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IIO: ADC: stm32-dfsdm: code optimization

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Use of_device_get_match_data to optimize the source code.
No check is needed on dev_data as match table is defined in driver.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Arnaud Pouliquen 2018-01-15 09:57:39 +01:00 committed by Mark Brown
parent d5ff18bcd4
commit abaca806fd
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 2 additions and 15 deletions
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9
drivers/iio/adc/stm32-dfsdm-adc.c
View File

@ -1087,18 +1087,11 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
struct device_node *np = dev->of_node;
const struct stm32_dfsdm_dev_data *dev_data;
struct iio_dev *iio;
const struct of_device_id *of_id;
char *name;
int ret, irq, val;
of_id = of_match_node(stm32_dfsdm_adc_match, np);
if (!of_id->data) {
dev_err(&pdev->dev, "Data associated to device is missing\n");
return -EINVAL;
}
dev_data = (const struct stm32_dfsdm_dev_data *)of_id->data;
dev_data = of_device_get_match_data(dev);
iio = devm_iio_device_alloc(dev, sizeof(*adc));
if (!iio) {
dev_err(dev, "%s: Failed to allocate IIO\n", __func__);

8
drivers/iio/adc/stm32-dfsdm-core.c
View File

@ -242,7 +242,6 @@ MODULE_DEVICE_TABLE(of, stm32_dfsdm_of_match);
static int stm32_dfsdm_probe(struct platform_device *pdev)
{
struct dfsdm_priv *priv;
const struct of_device_id *of_id;
const struct stm32_dfsdm_dev_data *dev_data;
struct stm32_dfsdm *dfsdm;
int ret;
@ -253,13 +252,8 @@ static int stm32_dfsdm_probe(struct platform_device *pdev)
priv->pdev = pdev;
of_id = of_match_node(stm32_dfsdm_of_match, pdev->dev.of_node);
if (!of_id->data) {
dev_err(&pdev->dev, "Data associated to device is missing\n");
return -EINVAL;
}
dev_data = of_device_get_match_data(&pdev->dev);
dev_data = (const struct stm32_dfsdm_dev_data *)of_id->data;
dfsdm = &priv->dfsdm;
dfsdm->fl_list = devm_kcalloc(&pdev->dev, dev_data->num_filters,
sizeof(*dfsdm->fl_list), GFP_KERNEL);