linux-kernel - [PATCH v2 5/6] iio: light: lm3533-als: use iio_device_set

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Date:   Wed, 3 Jun 2020 14:40:22 +0300
From:   Alexandru Ardelean <alexandru.ardelean@...log.com>
To:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <johan@...nel.org>, <andy.shevchenko@...il.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH v2 5/6] iio: light: lm3533-als: use iio_device_set_parent() to assign parent

This assignment is the more peculiar as it assigns the parent of the
platform-device's device (i.e. pdev->dev.parent) as the IIO device's
parent.

Since the devm_iio_device_alloc() [now] assigns the device argument as the
default parent (and since this is the more common case), for cases
where the parent needs to be different, the iio_device_set_parent helper
should be used.

That makes things a bit more obvious about the new behavior of
devm_iio_device_alloc() and makes it clearer that iio_device_set_parent()
should be used.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
---
 drivers/iio/light/lm3533-als.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index bc196c212881..8a621244dd01 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -852,7 +852,7 @@ static int lm3533_als_probe(struct platform_device *pdev)
 	indio_dev->channels = lm3533_als_channels;
 	indio_dev->num_channels = ARRAY_SIZE(lm3533_als_channels);
 	indio_dev->name = dev_name(&pdev->dev);
-	indio_dev->dev.parent = pdev->dev.parent;
+	iio_device_set_parent(indio_dev, pdev->dev.parent);
 	indio_dev->modes = INDIO_DIRECT_MODE;

 	als = iio_priv(indio_dev);
-- 
2.25.1