lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240617-review-v3-17-88d1338c4cca@baylibre.com>
Date: Mon, 17 Jun 2024 09:49:57 -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 17/41] iio: adc: sc27xx_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>
Reviewed-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
Signed-off-by: Trevor Gamblin <tgamblin@...libre.com>
---
 drivers/iio/adc/sc27xx_adc.c | 41 ++++++++++++++++++++---------------------
 1 file changed, 20 insertions(+), 21 deletions(-)

diff --git a/drivers/iio/adc/sc27xx_adc.c b/drivers/iio/adc/sc27xx_adc.c
index b4a2e057d80f..2535c2c3e60b 100644
--- a/drivers/iio/adc/sc27xx_adc.c
+++ b/drivers/iio/adc/sc27xx_adc.c
@@ -508,13 +508,13 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel,
 		}
 	}
 
-	ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL,
-				 SC27XX_ADC_EN, SC27XX_ADC_EN);
+	ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_CTL,
+			      SC27XX_ADC_EN);
 	if (ret)
 		goto regulator_restore;
 
-	ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_INT_CLR,
-				 SC27XX_ADC_IRQ_CLR, SC27XX_ADC_IRQ_CLR);
+	ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_INT_CLR,
+			      SC27XX_ADC_IRQ_CLR);
 	if (ret)
 		goto disable_adc;
 
@@ -537,8 +537,8 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel,
 	if (ret)
 		goto disable_adc;
 
-	ret = regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL,
-				 SC27XX_ADC_CHN_RUN, SC27XX_ADC_CHN_RUN);
+	ret = regmap_set_bits(data->regmap, data->base + SC27XX_ADC_CTL,
+			      SC27XX_ADC_CHN_RUN);
 	if (ret)
 		goto disable_adc;
 
@@ -559,8 +559,8 @@ static int sc27xx_adc_read(struct sc27xx_adc_data *data, int channel,
 	value &= SC27XX_ADC_DATA_MASK;
 
 disable_adc:
-	regmap_update_bits(data->regmap, data->base + SC27XX_ADC_CTL,
-			   SC27XX_ADC_EN, 0);
+	regmap_clear_bits(data->regmap, data->base + SC27XX_ADC_CTL,
+			  SC27XX_ADC_EN);
 regulator_restore:
 	if ((data->var_data->set_volref) && (channel == 30 || channel == 31)) {
 		ret_volref = regulator_set_voltage(data->volref,
@@ -765,15 +765,14 @@ static int sc27xx_adc_enable(struct sc27xx_adc_data *data)
 {
 	int ret;
 
-	ret = regmap_update_bits(data->regmap, data->var_data->module_en,
-				 SC27XX_MODULE_ADC_EN, SC27XX_MODULE_ADC_EN);
+	ret = regmap_set_bits(data->regmap, data->var_data->module_en,
+			      SC27XX_MODULE_ADC_EN);
 	if (ret)
 		return ret;
 
 	/* Enable ADC work clock and controller clock */
-	ret = regmap_update_bits(data->regmap, data->var_data->clk_en,
-				 SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN,
-				 SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
+	ret = regmap_set_bits(data->regmap, data->var_data->clk_en,
+			      SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
 	if (ret)
 		goto disable_adc;
 
@@ -789,11 +788,11 @@ static int sc27xx_adc_enable(struct sc27xx_adc_data *data)
 	return 0;
 
 disable_clk:
-	regmap_update_bits(data->regmap, data->var_data->clk_en,
-			   SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->clk_en,
+			  SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
 disable_adc:
-	regmap_update_bits(data->regmap, data->var_data->module_en,
-			   SC27XX_MODULE_ADC_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->module_en,
+			  SC27XX_MODULE_ADC_EN);
 
 	return ret;
 }
@@ -803,11 +802,11 @@ static void sc27xx_adc_disable(void *_data)
 	struct sc27xx_adc_data *data = _data;
 
 	/* Disable ADC work clock and controller clock */
-	regmap_update_bits(data->regmap, data->var_data->clk_en,
-			   SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->clk_en,
+			  SC27XX_CLK_ADC_EN | SC27XX_CLK_ADC_CLK_EN);
 
-	regmap_update_bits(data->regmap, data->var_data->module_en,
-			   SC27XX_MODULE_ADC_EN, 0);
+	regmap_clear_bits(data->regmap, data->var_data->module_en,
+			  SC27XX_MODULE_ADC_EN);
 }
 
 static const struct sc27xx_adc_variant_data sc2731_data = {

-- 
2.45.2


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