hwmon: (fschmd) Cleanups for watchdog support
authorHans de Goede <hdegoede@redhat.com>
Wed, 7 Jan 2009 15:37:33 +0000 (16:37 +0100)
committerJean Delvare <khali@linux-fr.org>
Wed, 7 Jan 2009 15:37:33 +0000 (16:37 +0100)
Various small cleanups in preparation of adding watchdog support,
mostly removing _MASK postfix from defines which are not masks.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
drivers/hwmon/fschmd.c

index 96717036893376dd47ae06134af682e439640b0d..c188b71350254843ca6117044d4d0d52298fd76c 100644 (file)
@@ -1,6 +1,6 @@
 /* fschmd.c
  *
- * Copyright (C) 2007 Hans de Goede <j.w.r.degoede@hhs.nl>
+ * Copyright (C) 2007,2008 Hans de Goede <hdegoede@redhat.com>
  *
  * 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
@@ -63,7 +63,7 @@ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd);
 #define FSCHMD_REG_EVENT_STATE         0x04
 #define FSCHMD_REG_CONTROL             0x05
 
-#define FSCHMD_CONTROL_ALERT_LED_MASK  0x01
+#define FSCHMD_CONTROL_ALERT_LED       0x01
 
 /* watchdog (support to be implemented) */
 #define FSCHMD_REG_WDOG_PRESET         0x28
@@ -115,8 +115,8 @@ static const u8 FSCHMD_REG_FAN_RIPPLE[5][6] = {
 static const int FSCHMD_NO_FAN_SENSORS[5] = { 3, 3, 6, 4, 5 };
 
 /* Fan status register bitmasks */
-#define FSCHMD_FAN_ALARM_MASK          0x04 /* called fault by FSC! */
-#define FSCHMD_FAN_NOT_PRESENT_MASK    0x08 /* not documented */
+#define FSCHMD_FAN_ALARM       0x04 /* called fault by FSC! */
+#define FSCHMD_FAN_NOT_PRESENT 0x08 /* not documented */
 
 
 /* actual temperature registers */
@@ -158,14 +158,11 @@ static const u8 FSCHER_REG_TEMP_AUTOP2[] =        { 0x75, 0x85, 0x95 }; */
 static const int FSCHMD_NO_TEMP_SENSORS[5] = { 3, 3, 4, 3, 5 };
 
 /* temp status register bitmasks */
-#define FSCHMD_TEMP_WORKING_MASK       0x01
-#define FSCHMD_TEMP_ALERT_MASK         0x02
+#define FSCHMD_TEMP_WORKING    0x01
+#define FSCHMD_TEMP_ALERT      0x02
 /* there only really is an alarm if the sensor is working and alert == 1 */
 #define FSCHMD_TEMP_ALARM_MASK \
-       (FSCHMD_TEMP_WORKING_MASK | FSCHMD_TEMP_ALERT_MASK)
-
-/* our driver name */
-#define FSCHMD_NAME "fschmd"
+       (FSCHMD_TEMP_WORKING | FSCHMD_TEMP_ALERT)
 
 /*
  * Functions declarations
@@ -195,7 +192,7 @@ MODULE_DEVICE_TABLE(i2c, fschmd_id);
 static struct i2c_driver fschmd_driver = {
        .class          = I2C_CLASS_HWMON,
        .driver = {
-               .name   = FSCHMD_NAME,
+               .name   = "fschmd",
        },
        .probe          = fschmd_probe,
        .remove         = fschmd_remove,
@@ -300,7 +297,7 @@ static ssize_t show_temp_fault(struct device *dev,
        struct fschmd_data *data = fschmd_update_device(dev);
 
        /* bit 0 set means sensor working ok, so no fault! */
-       if (data->temp_status[index] & FSCHMD_TEMP_WORKING_MASK)
+       if (data->temp_status[index] & FSCHMD_TEMP_WORKING)
                return sprintf(buf, "0\n");
        else
                return sprintf(buf, "1\n");
@@ -385,7 +382,7 @@ static ssize_t show_fan_alarm(struct device *dev,
        int index = to_sensor_dev_attr(devattr)->index;
        struct fschmd_data *data = fschmd_update_device(dev);
 
