linux-kernel - [PATCH 03/14] iio: pressure: mprls0025pa: rename buffer variable

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Message-Id: <20251218-mprls_cleanup-v1-3-b36a170f1a5c@subdimension.ro>
Date: Thu, 18 Dec 2025 13:05:45 +0200
From: Petre Rodan <petre.rodan@...dimension.ro>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Andreas Klinger <ak@...klinger.de>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH 03/14] iio: pressure: mprls0025pa: rename buffer variable

For the reason of better naming consistency rename priv->buffer into
priv->rx_buf since tx_buf will get introduced in the next patch.

Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
---
 drivers/iio/pressure/mprls0025pa.c     | 10 +++++-----
 drivers/iio/pressure/mprls0025pa.h     |  4 ++--
 drivers/iio/pressure/mprls0025pa_i2c.c |  4 ++--
 drivers/iio/pressure/mprls0025pa_spi.c |  2 +-
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/iio/pressure/mprls0025pa.c b/drivers/iio/pressure/mprls0025pa.c
index d3e76eed07e6..a1fd3807b455 100644
--- a/drivers/iio/pressure/mprls0025pa.c
+++ b/drivers/iio/pressure/mprls0025pa.c
@@ -230,7 +230,7 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
 					ret);
 				return ret;
 			}
-			if (!(data->buffer[0] & MPR_ST_ERR_FLAG))
+			if (!(data->rx_buf[0] & MPR_ST_ERR_FLAG))
 				break;
 		}
 		if (i == nloops) {
@@ -243,15 +243,15 @@ static int mpr_read_pressure(struct mpr_data *data, s32 *press)
 	if (ret < 0)
 		return ret;
 
-	if (data->buffer[0] & MPR_ST_ERR_FLAG) {
+	if (data->rx_buf[0] & MPR_ST_ERR_FLAG) {
 		dev_err(data->dev,
-			"unexpected status byte %02x\n", data->buffer[0]);
+			"unexpected status byte %02x\n", data->rx_buf[0]);
 		return -ETIMEDOUT;
 	}
 
-	*press = get_unaligned_be24(&data->buffer[1]);
+	*press = get_unaligned_be24(&data->rx_buf[1]);
 
-	dev_dbg(dev, "received: %*ph cnt: %d\n", ret, data->buffer, *press);
+	dev_dbg(dev, "received: %*ph cnt: %d\n", ret, data->rx_buf, *press);
 
 	return 0;
 }
diff --git a/drivers/iio/pressure/mprls0025pa.h b/drivers/iio/pressure/mprls0025pa.h
index d38ac750e392..567f9a465a01 100644
--- a/drivers/iio/pressure/mprls0025pa.h
+++ b/drivers/iio/pressure/mprls0025pa.h
@@ -59,7 +59,7 @@ enum mpr_func_id {
  * @chan: channel values for buffered mode
  * @chan.pres: pressure value
  * @chan.ts: timestamp
- * @buffer: raw conversion data
+ * @rx_buf: raw conversion data
  */
 struct mpr_data {
 	struct device		*dev;
@@ -80,7 +80,7 @@ struct mpr_data {
 		s32 pres;
 		aligned_s64 ts;
 	} chan;
-	u8	    buffer[MPR_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
+	u8 rx_buf[MPR_MEASUREMENT_RD_SIZE] __aligned(IIO_DMA_MINALIGN);
 };
 
 struct mpr_ops {
diff --git a/drivers/iio/pressure/mprls0025pa_i2c.c b/drivers/iio/pressure/mprls0025pa_i2c.c
index 79811fd4a02b..36da0059b19f 100644
--- a/drivers/iio/pressure/mprls0025pa_i2c.c
+++ b/drivers/iio/pressure/mprls0025pa_i2c.c
@@ -30,8 +30,8 @@ static int mpr_i2c_read(struct mpr_data *data, const u8 unused, const u8 cnt)
 	if (cnt > MPR_MEASUREMENT_RD_SIZE)
 		return -EOVERFLOW;
 
-	memset(data->buffer, 0, MPR_MEASUREMENT_RD_SIZE);
-	ret = i2c_master_recv(client, data->buffer, cnt);
+	memset(data->rx_buf, 0, MPR_MEASUREMENT_RD_SIZE);
+	ret = i2c_master_recv(client, data->rx_buf, cnt);
 	if (ret < 0)
 		return ret;
 	else if (ret != cnt)
diff --git a/drivers/iio/pressure/mprls0025pa_spi.c b/drivers/iio/pressure/mprls0025pa_spi.c
index d04102f8a4a0..65958b1186fa 100644
--- a/drivers/iio/pressure/mprls0025pa_spi.c
+++ b/drivers/iio/pressure/mprls0025pa_spi.c
@@ -47,7 +47,7 @@ static int mpr_spi_xfer(struct mpr_data *data, const u8 cmd, const u8 pkt_len)
 
 	buf->tx[0] = cmd;
 	xfer.tx_buf = buf->tx;
-	xfer.rx_buf = data->buffer;
+	xfer.rx_buf = data->rx_buf;
 	xfer.len = pkt_len;
 
 	return spi_sync_transfer(spi, &xfer, 1);

-- 
2.51.2