Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: frequency: adf4377: add dev variable
Introduce a local struct device pointer in functions that reference
&spi->dev for device-managed resource calls and device property reads,
improving code readability.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Antoniu Miclaus
and committed by
Jonathan Cameron
b2d2a6ea
9e9f38c4
+14
-13
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-13
drivers/iio/frequency/adf4377.c
+14
-13
drivers/iio/frequency/adf4377.c
···
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static int adf4377_properties_parse(struct adf4377_state *st)
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{
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-
struct spi_device *spi = st->spi;
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+
struct device *dev = &st->spi->dev;
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int ret;
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-
st->clkin = devm_clk_get_enabled(&spi->dev, "ref_in");
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st->clkin = devm_clk_get_enabled(dev, "ref_in");
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if (IS_ERR(st->clkin))
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return dev_err_probe(&spi->dev, PTR_ERR(st->clkin),
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return dev_err_probe(dev, PTR_ERR(st->clkin),
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"failed to get the reference input clock\n");
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st->gpio_ce = devm_gpiod_get_optional(&st->spi->dev, "chip-enable",
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st->gpio_ce = devm_gpiod_get_optional(dev, "chip-enable",
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GPIOD_OUT_LOW);
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if (IS_ERR(st->gpio_ce))
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return dev_err_probe(&spi->dev, PTR_ERR(st->gpio_ce),
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return dev_err_probe(dev, PTR_ERR(st->gpio_ce),
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"failed to get the CE GPIO\n");
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st->gpio_enclk1 = devm_gpiod_get_optional(&st->spi->dev, "clk1-enable",
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st->gpio_enclk1 = devm_gpiod_get_optional(dev, "clk1-enable",
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GPIOD_OUT_LOW);
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if (IS_ERR(st->gpio_enclk1))
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return dev_err_probe(&spi->dev, PTR_ERR(st->gpio_enclk1),
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return dev_err_probe(dev, PTR_ERR(st->gpio_enclk1),
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"failed to get the CE GPIO\n");
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if (st->chip_info->has_gpio_enclk2) {
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st->gpio_enclk2 = devm_gpiod_get_optional(&st->spi->dev, "clk2-enable",
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st->gpio_enclk2 = devm_gpiod_get_optional(dev, "clk2-enable",
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GPIOD_OUT_LOW);
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if (IS_ERR(st->gpio_enclk2))
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return dev_err_probe(&spi->dev, PTR_ERR(st->gpio_enclk2),
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return dev_err_probe(dev, PTR_ERR(st->gpio_enclk2),
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"failed to get the CE GPIO\n");
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}
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ret = device_property_match_property_string(&spi->dev, "adi,muxout-select",
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ret = device_property_match_property_string(dev, "adi,muxout-select",
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adf4377_muxout_modes,
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ARRAY_SIZE(adf4377_muxout_modes));
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if (ret >= 0)
···
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struct iio_dev *indio_dev;
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struct regmap *regmap;
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struct adf4377_state *st;
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struct device *dev = &spi->dev;
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int ret;
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indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
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indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
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if (!indio_dev)
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return -ENOMEM;
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···
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return ret;
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st->nb.notifier_call = adf4377_freq_change;
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ret = devm_clk_notifier_register(&spi->dev, st->clkin, &st->nb);
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ret = devm_clk_notifier_register(dev, st->clkin, &st->nb);
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if (ret)
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return ret;
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···
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indio_dev->num_channels = ARRAY_SIZE(adf4377_channels);
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}
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return devm_iio_device_register(&spi->dev, indio_dev);
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return devm_iio_device_register(dev, indio_dev);
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}
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static const struct spi_device_id adf4377_id[] = {