-       if (data->fan_status[index] & FSCHMD_FAN_ALARM_MASK)
+       if (data->fan_status[index] & FSCHMD_FAN_ALARM)
                return sprintf(buf, "1\n");
        else
                return sprintf(buf, "0\n");
@@ -397,7 +394,7 @@ static ssize_t show_fan_fault(struct device *dev,
        int index = to_sensor_dev_attr(devattr)->index;
        struct fschmd_data *data = fschmd_update_device(dev);
 
-       if (data->fan_status[index] & FSCHMD_FAN_NOT_PRESENT_MASK)
+       if (data->fan_status[index] & FSCHMD_FAN_NOT_PRESENT)
                return sprintf(buf, "1\n");
        else
                return sprintf(buf, "0\n");
@@ -449,7 +446,7 @@ static ssize_t show_alert_led(struct device *dev,
 {
        struct fschmd_data *data = fschmd_update_device(dev);
 
-       if (data->global_control & FSCHMD_CONTROL_ALERT_LED_MASK)
+       if (data->global_control & FSCHMD_CONTROL_ALERT_LED)
                return sprintf(buf, "1\n");
        else
                return sprintf(buf, "0\n");
@@ -467,9 +464,9 @@ static ssize_t store_alert_led(struct device *dev,
        reg = i2c_smbus_read_byte_data(to_i2c_client(dev), FSCHMD_REG_CONTROL);
 
        if (v)
-               reg |= FSCHMD_CONTROL_ALERT_LED_MASK;
+               reg |= FSCHMD_CONTROL_ALERT_LED;
        else
-               reg &= ~FSCHMD_CONTROL_ALERT_LED_MASK;
+               reg &= ~FSCHMD_CONTROL_ALERT_LED;
 
        i2c_smbus_write_byte_data(to_i2c_client(dev), FSCHMD_REG_CONTROL, reg);
 
@@ -683,11 +680,11 @@ static int fschmd_probe(struct i2c_client *client,
        }
 
        /* Read the special DMI table for fscher and newer chips */
-       if (kind == fscher || kind >= fschrc) {
+       if ((kind == fscher || kind >= fschrc) && dmi_vref == -1) {
                dmi_walk(fschmd_dmi_decode);
                if (dmi_vref == -1) {
-                       printk(KERN_WARNING FSCHMD_NAME
-                               "Couldn't get voltage scaling factors from "
+                       dev_warn(&client->dev,
+                               "Couldn't get voltage scaling factors from "
                                "BIOS DMI table, using builtin defaults\n");
                        dmi_vref = 33;
                }
@@ -736,7 +733,7 @@ static int fschmd_probe(struct i2c_client *client,
        }
 
        revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION);
-       printk(KERN_INFO FSCHMD_NAME ": Detected FSC %s chip, revision: %d\n",
+       dev_info(&client->dev, "Detected FSC %s chip, revision: %d\n",
                names[data->kind], (int) revision);
 
        return 0;
@@ -798,7 +795,7 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
                                        data->temp_act[i] < data->temp_max[i])
                                i2c_smbus_write_byte_data(client,
                                        FSCHMD_REG_TEMP_STATE[data->kind][i],
-                                       FSCHMD_TEMP_ALERT_MASK);
+                                       FSCHMD_TEMP_ALERT);
                }
 
                for (i = 0; i < FSCHMD_NO_FAN_SENSORS[data->kind]; i++) {
@@ -816,11 +813,11 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
                                        FSCHMD_REG_FAN_MIN[data->kind][i]);
 
                        /* reset fan status if speed is back to > 0 */
-                       if ((data->fan_status[i] & FSCHMD_FAN_ALARM_MASK) &&
+                       if ((data->fan_status[i] & FSCHMD_FAN_ALARM) &&
                                        data->fan_act[i])
                                i2c_smbus_write_byte_data(client,
                                        FSCHMD_REG_FAN_STATE[data->kind][i],
-                                       FSCHMD_FAN_ALARM_MASK);
+                                       FSCHMD_FAN_ALARM);
                }
 
                for (i = 0; i < 3; i++)
@@ -857,7 +854,7 @@ static void __exit fschmd_exit(void)
        i2c_del_driver(&fschmd_driver);
 }
 
-MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
 MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles and "
                        "Heimdall driver");
 MODULE_LICENSE("GPL");