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Date: Wed, 05 Jun 2024 10:40:24 +0200
From: Nuno Sá <noname.nuno@...il.com>
To: Alisa-Dariana Roman <alisadariana@...il.com>, Alisa-Dariana Roman
<alisa.roman@...log.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Michael Hennerich <michael.hennerich@...log.com>,
linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Lars-Peter Clausen <lars@...afoo.de>, Alexandru Tachici
<alexandru.tachici@...log.com>, Jonathan Cameron <jic23@...nel.org>, Rob
Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor
Dooley <conor+dt@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, Mark
Brown <broonie@...nel.org>
Subject: Re: [PATCH v2 1/3] iio: adc: ad7192: Clean up dev
On Wed, 2024-06-05 at 10:51 +0300, Alisa-Dariana Roman wrote:
> Clean up by using a local variable struct device *dev.
>
> Signed-off-by: Alisa-Dariana Roman <alisa.roman@...log.com>
> ---
> drivers/iio/adc/ad7192.c | 45 ++++++++++++++++++++--------------------
> 1 file changed, 23 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
> index 0789121236d6..f06cb7ac4b42 100644
> --- a/drivers/iio/adc/ad7192.c
> +++ b/drivers/iio/adc/ad7192.c
> @@ -1196,17 +1196,18 @@ static void ad7192_reg_disable(void *reg)
>
> static int ad7192_probe(struct spi_device *spi)
> {
> + struct device *dev = &spi->dev;
> struct ad7192_state *st;
> struct iio_dev *indio_dev;
> struct regulator *aincom;
> int ret;
>
> if (!spi->irq) {
> - dev_err(&spi->dev, "no IRQ?\n");
> + dev_err(dev, "no IRQ?\n");
Since you're here, dev_err_probe()?
> return -ENODEV;
> }
>
> - indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
> + indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
> if (!indio_dev)
> return -ENOMEM;
>
> @@ -1219,71 +1220,71 @@ static int ad7192_probe(struct spi_device *spi)
> * Newer firmware should provide a zero volt fixed supply if wired to
> * ground.
> */
> - aincom = devm_regulator_get_optional(&spi->dev, "aincom");
> + aincom = devm_regulator_get_optional(dev, "aincom");
> if (IS_ERR(aincom)) {
> if (PTR_ERR(aincom) != -ENODEV)
> - return dev_err_probe(&spi->dev, PTR_ERR(aincom),
> + return dev_err_probe(dev, PTR_ERR(aincom),
> "Failed to get AINCOM
> supply\n");
>
> st->aincom_mv = 0;
> } else {
> ret = regulator_enable(aincom);
> if (ret)
> - return dev_err_probe(&spi->dev, ret,
> + return dev_err_probe(dev, ret,
> "Failed to enable specified
> AINCOM supply\n");
>
> - ret = devm_add_action_or_reset(&spi->dev, ad7192_reg_disable,
> aincom);
> + ret = devm_add_action_or_reset(dev, ad7192_reg_disable,
> aincom);
> if (ret)
> return ret;
>
> ret = regulator_get_voltage(aincom);
> if (ret < 0)
> - return dev_err_probe(&spi->dev, ret,
> + return dev_err_probe(dev, ret,
> "Device tree error, AINCOM
> voltage undefined\n");
> st->aincom_mv = ret / MILLI;
> }
>
> - st->avdd = devm_regulator_get(&spi->dev, "avdd");
> + st->avdd = devm_regulator_get(dev, "avdd");
> if (IS_ERR(st->avdd))
> return PTR_ERR(st->avdd);
>
> ret = regulator_enable(st->avdd);
> if (ret) {
> - dev_err(&spi->dev, "Failed to enable specified AVdd
> supply\n");
> + dev_err(dev, "Failed to enable specified AVdd supply\n");
ditto
> return ret;
> }
>
> - ret = devm_add_action_or_reset(&spi->dev, ad7192_reg_disable, st-
> >avdd);
> + ret = devm_add_action_or_reset(dev, ad7192_reg_disable, st->avdd);
> if (ret)
> return ret;
>
> - ret = devm_regulator_get_enable(&spi->dev, "dvdd");
> + ret = devm_regulator_get_enable(dev, "dvdd");
> if (ret)
> - return dev_err_probe(&spi->dev, ret, "Failed to enable
> specified DVdd supply\n");
> + return dev_err_probe(dev, ret, "Failed to enable specified
> DVdd supply\n");
>
> - st->vref = devm_regulator_get_optional(&spi->dev, "vref");
> + st->vref = devm_regulator_get_optional(dev, "vref");
> if (IS_ERR(st->vref)) {
> if (PTR_ERR(st->vref) != -ENODEV)
> return PTR_ERR(st->vref);
>
> ret = regulator_get_voltage(st->avdd);
> if (ret < 0)
> - return dev_err_probe(&spi->dev, ret,
> + return dev_err_probe(dev, ret,
> "Device tree error, AVdd voltage
> undefined\n");
> } else {
> ret = regulator_enable(st->vref);
> if (ret) {
> - dev_err(&spi->dev, "Failed to enable specified Vref
> supply\n");
> + dev_err(dev, "Failed to enable specified Vref
> supply\n");
ditto
> return ret;
> }
>
> - ret = devm_add_action_or_reset(&spi->dev, ad7192_reg_disable,
> st->vref);
> + ret = devm_add_action_or_reset(dev, ad7192_reg_disable, st-
> >vref);
> if (ret)
> return ret;
>
> ret = regulator_get_voltage(st->vref);
> if (ret < 0)
> - return dev_err_probe(&spi->dev, ret,
> + return dev_err_probe(dev, ret,
> "Device tree error, Vref voltage
> undefined\n");
> }
> st->int_vref_mv = ret / 1000;
> @@ -1305,13 +1306,13 @@ static int ad7192_probe(struct spi_device *spi)
> if (ret)
> return ret;
>
> - ret = devm_ad_sd_setup_buffer_and_trigger(&spi->dev, indio_dev);
> + ret = devm_ad_sd_setup_buffer_and_trigger(dev, indio_dev);
> if (ret)
> return ret;
>
> st->fclk = AD7192_INT_FREQ_MHZ;
>
> - st->mclk = devm_clk_get_optional_enabled(&spi->dev, "mclk");
> + st->mclk = devm_clk_get_optional_enabled(dev, "mclk");
> if (IS_ERR(st->mclk))
> return PTR_ERR(st->mclk);
>
> @@ -1321,17 +1322,17 @@ static int ad7192_probe(struct spi_device *spi)
> st->clock_sel == AD7192_CLK_EXT_MCLK2) {
> st->fclk = clk_get_rate(st->mclk);
> if (!ad7192_valid_external_frequency(st->fclk)) {
> - dev_err(&spi->dev,
> + dev_err(dev,
> "External clock frequency out of bounds\n");
ditto
- Nuno Sá
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