aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio
diff options
context:
space:
mode:
authorSachin Kamat <sachin.kamat@linaro.org>2013-08-19 07:38:00 -0400
committerJonathan Cameron <jic23@kernel.org>2013-08-19 15:20:28 -0400
commitc367982ad9b927ec1b1fd66a462b72950fe5370b (patch)
tree7eff313a8f5c883875b2f20b6565c42cbfaf6acb /drivers/iio
parentfa659a40b80b06140390c364362d7ca942e2b2f6 (diff)
iio: dac: ad5064: Use devm_* APIs
devm_* APIs are device managed and make code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/dac/ad5064.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index aa26d50ab638..a3a52be4852c 100644
--- a/drivers/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
@@ -442,7 +442,7 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
442 unsigned int i; 442 unsigned int i;
443 int ret; 443 int ret;
444 444
445 indio_dev = iio_device_alloc(sizeof(*st)); 445 indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
446 if (indio_dev == NULL) 446 if (indio_dev == NULL)
447 return -ENOMEM; 447 return -ENOMEM;
448 448
@@ -456,23 +456,23 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
456 for (i = 0; i < ad5064_num_vref(st); ++i) 456 for (i = 0; i < ad5064_num_vref(st); ++i)
457 st->vref_reg[i].supply = ad5064_vref_name(st, i); 457 st->vref_reg[i].supply = ad5064_vref_name(st, i);
458 458
459 ret = regulator_bulk_get(dev, ad5064_num_vref(st), 459 ret = devm_regulator_bulk_get(dev, ad5064_num_vref(st),
460 st->vref_reg); 460 st->vref_reg);
461 if (ret) { 461 if (ret) {
462 if (!st->chip_info->internal_vref) 462 if (!st->chip_info->internal_vref)
463 goto error_free; 463 return ret;
464 st->use_internal_vref = true; 464 st->use_internal_vref = true;
465 ret = ad5064_write(st, AD5064_CMD_CONFIG, 0, 465 ret = ad5064_write(st, AD5064_CMD_CONFIG, 0,
466 AD5064_CONFIG_INT_VREF_ENABLE, 0); 466 AD5064_CONFIG_INT_VREF_ENABLE, 0);
467 if (ret) { 467 if (ret) {
468 dev_err(dev, "Failed to enable internal vref: %d\n", 468 dev_err(dev, "Failed to enable internal vref: %d\n",
469 ret); 469 ret);
470 goto error_free; 470 return ret;
471 } 471 }
472 } else { 472 } else {
473 ret = regulator_bulk_enable(ad5064_num_vref(st), st->vref_reg); 473 ret = regulator_bulk_enable(ad5064_num_vref(st), st->vref_reg);
474 if (ret) 474 if (ret)
475 goto error_free_reg; 475 return ret;
476 } 476 }
477 477
478 indio_dev->dev.parent = dev; 478 indio_dev->dev.parent = dev;
@@ -498,11 +498,6 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
498error_disable_reg: 498error_disable_reg:
499 if (!st->use_internal_vref) 499 if (!st->use_internal_vref)
500 regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg); 500 regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg);
501error_free_reg:
502 if (!st->use_internal_vref)
503 regulator_bulk_free(ad5064_num_vref(st), st->vref_reg);
504error_free:
505 iio_device_free(indio_dev);
506 501
507 return ret; 502 return ret;
508} 503}
@@ -514,12 +509,8 @@ static int ad5064_remove(struct device *dev)
514 509
515 iio_device_unregister(indio_dev); 510 iio_device_unregister(indio_dev);
516 511
517 if (!st->use_internal_vref) { 512 if (!st->use_internal_vref)
518 regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg); 513 regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg);
519 regulator_bulk_free(ad5064_num_vref(st), st->vref_reg);
520 }
521
522 iio_device_free(indio_dev);
523 514
524 return 0; 515 return 0;
525} 516}