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From: Biju Das <biju.das.jz@bp.renesas.com>
To: Jonathan Cameron <jic23@kernel.org>
Cc: "Biju Das" <biju.das.jz@bp.renesas.com>,
	"Lars-Peter Clausen" <lars@metafoo.de>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Crt Mori" <cmo@melexis.com>, "Marek Vasut" <marex@denx.de>,
	linux-iio@vger.kernel.org,
	"Geert Uytterhoeven" <geert+renesas@glider.be>,
	linux-renesas-soc@vger.kernel.org
Subject: [PATCH 1/2] iio: dac: mcp4725: Replace variable 'id' from struct mcp4725_data
Date: Sat, 12 Aug 2023 12:54:48 +0100	[thread overview]
Message-ID: <20230812115449.89942-2-biju.das.jz@bp.renesas.com> (raw)
In-Reply-To: <20230812115449.89942-1-biju.das.jz@bp.renesas.com>

Replace the variable 'id' from struct mcp4725_data with local variable
chip_id in probe().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 drivers/iio/dac/mcp4725.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
index f4a3124d29f2..33a61f65bc25 100644
--- a/drivers/iio/dac/mcp4725.c
+++ b/drivers/iio/dac/mcp4725.c
@@ -32,7 +32,6 @@
 
 struct mcp4725_data {
 	struct i2c_client *client;
-	int id;
 	unsigned ref_mode;
 	bool vref_buffered;
 	u16 dac_value;
@@ -387,6 +386,7 @@ static int mcp4725_probe(struct i2c_client *client)
 	struct mcp4725_data *data;
 	struct iio_dev *indio_dev;
 	struct mcp4725_platform_data *pdata, pdata_dt;
+	int chip_id;
 	u8 inbuf[4];
 	u8 pd;
 	u8 ref;
@@ -399,9 +399,9 @@ static int mcp4725_probe(struct i2c_client *client)
 	i2c_set_clientdata(client, indio_dev);
 	data->client = client;
 	if (dev_fwnode(&client->dev))
-		data->id = (uintptr_t)device_get_match_data(&client->dev);
+		chip_id = (uintptr_t)device_get_match_data(&client->dev);
 	else
-		data->id = id->driver_data;
+		chip_id = id->driver_data;
 	pdata = dev_get_platdata(&client->dev);
 
 	if (!pdata) {
@@ -414,7 +414,7 @@ static int mcp4725_probe(struct i2c_client *client)
 		pdata = &pdata_dt;
 	}
 
-	if (data->id == MCP4725 && pdata->use_vref) {
+	if (chip_id == MCP4725 && pdata->use_vref) {
 		dev_err(&client->dev,
 			"external reference is unavailable on MCP4725");
 		return -EINVAL;
@@ -455,12 +455,12 @@ static int mcp4725_probe(struct i2c_client *client)
 
 	indio_dev->name = id->name;
 	indio_dev->info = &mcp4725_info;
-	indio_dev->channels = &mcp472x_channel[id->driver_data];
+	indio_dev->channels = &mcp472x_channel[chip_id];
 	indio_dev->num_channels = 1;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 
 	/* read current DAC value and settings */
-	err = i2c_master_recv(client, inbuf, data->id == MCP4725 ? 3 : 4);
+	err = i2c_master_recv(client, inbuf, chip_id == MCP4725 ? 3 : 4);
 
 	if (err < 0) {
 		dev_err(&client->dev, "failed to read DAC value");
@@ -470,10 +470,10 @@ static int mcp4725_probe(struct i2c_client *client)
 	data->powerdown = pd > 0;
 	data->powerdown_mode = pd ? pd - 1 : 2; /* largest resistor to gnd */
 	data->dac_value = (inbuf[1] << 4) | (inbuf[2] >> 4);
-	if (data->id == MCP4726)
+	if (chip_id == MCP4726)
 		ref = (inbuf[3] >> 3) & 0x3;
 
-	if (data->id == MCP4726 && ref != data->ref_mode) {
+	if (chip_id == MCP4726 && ref != data->ref_mode) {
 		dev_info(&client->dev,
 			"voltage reference mode differs (conf: %u, eeprom: %u), setting %u",
 			data->ref_mode, ref, data->ref_mode);
-- 
2.25.1


  reply	other threads:[~2023-08-12 11:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-12 11:54 [PATCH 0/2] Use i2c_get_match_data() for mcp4725 DAC Biju Das
2023-08-12 11:54 ` Biju Das [this message]
2023-08-12 16:18   ` [PATCH 1/2] iio: dac: mcp4725: Replace variable 'id' from struct mcp4725_data Marek Vasut
2023-08-14  8:18     ` Biju Das
2023-08-12 11:54 ` [PATCH 2/2] iio: dac: mcp4725: Use i2c_get_match_data() Biju Das

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