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);