linux-kernel - [PATCH v1 1/2] iio: adc: nau7802: Convert driver to use ->probe

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Date:   Wed,  1 Jun 2022 00:39:21 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Alexandru Ardelean <aardelean@...iqon.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/2] iio: adc: nau7802: Convert driver to use ->probe_new()

Use the ->probe_new() callback.

The driver does not use const struct i2c_device_id * argument,
so convert it to utilise the simplified I²C driver registration.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/iio/adc/nau7802.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c
index 976c235f3079..2d71cdbcd82f 100644
--- a/drivers/iio/adc/nau7802.c
+++ b/drivers/iio/adc/nau7802.c
@@ -407,8 +407,7 @@ static const struct iio_info nau7802_info = {
 	.attrs = &nau7802_attribute_group,
 };
 
-static int nau7802_probe(struct i2c_client *client,
-			const struct i2c_device_id *id)
+static int nau7802_probe(struct i2c_client *client)
 {
 	struct iio_dev *indio_dev;
 	struct nau7802_state *st;
@@ -417,11 +416,6 @@ static int nau7802_probe(struct i2c_client *client,
 	u8 data;
 	u32 tmp = 0;
 
-	if (!client->dev.of_node) {
-		dev_err(&client->dev, "No device tree node available.\n");
-		return -EINVAL;
-	}
-
 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
 	if (indio_dev == NULL)
 		return -ENOMEM;
@@ -550,7 +544,7 @@ static const struct of_device_id nau7802_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, nau7802_dt_ids);
 
 static struct i2c_driver nau7802_driver = {
-	.probe = nau7802_probe,
+	.probe_new = nau7802_probe,
 	.id_table = nau7802_i2c_id,
 	.driver = {
 		   .name = "nau7802",
-- 
2.35.1