linux-kernel - [PATCH] iio: adc: ad7944: remove unused parameter

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Date: Fri, 24 May 2024 15:38:04 -0500
From: David Lechner <dlechner@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>
Cc: David Lechner <dlechner@...libre.com>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Nuno Sá <nuno.sa@...log.com>,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] iio: adc: ad7944: remove unused parameter

In the ad7944 driver, the ad7944_convert_and_acquire() had an unused
`chan` parameter. This patch removes the parameter.

Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/iio/adc/ad7944.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad7944.c b/drivers/iio/adc/ad7944.c
index 4602ab5ed2a6..e2cb64cef476 100644
--- a/drivers/iio/adc/ad7944.c
+++ b/drivers/iio/adc/ad7944.c
@@ -259,7 +259,6 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc
 /**
  * ad7944_convert_and_acquire - Perform a single conversion and acquisition
  * @adc: The ADC device structure
- * @chan: The channel specification
  * Return: 0 on success, a negative error code on failure
  *
  * Perform a conversion and acquisition of a single sample using the
@@ -268,8 +267,7 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc
  * Upon successful return adc->sample.raw will contain the conversion result
  * (or adc->chain_mode_buf if the device is using chain mode).
  */
-static int ad7944_convert_and_acquire(struct ad7944_adc *adc,
-				      const struct iio_chan_spec *chan)
+static int ad7944_convert_and_acquire(struct ad7944_adc *adc)
 {
 	int ret;
 
@@ -291,7 +289,7 @@ static int ad7944_single_conversion(struct ad7944_adc *adc,
 {
 	int ret;
 
-	ret = ad7944_convert_and_acquire(adc, chan);
+	ret = ad7944_convert_and_acquire(adc);
 	if (ret)
 		return ret;
 
@@ -361,7 +359,7 @@ static irqreturn_t ad7944_trigger_handler(int irq, void *p)
 	struct ad7944_adc *adc = iio_priv(indio_dev);
 	int ret;
 
-	ret = ad7944_convert_and_acquire(adc, &indio_dev->channels[0]);
+	ret = ad7944_convert_and_acquire(adc);
 	if (ret)
 		goto out;
 

---
base-commit: 6c46802cc0c4ff878f07139f7b7b8774fd43ce3d
change-id: 20240524-iio-ad7944-remove-unused-parameter-d814bb7e1a28