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authorGuenter Roeck <guenter.roeck@ericsson.com>2012-01-16 16:51:45 -0500
committerJean Delvare <khali@endymion.delvare>2012-01-16 16:51:45 -0500
commit662bda28328b983f842f008a81a5fd4e6de6c5fe (patch)
treec9f63cad236851f617712dcf0c8308ee47ac9481 /drivers/hwmon/lm63.c
parent012f3b9118c7aaa3549f89299386f92b6580d235 (diff)
hwmon: (lm63) Fix checkpatch errors
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/hwmon/lm63.c')
-rw-r--r--drivers/hwmon/lm63.c74
1 files changed, 53 insertions, 21 deletions
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index 508cb291f71b..e02d7f01b01b 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -204,7 +204,12 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *dummy,
204{ 204{
205 struct i2c_client *client = to_i2c_client(dev); 205 struct i2c_client *client = to_i2c_client(dev);
206 struct lm63_data *data = i2c_get_clientdata(client); 206 struct lm63_data *data = i2c_get_clientdata(client);
207 unsigned long val = simple_strtoul(buf, NULL, 10); 207 unsigned long val;
208 int err;
209
210 err = kstrtoul(buf, 10, &val);
211 if (err)
212 return err;
208 213
209 mutex_lock(&data->update_lock); 214 mutex_lock(&data->update_lock);
210 data->fan[1] = FAN_TO_REG(val); 215 data->fan[1] = FAN_TO_REG(val);
@@ -231,11 +236,15 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy,
231 struct i2c_client *client = to_i2c_client(dev); 236 struct i2c_client *client = to_i2c_client(dev);
232 struct lm63_data *data = i2c_get_clientdata(client); 237 struct lm63_data *data = i2c_get_clientdata(client);
233 unsigned long val; 238 unsigned long val;
234 239 int err;
240
235 if (!(data->config_fan & 0x20)) /* register is read-only */ 241 if (!(data->config_fan & 0x20)) /* register is read-only */
236 return -EPERM; 242 return -EPERM;
237 243
238 val = simple_strtoul(buf, NULL, 10); 244 err = kstrtoul(buf, 10, &val);
245 if (err)
246 return err;
247
239 mutex_lock(&data->update_lock); 248 mutex_lock(&data->update_lock);
240 data->pwm1_value = val <= 0 ? 0 : 249 data->pwm1_value = val <= 0 ? 0 :
241 val >= 255 ? 2 * data->pwm1_freq : 250 val >= 255 ? 2 * data->pwm1_freq :
@@ -245,8 +254,8 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy,
245 return count; 254 return count;
246} 255}
247 256
248static ssize_t show_pwm1_enable(struct device *dev, struct device_attribute *dummy, 257static ssize_t show_pwm1_enable(struct device *dev,
249 char *buf) 258 struct device_attribute *dummy, char *buf)
250{ 259{
251 struct lm63_data *data = lm63_update_device(dev); 260 struct lm63_data *data = lm63_update_device(dev);
252 return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2); 261 return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2);
@@ -283,7 +292,12 @@ static ssize_t set_local_temp8(struct device *dev,
283{ 292{
284 struct i2c_client *client = to_i2c_client(dev); 293 struct i2c_client *client = to_i2c_client(dev);
285 struct lm63_data *data = i2c_get_clientdata(client); 294 struct lm63_data *data = i2c_get_clientdata(client);
286 long val = simple_strtol(buf, NULL, 10); 295 long val;
296 int err;
297
298 err = kstrtol(buf, 10, &val);
299 if (err)
300 return err;
287 301
288 mutex_lock(&data->update_lock); 302 mutex_lock(&data->update_lock);
289 data->temp8[1] = TEMP8_TO_REG(val); 303 data->temp8[1] = TEMP8_TO_REG(val);
@@ -314,9 +328,14 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
314 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); 328 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
315 struct i2c_client *client = to_i2c_client(dev); 329 struct i2c_client *client = to_i2c_client(dev);
316 struct lm63_data *data = i2c_get_clientdata(client); 330 struct lm63_data *data = i2c_get_clientdata(client);
317 long val = simple_strtol(buf, NULL, 10); 331 long val;
332 int err;
318 int nr = attr->index; 333 int nr = attr->index;
319 334
335 err = kstrtol(buf, 10, &val);
