From 4ea454d2c1a38dd8c75a185019fea14ea34401b8 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Tue, 23 Jul 2013 09:58:00 +0100 Subject: [PATCH] iio: adc: ad7476: 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/ad7476.c | 26 ++++++++------------------ 1 file changed, 8 insertions(+), 18 deletions(-) diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c index 2e98bef4af67..6d2b1d8d1a1f 100644 --- a/drivers/iio/adc/ad7476.c +++ b/drivers/iio/adc/ad7476.c @@ -213,24 +213,21 @@ static int ad7476_probe(struct spi_device *spi) struct iio_dev *indio_dev; int ret; - indio_dev = iio_device_alloc(sizeof(*st)); - if (indio_dev == NULL) { - ret = -ENOMEM; - goto error_ret; - } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); + if (!indio_dev) + return -ENOMEM; + st = iio_priv(indio_dev); st->chip_info = &ad7476_chip_info_tbl[spi_get_device_id(spi)->driver_data]; - st->reg = regulator_get(&spi->dev, "vcc"); - if (IS_ERR(st->reg)) { - ret = PTR_ERR(st->reg); - goto error_free_dev; - } + st->reg = devm_regulator_get(&spi->dev, "vcc"); + if (IS_ERR(st->reg)) + return PTR_ERR(st->reg); ret = regulator_enable(st->reg); if (ret) - goto error_put_reg; + return ret; spi_set_drvdata(spi, indio_dev); @@ -268,12 +265,7 @@ error_ring_unregister: iio_triggered_buffer_cleanup(indio_dev); error_disable_reg: regulator_disable(st->reg); -error_put_reg: - regulator_put(st->reg); -error_free_dev: - iio_device_free(indio_dev); -error_ret: return ret; } @@ -285,8 +277,6 @@ static int ad7476_remove(struct spi_device *spi) iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); regulator_disable(st->reg); - regulator_put(st->reg); - iio_device_free(indio_dev); return 0; } -- 2.20.1