diff options
Diffstat (limited to 'drivers/w1/masters/ds2482.c')
-rw-r--r-- | drivers/w1/masters/ds2482.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c index d1cacd23576b..af492cc48db2 100644 --- a/drivers/w1/masters/ds2482.c +++ b/drivers/w1/masters/ds2482.c | |||
@@ -125,7 +125,7 @@ struct ds2482_w1_chan { | |||
125 | 125 | ||
126 | struct ds2482_data { | 126 | struct ds2482_data { |
127 | struct i2c_client client; | 127 | struct i2c_client client; |
128 | struct semaphore access_lock; | 128 | struct mutex access_lock; |
129 | 129 | ||
130 | /* 1-wire interface(s) */ | 130 | /* 1-wire interface(s) */ |
131 | int w1_count; /* 1 or 8 */ | 131 | int w1_count; /* 1 or 8 */ |
@@ -265,7 +265,7 @@ static u8 ds2482_w1_touch_bit(void *data, u8 bit) | |||
265 | struct ds2482_data *pdev = pchan->pdev; | 265 | struct ds2482_data *pdev = pchan->pdev; |
266 | int status = -1; | 266 | int status = -1; |
267 | 267 | ||
268 | down(&pdev->access_lock); | 268 | mutex_lock(&pdev->access_lock); |
269 | 269 | ||
270 | /* Select the channel */ | 270 | /* Select the channel */ |
271 | ds2482_wait_1wire_idle(pdev); | 271 | ds2482_wait_1wire_idle(pdev); |
@@ -277,7 +277,7 @@ static u8 ds2482_w1_touch_bit(void *data, u8 bit) | |||
277 | bit ? 0xFF : 0)) | 277 | bit ? 0xFF : 0)) |
278 | status = ds2482_wait_1wire_idle(pdev); | 278 | status = ds2482_wait_1wire_idle(pdev); |
279 | 279 | ||
280 | up(&pdev->access_lock); | 280 | mutex_unlock(&pdev->access_lock); |
281 | 281 | ||
282 | return (status & DS2482_REG_STS_SBR) ? 1 : 0; | 282 | return (status & DS2482_REG_STS_SBR) ? 1 : 0; |
283 | } | 283 | } |
@@ -297,7 +297,7 @@ static u8 ds2482_w1_triplet(void *data, u8 dbit) | |||
297 | struct ds2482_data *pdev = pchan->pdev; | 297 | struct ds2482_data *pdev = pchan->pdev; |
298 | int status = (3 << 5); | 298 | int status = (3 << 5); |
299 | 299 | ||
300 | down(&pdev->access_lock); | 300 | mutex_lock(&pdev->access_lock); |
301 | 301 | ||
302 | /* Select the channel */ | 302 | /* Select the channel */ |
303 | ds2482_wait_1wire_idle(pdev); | 303 | ds2482_wait_1wire_idle(pdev); |
@@ -309,7 +309,7 @@ static u8 ds2482_w1_triplet(void *data, u8 dbit) | |||
309 | dbit ? 0xFF : 0)) | 309 | dbit ? 0xFF : 0)) |
310 | status = ds2482_wait_1wire_idle(pdev); | 310 | status = ds2482_wait_1wire_idle(pdev); |
311 | 311 | ||
312 | up(&pdev->access_lock); | 312 | mutex_unlock(&pdev->access_lock); |
313 | 313 | ||
314 | /* Decode the status */ | 314 | /* Decode the status */ |
315 | return (status >> 5); | 315 | return (status >> 5); |
@@ -326,7 +326,7 @@ static void ds2482_w1_write_byte(void *data, u8 byte) | |||
326 | struct ds2482_w1_chan *pchan = data; | 326 | struct ds2482_w1_chan *pchan = data; |
327 | struct ds2482_data *pdev = pchan->pdev; | 327 | struct ds2482_data *pdev = pchan->pdev; |
328 | 328 | ||
