[PATCH 01/15] iio: adc: stm32: use devm_of_platform_populate()

From: Benjamin Gaignard
Date: Mon May 29 2017 - 11:49:44 EST


Use devm_of_platform_populate() instead of of_platform_populate and
of_platform_depopulate to simplify driver code

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>

CC: Jonathan Cameron <jic23@xxxxxxxxxx>
CC: Hartmut Knaack <knaack.h@xxxxxx>
CC: Lars-Peter Clausen <lars@xxxxxxxxxx>
CC: Alexandre Torgue <alexandre.torgue@xxxxxx>
CC: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
CC: linux-iio@xxxxxxxxxxxxxxx
CC: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/iio/adc/stm32-adc-core.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c
index 22b7c93..46e41dc5 100644
--- a/drivers/iio/adc/stm32-adc-core.c
+++ b/drivers/iio/adc/stm32-adc-core.c
@@ -186,7 +186,6 @@ static void stm32_adc_irq_remove(struct platform_device *pdev,
static int stm32_adc_probe(struct platform_device *pdev)
{
struct stm32_adc_priv *priv;
- struct device_node *np = pdev->dev.of_node;
struct resource *res;
int ret;

@@ -249,7 +248,7 @@ static int stm32_adc_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, &priv->common);

- ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
+ ret = devm_of_platform_populate(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "failed to populate DT children\n");
goto err_irq_remove;
@@ -274,7 +273,6 @@ static int stm32_adc_remove(struct platform_device *pdev)
struct stm32_adc_common *common = platform_get_drvdata(pdev);
struct stm32_adc_priv *priv = to_stm32_adc_priv(common);

- of_platform_depopulate(&pdev->dev);
stm32_adc_irq_remove(pdev, priv);
clk_disable_unprepare(priv->aclk);
regulator_disable(priv->vref);
--
1.9.1