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/ucd9200.c b/drivers/hwmon/ucd9200.c
deleted file mode 100644
index ffcc1cf3609d..000000000000
--- a/drivers/hwmon/ucd9200.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * Hardware monitoring driver for ucd9200 series Digital PWM System Controllers
- *
- * Copyright (C) 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/i2c.h>
-#include <linux/i2c/pmbus.h>
-#include "pmbus.h"
-
-#define UCD9200_PHASE_INFO	0xd2
-#define UCD9200_DEVICE_ID	0xfd
-
-enum chips { ucd9200, ucd9220, ucd9222, ucd9224, ucd9240, ucd9244, ucd9246,
-	     ucd9248 };
-
-static const struct i2c_device_id ucd9200_id[] = {
-	{"ucd9200", ucd9200},
-	{"ucd9220", ucd9220},
-	{"ucd9222", ucd9222},
-	{"ucd9224", ucd9224},
-	{"ucd9240", ucd9240},
-	{"ucd9244", ucd9244},
-	{"ucd9246", ucd9246},
-	{"ucd9248", ucd9248},
-	{}
-};
-MODULE_DEVICE_TABLE(i2c, ucd9200_id);
-
-static int ucd9200_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id)
-{
-	u8 block_buffer[I2C_SMBUS_BLOCK_MAX + 1];
-	struct pmbus_driver_info *info;
-	const struct i2c_device_id *mid;
-	int i, j, ret;
-
-	if (!i2c_check_functionality(client->adapter,
-				     I2C_FUNC_SMBUS_BYTE_DATA |
-				     I2C_FUNC_SMBUS_BLOCK_DATA))
-		return -ENODEV;
-
-	ret = i2c_smbus_read_block_data(client, UCD9200_DEVICE_ID,
-					block_buffer);
-	if (ret < 0) {
-		dev_err(&client->dev, "Failed to read device ID\n");
-		return ret;
-	}
-	block_buffer[ret] = '\0';
-	dev_info(&client->dev, "Device ID %s\n", block_buffer);
-
-	mid = NULL;
-	for (i = 0; i < ARRAY_SIZE(ucd9200_id); i++) {
-		mid = &ucd9200_id[i];
-		if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
-			break;
-	}
-	if (!mid || !strlen(mid->name)) {
-		dev_err(&client->dev, "Unsupported device\n");
-		return -ENODEV;
-	}
-	if (id->driver_data != ucd9200 && id->driver_data != mid->driver_data)
-		dev_notice(&client->dev,
-			   "Device mismatch: Configured %s, detected %s\n",
-			   id->name, mid->name);
-
-	info = kzalloc(sizeof(struct pmbus_driver_info), GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-
-	ret = i2c_smbus_read_block_data(client, UCD9200_PHASE_INFO,
-					block_buffer);
-	if (ret < 0) {
-		dev_err(&client->dev, "Failed to read phase information\n");
-		goto out;
-	}
-
-	/*
-	 * Calculate number of configured pages (rails) from PHASE_INFO
-	 * register.
-	 * Rails have to be sequential, so we can abort after finding
-	 * the first unconfigured rail.
-	 */
-	info->pages = 0;
-	for (i = 0; i < ret; i++) {
-		if (!block_buffer[i])
-			break;
-		info->pages++;
-	}
-	if (!info->pages) {
-		dev_err(&client->dev, "No rails configured\n");
-		ret = -ENODEV;
-		goto out;
-	}
-	dev_info(&client->dev, "%d rails configured\n", info->pages);
-
-	/*
-	 * Set PHASE registers on all pages to 0xff to ensure that phase
-	 * specific commands will apply to all phases of a given page (rail).
-	 * This only affects the READ_IOUT and READ_TEMPERATURE2 registers.
-	 * READ_IOUT will return the sum of currents of all phases of a rail,
-	 * and READ_TEMPERATURE2 will return the maximum temperature detected
-	 * for the the phases of the rail.
-	 */
-	for (i = 0; i < info->pages; i++) {
-		/*
-		 * Setting PAGE & PHASE fails once in a while for no obvious
-		 * reason, so we need to retry a couple of times.
-		 */
-		for (j = 0; j < 3; j++) {
-			ret = i2c_smbus_write_byte_data(client, PMBUS_PAGE, i);
-			if (ret < 0)
-				continue;
-			ret = i2c_smbus_write_byte_data(client, PMBUS_PHASE,
-							0xff);
-			if (ret < 0)
-				continue;
-			break;
-		}
-		if (ret < 0) {
-			dev_err(&client->dev,
-				"Failed to initialize PHASE registers\n");
-			goto out;
-		}
-	}
-	if (info->pages > 1)
-		i2c_smbus_write_byte_data(client, PMBUS_PAGE, 0);
-
-	info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT |
-			PMBUS_HAVE_IIN | PMBUS_HAVE_PIN |
-			PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
-			PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
-			PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP |
-			PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP;
-
-	for (i = 1; i < info->pages; i++)
-		info->func[i] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
-			PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
-			PMBUS_HAVE_POUT |
-			PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP;
-
-	/* ucd9240 supports a single fan */
-	if (mid->driver_data == ucd9240)
-		info->func[0] |= PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12;
-
-	ret = pmbus_do_probe(client, mid, info);
-	if (ret < 0)
-		goto out;
-	return 0;
-out:
-	kfree(info);
-	return ret;
-}
-
-static int ucd9200_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;
-}
-
-
-/* This is the driver that will be inserted */
-static struct i2c_driver ucd9200_driver = {
-	.driver = {
-		.name = "ucd9200",
-	},
-	.probe = ucd9200_probe,
-	.remove = ucd9200_remove,
-	.id_table = ucd9200_id,
-};
-
-static int __init ucd9200_init(void)
-{
-	return i2c_add_driver(&ucd9200_driver);
-}
-
-static void __exit ucd9200_exit(void)
-{
-	i2c_del_driver(&ucd9200_driver);
-}
-
-MODULE_AUTHOR("Guenter Roeck");
-MODULE_DESCRIPTION("PMBus driver for TI UCD922x, UCD924x");
-MODULE_LICENSE("GPL");
-module_init(ucd9200_init);
-module_exit(ucd9200_exit);