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iio: frequency: adf4350: Use devm_* APIs

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devm_* APIs are device managed and make code simpler.
This also takes care of missing clk_put function calls implicitly.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-07-22 12:02:00 +01:00 committed by Jonathan Cameron
parent 6917e1d9af
commit a8b168a15f
1 changed files with 9 additions and 22 deletions
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31
drivers/iio/frequency/adf4350.c
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@ -515,7 +515,7 @@ static int adf4350_probe(struct spi_device *spi)
}
if (!pdata->clkin) {
clk = clk_get(&spi->dev, "clkin");
clk = devm_clk_get(&spi->dev, "clkin");
if (IS_ERR(clk))
return -EPROBE_DEFER;
@ -524,17 +524,17 @@ static int adf4350_probe(struct spi_device *spi)
return ret;
}
indio_dev = iio_device_alloc(sizeof(*st));
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
st = iio_priv(indio_dev);
st->reg = regulator_get(&spi->dev, "vcc");
st->reg = devm_regulator_get(&spi->dev, "vcc");
if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
goto error_put_reg;
goto error_disable_clk;
}
spi_set_drvdata(spi, indio_dev);
@ -564,7 +564,8 @@ static int adf4350_probe(struct spi_device *spi)
memset(st->regs_hw, 0xFF, sizeof(st->regs_hw));
if (gpio_is_valid(pdata->gpio_lock_detect)) {
ret = gpio_request(pdata->gpio_lock_detect, indio_dev->name);
ret = devm_gpio_request(&spi->dev, pdata->gpio_lock_detect,
indio_dev->name);
if (ret) {
dev_err(&spi->dev, "fail to request lock detect GPIO-%d",
pdata->gpio_lock_detect);
@ -576,29 +577,21 @@ static int adf4350_probe(struct spi_device *spi)
if (pdata->power_up_frequency) {
ret = adf4350_set_freq(st, pdata->power_up_frequency);
if (ret)
goto error_free_gpio;
goto error_disable_reg;
}
ret = iio_device_register(indio_dev);
if (ret)
goto error_free_gpio;
goto error_disable_reg;
return 0;
error_free_gpio:
if (gpio_is_valid(pdata->gpio_lock_detect))
gpio_free(pdata->gpio_lock_detect);
error_disable_reg:
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
error_put_reg:
if (!IS_ERR(st->reg))
regulator_put(st->reg);
error_disable_clk:
if (clk)
clk_disable_unprepare(clk);
iio_device_free(indio_dev);
return ret;
}
@ -619,14 +612,8 @@ static int adf4350_remove(struct spi_device *spi)
if (!IS_ERR(reg)) {
regulator_disable(reg);
regulator_put(reg);
}
if (gpio_is_valid(st->pdata->gpio_lock_detect))
gpio_free(st->pdata->gpio_lock_detect);
iio_device_free(indio_dev);
return 0;
}