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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-10-13 01:18:36 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-10-13 01:18:36 -0400
commit4783f393de3077211c14675a0e57c8a02e9190b0 (patch)
tree6c37d8664eb072fd026db3706481d771da4495ca /drivers/hwmon/lm95241.c
parent9f5f9ffe50e90ed73040d2100db8bfc341cee352 (diff)
parent5b8544c38e6fde6968645afd46ff681492192b86 (diff)
Merge remote branch 'kumar/merge' into next
Diffstat (limited to 'drivers/hwmon/lm95241.c')
-rw-r--r--drivers/hwmon/lm95241.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
index 94741d42112d..464340f25496 100644
--- a/drivers/hwmon/lm95241.c
+++ b/drivers/hwmon/lm95241.c
@@ -91,7 +91,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev);
91struct lm95241_data { 91struct lm95241_data {
92 struct device *hwmon_dev; 92 struct device *hwmon_dev;
93 struct mutex update_lock; 93 struct mutex update_lock;
94 unsigned long last_updated, rate; /* in jiffies */ 94 unsigned long last_updated, interval; /* in jiffies */
95 char valid; /* zero until following fields are valid */ 95 char valid; /* zero until following fields are valid */
96 /* registers values */ 96 /* registers values */
97 u8 local_h, local_l; /* local */ 97 u8 local_h, local_l; /* local */
@@ -114,23 +114,23 @@ show_temp(local);
114show_temp(remote1); 114show_temp(remote1);
115show_temp(remote2); 115show_temp(remote2);
116 116
117static ssize_t show_rate(struct device *dev, struct device_attribute *attr, 117static ssize_t show_interval(struct device *dev, struct device_attribute *attr,
118 char *buf) 118 char *buf)
119{ 119{
120 struct lm95241_data *data = lm95241_update_device(dev); 120 struct lm95241_data *data = lm95241_update_device(dev);
121 121
122 snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->rate / HZ); 122 snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->interval / HZ);
123 return strlen(buf); 123 return strlen(buf);
124} 124}
125 125
126static ssize_t set_rate(struct device *dev, struct device_attribute *attr, 126static ssize_t set_interval(struct device *dev, struct device_attribute *attr,
127 const char *buf, size_t count) 127 const char *buf, size_t count)
128{ 128{
129 struct i2c_client *client = to_i2c_client(dev); 129 struct i2c_client *client = to_i2c_client(dev);
130 struct lm95241_data *data = i2c_get_clientdata(client); 130 struct lm95241_data *data = i2c_get_clientdata(client);
131 131
132 strict_strtol(buf, 10, &data->rate); 132 strict_strtol(buf, 10, &data->interval);
133 data->rate = data->rate * HZ / 1000; 133 data->interval = data->interval * HZ / 1000;
134 134
135 return count; 135 return count;
136} 136}
@@ -286,7 +286,8 @@ static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_min1, set_min1);
286static DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_min2, set_min2); 286static DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_min2, set_min2);
287static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_max1, set_max1); 287static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_max1, set_max1);
288static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_max2, set_max2); 288static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_max2, set_max2);
289static DEVICE_ATTR(rate, S_IWUSR | S_IRUGO, show_rate, set_rate); 289static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval,
290 set_interval);
290 291
291static struct attribute *lm95241_attributes[] = { 292static struct attribute *lm95241_attributes[] = {
292 &dev_attr_temp1_input.attr, 293 &dev_attr_temp1_input.attr,
@@ -298,7 +299,7 @@ static struct attribute *lm95241_attributes[] = {
298 &dev_attr_temp3_min.attr, 299 &dev_attr_temp3_min.attr,
299 &dev_attr_temp2_max.attr, 300 &dev_attr_temp2_max.attr,
300 &dev_attr_temp3_max.attr, 301 &dev_attr_temp3_max.attr,
301 &dev_attr_rate.attr, 302 &dev_attr_update_interval.attr,
302 NULL 303 NULL
303}; 304};
304 305
@@ -376,7 +377,7 @@ static void lm95241_init_client(struct i2c_client *client)
376{ 377{
377 struct lm95241_data *data = i2c_get_clientdata(client); 378 struct lm95241_data *data = i2c_get_clientdata(client);
378 379
379 data->rate = HZ; /* 1 sec default */ 380 data->interval = HZ; /* 1 sec default */
380 data->valid = 0; 381 data->valid = 0;
381 data->config = CFG_CR0076; 382 data->config = CFG_CR0076;
382 data->model = 0; 383 data->model = 0;
@@ -410,7 +411,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev)
410 411
411 mutex_lock(&data->update_lock); 412 mutex_lock(&data->update_lock);
412 413
413 if (time_after(jiffies, data->last_updated + data->rate) || 414 if (time_after(jiffies, data->last_updated + data->interval) ||
414 !data->valid) { 415 !data->valid) {
415 dev_dbg(&client->dev, "Updating lm95241 data.\n"); 416 dev_dbg(&client->dev, "Updating lm95241 data.\n");
416 data->local_h = 417 data->local_h =