From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f51.google.com ([74.125.83.51]:62490 "EHLO mail-ee0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751161Ab3IPQCv (ORCPT ); Mon, 16 Sep 2013 12:02:51 -0400 Received: by mail-ee0-f51.google.com with SMTP id c1so2092893eek.24 for ; Mon, 16 Sep 2013 09:02:50 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, jic23@cam.ac.uk Cc: arnd@arndb.de, linus.walleij@linaro.org, denis.ciocca@st.com, linux-iio@vger.kernel.org, Lee Jones Subject: [PATCH 14/20] iio: pressure-core: st: Clean-up probe() function Date: Mon, 16 Sep 2013 17:02:20 +0100 Message-Id: <1379347346-823-15-git-send-email-lee.jones@linaro.org> In-Reply-To: <1379347346-823-1-git-send-email-lee.jones@linaro.org> References: <1379347346-823-1-git-send-email-lee.jones@linaro.org> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org This patch contains some pretty basic clean-ups in probe() pertaining to the simplification of error handling and a couple of readability adaptions. Signed-off-by: Lee Jones --- drivers/iio/pressure/st_pressure_core.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 3abada2..4539953 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -232,21 +232,23 @@ static const struct iio_trigger_ops st_press_trigger_ops = { int st_press_common_probe(struct iio_dev *indio_dev, struct st_sensors_platform_data *plat_data) { - int err; struct st_sensor_data *pdata = iio_priv(indio_dev); + int irq = pdata->get_irq_data_ready(indio_dev); + int err; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &press_info; err = st_sensors_check_device_support(indio_dev, - ARRAY_SIZE(st_press_sensors), st_press_sensors); + ARRAY_SIZE(st_press_sensors), + st_press_sensors); if (err < 0) - goto st_press_common_probe_error; + return err; pdata->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS; - pdata->multiread_bit = pdata->sensor->multi_read_bit; - indio_dev->channels = pdata->sensor->ch; - indio_dev->num_channels = pdata->sensor->num_ch; + pdata->multiread_bit = pdata->sensor->multi_read_bit; + indio_dev->channels = pdata->sensor->ch; + indio_dev->num_channels = pdata->sensor->num_ch; if (pdata->sensor->fs.addr != 0) pdata->current_fullscale = (struct st_sensor_fullscale_avl *) @@ -261,15 +263,15 @@ int st_press_common_probe(struct iio_dev *indio_dev, err = st_sensors_init_sensor(indio_dev, plat_data); if (err < 0) - goto st_press_common_probe_error; + return err; - if (pdata->get_irq_data_ready(indio_dev) > 0) { + if (irq > 0) { err = st_press_allocate_ring(indio_dev); if (err < 0) - goto st_press_common_probe_error; + return err; err = st_sensors_allocate_trigger(indio_dev, - ST_PRESS_TRIGGER_OPS); + ST_PRESS_TRIGGER_OPS); if (err < 0) goto st_press_probe_trigger_error; } @@ -281,12 +283,12 @@ int st_press_common_probe(struct iio_dev *indio_dev, return err; st_press_device_register_error: - if (pdata->get_irq_data_ready(indio_dev) > 0) + if (irq > 0) st_sensors_deallocate_trigger(indio_dev); st_press_probe_trigger_error: - if (pdata->get_irq_data_ready(indio_dev) > 0) + if (irq > 0) st_press_deallocate_ring(indio_dev); -st_press_common_probe_error: + return err; } EXPORT_SYMBOL(st_press_common_probe); -- 1.8.1.2