329 | down(&pdev->access_lock); | 329 | mutex_lock(&pdev->access_lock); |
330 | 330 | ||
331 | /* Select the channel */ | 331 | /* Select the channel */ |
332 | ds2482_wait_1wire_idle(pdev); | 332 | ds2482_wait_1wire_idle(pdev); |
@@ -336,7 +336,7 @@ static void ds2482_w1_write_byte(void *data, u8 byte) | |||
336 | /* Send the write byte command */ | 336 | /* Send the write byte command */ |
337 | ds2482_send_cmd_data(pdev, DS2482_CMD_1WIRE_WRITE_BYTE, byte); | 337 | ds2482_send_cmd_data(pdev, DS2482_CMD_1WIRE_WRITE_BYTE, byte); |
338 | 338 | ||
339 | up(&pdev->access_lock); | 339 | mutex_unlock(&pdev->access_lock); |
340 | } | 340 | } |
341 | 341 | ||
342 | /** | 342 | /** |
@@ -351,7 +351,7 @@ static u8 ds2482_w1_read_byte(void *data) | |||
351 | struct ds2482_data *pdev = pchan->pdev; | 351 | struct ds2482_data *pdev = pchan->pdev; |
352 | int result; | 352 | int result; |
353 | 353 | ||
354 | down(&pdev->access_lock); | 354 | mutex_lock(&pdev->access_lock); |
355 | 355 | ||
356 | /* Select the channel */ | 356 | /* Select the channel */ |
357 | ds2482_wait_1wire_idle(pdev); | 357 | ds2482_wait_1wire_idle(pdev); |
@@ -370,7 +370,7 @@ static u8 ds2482_w1_read_byte(void *data) | |||
370 | /* Read the data byte */ | 370 | /* Read the data byte */ |
371 | result = i2c_smbus_read_byte(&pdev->client); | 371 | result = i2c_smbus_read_byte(&pdev->client); |
372 | 372 | ||
373 | up(&pdev->access_lock); | 373 | mutex_unlock(&pdev->access_lock); |
374 | 374 | ||
375 | return result; | 375 | return result; |
376 | } | 376 | } |
@@ -389,7 +389,7 @@ static u8 ds2482_w1_reset_bus(void *data) | |||
389 | int err; | 389 | int err; |
390 | u8 retval = 1; | 390 | u8 retval = 1; |
391 | 391 | ||
392 | down(&pdev->access_lock); | 392 | mutex_lock(&pdev->access_lock); |
393 | 393 | ||
394 | /* Select the channel */ | 394 | /* Select the channel */ |
395 | ds2482_wait_1wire_idle(pdev); | 395 | ds2482_wait_1wire_idle(pdev); |
@@ -409,7 +409,7 @@ static u8 ds2482_w1_reset_bus(void *data) | |||
409 | 0xF0); | 409 | 0xF0); |
410 | } | 410 | } |
411 | 411 | ||
412 | up(&pdev->access_lock); | 412 | mutex_unlock(&pdev->access_lock); |
413 | 413 | ||
414 | return retval; | 414 | return retval; |
415 | } | 415 | } |
@@ -482,7 +482,7 @@ static int ds2482_detect(struct i2c_adapter *adapter, int address, int kind) | |||
482 | snprintf(new_client->name, sizeof(new_client->name), "ds2482-%d00", | 482 | snprintf(new_client->name, sizeof(new_client->name), "ds2482-%d00", |
483 | data->w1_count); | 483 | data->w1_count); |
484 | 484 | ||
485 | init_MUTEX(&data->access_lock); | 485 | mutex_init(&data->access_lock); |
486 | 486 | ||
487 | /* Tell the I2C layer a new client has arrived */ | 487 | /* Tell the I2C layer a new client has arrived */ |
488 | if ((err = i2c_attach_client(new_client))) | 488 | if ((err = i2c_attach_client(new_client))) |