336 if (err)
337 return err;
338
320 mutex_lock(&data->update_lock); 339 mutex_lock(&data->update_lock);
321 data->temp11[nr] = TEMP11_TO_REG(val - data->temp2_offset); 340 data->temp11[nr] = TEMP11_TO_REG(val - data->temp2_offset);
322 i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2], 341 i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
@@ -327,10 +346,12 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
327 return count; 346 return count;
328} 347}
329 348
330/* Hysteresis register holds a relative value, while we want to present 349/*
331 an absolute to user-space */ 350 * Hysteresis register holds a relative value, while we want to present
332static ssize_t show_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy, 351 * an absolute to user-space
333 char *buf) 352 */
353static ssize_t show_temp2_crit_hyst(struct device *dev,
354 struct device_attribute *dummy, char *buf)
334{ 355{
335 struct lm63_data *data = lm63_update_device(dev); 356 struct lm63_data *data = lm63_update_device(dev);
336 return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[2]) 357 return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp8[2])
@@ -338,16 +359,24 @@ static ssize_t show_temp2_crit_hyst(struct device *dev, struct device_attribute
338 - TEMP8_FROM_REG(data->temp2_crit_hyst)); 359 - TEMP8_FROM_REG(data->temp2_crit_hyst));
339} 360}
340 361
341/* And now the other way around, user-space provides an absolute 362/*
342 hysteresis value and we have to store a relative one */ 363 * And now the other way around, user-space provides an absolute
343static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy, 364 * hysteresis value and we have to store a relative one
365 */
366static ssize_t set_temp2_crit_hyst(struct device *dev,
367 struct device_attribute *dummy,
344 const char *buf, size_t count) 368 const char *buf, size_t count)
345{ 369{
346 struct i2c_client *client = to_i2c_client(dev); 370 struct i2c_client *client = to_i2c_client(dev);
347 struct lm63_data *data = i2c_get_clientdata(client); 371 struct lm63_data *data = i2c_get_clientdata(client);
348 long val = simple_strtol(buf, NULL, 10); 372 long val;
373 int err;
349 long hyst; 374 long hyst;
350 375
376 err = kstrtol(buf, 10, &val);
377 if (err)
378 return err;
379
351 mutex_lock(&data->update_lock); 380 mutex_lock(&data->update_lock);
352 hyst = TEMP8_FROM_REG(data->temp8[2]) + data->temp2_offset - val; 381 hyst = TEMP8_FROM_REG(data->temp8[2]) + data->temp2_offset - val;
353 i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST, 382 i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
@@ -518,12 +547,13 @@ static int lm63_probe(struct i2c_client *new_client,
518 lm63_init_client(new_client); 547 lm63_init_client(new_client);
519 548
520 /* Register sysfs hooks */ 549 /* Register sysfs hooks */
521 if ((err = sysfs_create_group(&new_client->dev.kobj, 550 err = sysfs_create_group(&new_client->dev.kobj, &lm63_group);
522 &lm63_group))) 551 if (err)
523 goto exit_free; 552 goto exit_free;
524 if (data->config & 0x04) { /* tachometer enabled */ 553 if (data->config & 0x04) { /* tachometer enabled */
525 if ((err = sysfs_create_group(&new_client->dev.kobj, 554 err = sysfs_create_group(&new_client->dev.kobj,
526 &lm63_group_fan1))) 555 &lm63_group_fan1);
556 if (err)
527 goto exit_remove_files; 557 goto exit_remove_files;
528 } 558 }
529 559
@@ -544,8 +574,10 @@ exit:
544 return err; 574 return err;
545} 575}
546 576
547/* Idealy we shouldn't have to initialize anything, since the BIOS 577/*
548 should have taken care of everything */ 578 * Ideally we shouldn't have to initialize anything, since the BIOS
579 * should have taken care of everything
580 */
549static void lm63_init_client(struct i2c_client *client) 581static void lm63_init_client(struct i2c_client *client)
550{ 582{
551 struct lm63_data *data = i2c_get_clientdata(client); 583 struct lm63_data *data = i2c_get_clientdata(client);