linux-kernel - [PATCH v2] iio: proximity: as3935 change of_property_read to device_property

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Message-ID: <20201018031732.GA27204@ubuntu>
Date:   Sun, 18 Oct 2020 08:47:32 +0530
From:   Vaishnav M A <vaishnav@...gleboard.org>
To:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, alexandru.ardelean@...log.com,
        linus.walleij@...aro.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     jkridner@...gleboard.org, drew@...gleboard.org,
        robertcnelson@...gleboard.org, rajkovic@...roe.com
Subject: [PATCH v2] iio: proximity: as3935 change of_property_read to
 device_property_read

replace the of_property_read_u32 for reading
the ams,tuning-capacitor-pf, ams,nflwdth properties with
device_property_read_u32, allows the driver to get the properties
information using the more generic device_property_* helpers and opens
the possibility of passing the properties during platform instantiation
of the device by a suitably populated struct property_entry

Signed-off-by: Vaishnav M A <vaishnav@...gleboard.org>
---
 v2:
	- fix commit message
 drivers/iio/proximity/as3935.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index c339e7339ec8..7e47ddf89a56 100644
--- a/drivers/iio/proximity/as3935.c
+++ b/drivers/iio/proximity/as3935.c
@@ -355,7 +355,6 @@ static int as3935_probe(struct spi_device *spi)
 	struct iio_dev *indio_dev;
 	struct iio_trigger *trig;
 	struct as3935_state *st;
-	struct device_node *np = spi->dev.of_node;
 	int ret;
 
 	/* Be sure lightning event interrupt is specified */
@@ -374,7 +373,7 @@ static int as3935_probe(struct spi_device *spi)
 	spi_set_drvdata(spi, indio_dev);
 	mutex_init(&st->lock);
 
-	ret = of_property_read_u32(np,
+	ret = device_property_read_u32(&spi->dev,
 			"ams,tuning-capacitor-pf", &st->tune_cap);
 	if (ret) {
 		st->tune_cap = 0;
@@ -390,7 +389,7 @@ static int as3935_probe(struct spi_device *spi)
 		return -EINVAL;
 	}
 
-	ret = of_property_read_u32(np,
+	ret = device_property_read_u32(&spi->dev,
 			"ams,nflwdth", &st->nflwdth_reg);
 	if (!ret && st->nflwdth_reg > AS3935_NFLWDTH_MASK) {
 		dev_err(&spi->dev,
-- 
2.25.1