From eb8fe60784ee6d8bbe32f635254f71fdc4a10727 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 23 Jul 2013 09:58:00 +0100 Subject: [PATCH] iio: adc: ad7791: Use devm_* APIs devm_* APIs are device managed and make code simpler. Signed-off-by: Sachin Kamat Acked-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ad7791.c | 19 +++++-------------- 1 file changed, 5 insertions(+), 14 deletions(-) diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c index 5e8d1da6887f..c20203577d2d 100644 --- a/drivers/iio/adc/ad7791.c +++ b/drivers/iio/adc/ad7791.c @@ -361,21 +361,19 @@ static int ad7791_probe(struct spi_device *spi) return -ENXIO; } - indio_dev = iio_device_alloc(sizeof(*st)); + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) return -ENOMEM; st = iio_priv(indio_dev); - st->reg = regulator_get(&spi->dev, "refin"); - if (IS_ERR(st->reg)) { - ret = PTR_ERR(st->reg); - goto err_iio_free; - } + st->reg = devm_regulator_get(&spi->dev, "refin"); + if (IS_ERR(st->reg)) + return PTR_ERR(st->reg); ret = regulator_enable(st->reg); if (ret) - goto error_put_reg; + return ret; st->info = &ad7791_chip_infos[spi_get_device_id(spi)->driver_data]; ad_sd_init(&st->sd, indio_dev, spi, &ad7791_sigma_delta_info); @@ -410,10 +408,6 @@ error_remove_trigger: ad_sd_cleanup_buffer_and_trigger(indio_dev); error_disable_reg: regulator_disable(st->reg); -error_put_reg: - regulator_put(st->reg); -err_iio_free: - iio_device_free(indio_dev); return ret; } @@ -427,9 +421,6 @@ static int ad7791_remove(struct spi_device *spi) ad_sd_cleanup_buffer_and_trigger(indio_dev); regulator_disable(st->reg); - regulator_put(st->reg); - - iio_device_free(indio_dev); return 0; } -- 2.20.1