arch - litmus-rt.git - The LITMUS^RT kernel.

The LITMUS^RT kernel.

Bjoern Brandenburg

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Mode	Name	Size
d---------	alpha	342	log stats plain
d---------	arm	2107	log stats plain
d---------	avr32	340	log stats plain
d---------	blackfin	486	log stats plain
d---------	cris	281	log stats plain
d---------	frv	311	log stats plain
d---------	h8300	419	log stats plain
d---------	i386	266	log stats plain
d---------	ia64	569	log stats plain
d---------	m32r	377	log stats plain
d---------	m68k	766	log stats plain
d---------	m68knommu	276	log stats plain
d---------	mips	1237	log stats plain
d---------	parisc	484	log stats plain
d---------	powerpc	477	log stats plain
d---------	ppc	507	log stats plain
d---------	s390	442	log stats plain
d---------	sh	471	log stats plain
d---------	sh64	413	log stats plain
d---------	sparc	373	log stats plain
d---------	sparc64	407	log stats plain
d---------	um	911	log stats plain
d---------	v850	243	log stats plain
d---------	x86	637	log stats plain
d---------	x86_64	187	log stats plain
d---------	xtensa	308	log stats plain

n class="hl opt">|| !data->valid) { dev_dbg(&client->dev, "Starting g760a update\n"); data->set_cnt = g760a_read_value(client, G760A_REG_SET_CNT); data->act_cnt = g760a_read_value(client, G760A_REG_ACT_CNT); data->fan_sta = g760a_read_value(client, G760A_REG_FAN_STA); data->last_updated = jiffies; data->valid = 1; } mutex_unlock(&data->update_lock); return data; } static ssize_t show_fan(struct device *dev, struct device_attribute *da, char *buf) { struct g760a_data *data = g760a_update_client(dev); unsigned int rpm = 0; mutex_lock(&data->update_lock); if (!(data->fan_sta & G760A_REG_FAN_STA_RPM_LOW)) rpm = rpm_from_cnt(data->act_cnt, data->clk, data->fan_div); mutex_unlock(&data->update_lock); return sprintf(buf, "%d\n", rpm); } static ssize_t show_fan_alarm(struct device *dev, struct device_attribute *da, char *buf) { struct g760a_data *data = g760a_update_client(dev); int fan_alarm = (data->fan_sta & G760A_REG_FAN_STA_RPM_OFF) ? 1 : 0; return sprintf(buf, "%d\n", fan_alarm); } static ssize_t get_pwm(struct device *dev, struct device_attribute *da, char *buf) { struct g760a_data *data = g760a_update_client(dev); return sprintf(buf, "%d\n", PWM_FROM_CNT(data->set_cnt)); } static ssize_t set_pwm(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct g760a_data *data = g760a_update_client(dev); unsigned long val; if (strict_strtoul(buf, 10, &val)) return -EINVAL; mutex_lock(&data->update_lock); data->set_cnt = PWM_TO_CNT(SENSORS_LIMIT(val, 0, 255)); g760a_write_value(client, G760A_REG_SET_CNT, data->set_cnt); mutex_unlock(&data->update_lock); return count; } static DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, get_pwm, set_pwm); static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL); static DEVICE_ATTR(fan1_alarm, S_IRUGO, show_fan_alarm, NULL); static struct attribute *g760a_attributes[] = { &dev_attr_pwm1.attr, &dev_attr_fan1_input.attr, &dev_attr_fan1_alarm.attr, NULL }; static const struct attribute_group g760a_group = { .attrs = g760a_attributes, }; /**************************************************************************** * new-style driver model code */ static int g760a_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct g760a_data *data; int err; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; data = kzalloc(sizeof(struct g760a_data), GFP_KERNEL); if (!data) return -ENOMEM; i2c_set_clientdata(client, data); data->client = client; mutex_init(&data->update_lock); /* setup default configuration for now */ data->fan_div = G760A_DEFAULT_FAN_DIV; data->clk = G760A_DEFAULT_CLK; /* Register sysfs hooks */ err = sysfs_create_group(&client->dev.kobj, &g760a_group); if (err) goto error_sysfs_create_group; data->hwmon_dev = hwmon_device_register(&client->dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); goto error_hwmon_device_register; } return 0; error_hwmon_device_register: sysfs_remove_group(&client->dev.kobj, &g760a_group); error_sysfs_create_group: kfree(data); i2c_set_clientdata(client, NULL); return err; } static int g760a_remove(struct i2c_client *client) { struct g760a_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&client->dev.kobj, &g760a_group); kfree(data); i2c_set_clientdata(client, NULL); return 0; } /* module management */ static int __init g760a_init(void) { return i2c_add_driver(&g760a_driver); } static void __exit g760a_exit(void) { i2c_del_driver(&g760a_driver); } MODULE_AUTHOR("Herbert Valerio Riedel <hvr@gnu.org>"); MODULE_DESCRIPTION("GMT G760A driver"); MODULE_LICENSE("GPL"); module_init(g760a_init); module_exit(g760a_exit);