus", 0},
-	{}
-};
-
-MODULE_DEVICE_TABLE(i2c, pmbus_id);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver pmbus_driver = {
-	.driver = {
-		   .name = "pmbus",
-		   },
-	.probe = pmbus_probe,
-	.remove = pmbus_remove,
-	.id_table = pmbus_id,
-};
-
-static int __init pmbus_init(void)
-{
-	return i2c_add_driver(&pmbus_driver);
-}
-
-static void __exit pmbus_exit(void)
-{
-	i2c_del_driver(&pmbus_driver);
-}
-
-MODULE_AUTHOR("Guenter Roeck");
-MODULE_DESCRIPTION("Generic PMBus driver");
-MODULE_LICENSE("GPL");
-module_init(pmbus_init);
-module_exit(pmbus_exit);