linux-kernel - [PATCH v3 09/41] iio: adc: cpcap-adc: make use of regmap_clear_bits(), regmap_set

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Message-Id: <20240617-review-v3-9-88d1338c4cca@baylibre.com>
Date: Mon, 17 Jun 2024 09:49:49 -0400
From: Trevor Gamblin <tgamblin@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>, 
 Dmitry Rokosov <ddrokosov@...rdevices.ru>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Cosmin Tanislav <cosmin.tanislav@...log.com>, Chen-Yu Tsai <wens@...e.org>, 
 Hans de Goede <hdegoede@...hat.com>, Ray Jui <rjui@...adcom.com>, 
 Scott Branden <sbranden@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Saravanan Sekar <sravanhome@...il.com>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Jean-Baptiste Maneyrol <jmaneyrol@...ensense.com>, 
 Crt Mori <cmo@...exis.com>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, imx@...ts.linux.dev, 
 linux-amlogic@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
 linux-stm32@...md-mailman.stormreply.com, 
 Uwe Kleine-König <u.kleine-koenig@...libre.com>, 
 Trevor Gamblin <tgamblin@...libre.com>
Subject: [PATCH v3 09/41] iio: adc: cpcap-adc: make use of
 regmap_clear_bits(), regmap_set_bits()

Instead of using regmap_update_bits() and passing the mask twice, use
regmap_set_bits().

Instead of using regmap_update_bits() and passing val = 0, use
regmap_clear_bits().

Suggested-by: Uwe Kleine-König <u.kleine-koenig@...libre.com>
Signed-off-by: Trevor Gamblin <tgamblin@...libre.com>
---
 drivers/iio/adc/cpcap-adc.c | 46 +++++++++++++++++++--------------------------
 1 file changed, 19 insertions(+), 27 deletions(-)

diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c
index b6c4ef70484e..c218acf6c9c6 100644
--- a/drivers/iio/adc/cpcap-adc.c
+++ b/drivers/iio/adc/cpcap-adc.c
@@ -385,9 +385,8 @@ static irqreturn_t cpcap_adc_irq_thread(int irq, void *data)
 	struct cpcap_adc *ddata = iio_priv(indio_dev);
 	int error;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ADTRIG_DIS,
-				   CPCAP_BIT_ADTRIG_DIS);
+	error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
+				CPCAP_BIT_ADTRIG_DIS);
 	if (error)
 		return IRQ_NONE;
 
@@ -424,23 +423,19 @@ static void cpcap_adc_setup_calibrate(struct cpcap_adc *ddata,
 	if (error)
 		return;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ATOX_PS_FACTOR |
-				   CPCAP_BIT_ADC_PS_FACTOR1 |
-				   CPCAP_BIT_ADC_PS_FACTOR0,
-				   0);
+	error = regmap_clear_bits(ddata->reg, CPCAP_REG_ADCC2,
+				  CPCAP_BIT_ATOX_PS_FACTOR |
+				  CPCAP_BIT_ADC_PS_FACTOR1 |
+				  CPCAP_BIT_ADC_PS_FACTOR0);
 	if (error)
 		return;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ADTRIG_DIS,
-				   CPCAP_BIT_ADTRIG_DIS);
+	error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
+				CPCAP_BIT_ADTRIG_DIS);
 	if (error)
 		return;
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-				   CPCAP_BIT_ASC,
-				   CPCAP_BIT_ASC);
+	error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2, CPCAP_BIT_ASC);
 	if (error)
 		return;
 
@@ -455,8 +450,8 @@ static void cpcap_adc_setup_calibrate(struct cpcap_adc *ddata,
 		dev_err(ddata->dev,
 			"Timeout waiting for calibration to complete\n");
 
-	error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC1,
-				   CPCAP_BIT_CAL_MODE, 0);
+	error = regmap_clear_bits(ddata->reg, CPCAP_REG_ADCC1,
+				  CPCAP_BIT_CAL_MODE);
 	if (error)
 		return;
 }
@@ -602,26 +597,23 @@ static void cpcap_adc_setup_bank(struct cpcap_adc *ddata,
 		return;
 
 	if (req->timing == CPCAP_ADC_TIMING_IMM) {
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ADTRIG_DIS,
-					   CPCAP_BIT_ADTRIG_DIS);
+		error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
+					CPCAP_BIT_ADTRIG_DIS);
 		if (error)
 			return;
 
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ASC,
-					   CPCAP_BIT_ASC);
+		error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
+					CPCAP_BIT_ASC);
 		if (error)
 			return;
 	} else {
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ADTRIG_ONESHOT,
-					   CPCAP_BIT_ADTRIG_ONESHOT);
+		error = regmap_set_bits(ddata->reg, CPCAP_REG_ADCC2,
+					CPCAP_BIT_ADTRIG_ONESHOT);
 		if (error)
 			return;
 
-		error = regmap_update_bits(ddata->reg, CPCAP_REG_ADCC2,
-					   CPCAP_BIT_ADTRIG_DIS, 0);
+		error = regmap_clear_bits(ddata->reg, CPCAP_REG_ADCC2,
+					  CPCAP_BIT_ADTRIG_DIS);
 		if (error)
 			return;
 	}

-- 
2.45.2