linux-kernel - [PATCH v1 2/3] pinctrl: cy8c95x0: Drop atomicity on operations on push

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Date:   Fri, 16 Sep 2022 23:54:49 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Patrick Rudolph <patrick.rudolph@...ements.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/3] pinctrl: cy8c95x0: Drop atomicity on operations on push_pull

The push_pull member is always accessed under the mutex, hence
no need to use atomic operations on it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/pinctrl/pinctrl-cy8c95x0.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-cy8c95x0.c b/drivers/pinctrl/pinctrl-cy8c95x0.c
index 75be06d29dc1..367a9386dfb7 100644
--- a/drivers/pinctrl/pinctrl-cy8c95x0.c
+++ b/drivers/pinctrl/pinctrl-cy8c95x0.c
@@ -573,7 +573,8 @@ static int cy8c95x0_gpio_direction_input(struct gpio_chip *gc, unsigned int off)
 		ret = regmap_write_bits(chip->regmap, CY8C95X0_DRV_HIZ, bit, bit);
 		if (ret)
 			goto out;
-		clear_bit(off, chip->push_pull);
+
+		__clear_bit(off, chip->push_pull);
 	}
 
 out:
@@ -775,27 +776,27 @@ static int cy8c95x0_gpio_set_pincfg(struct cy8c95x0_pinctrl *chip,
 
 	switch (param) {
 	case PIN_CONFIG_BIAS_PULL_UP:
-		clear_bit(off, chip->push_pull);
+		__clear_bit(off, chip->push_pull);
 		reg = CY8C95X0_DRV_PU;
 		break;
 	case PIN_CONFIG_BIAS_PULL_DOWN:
-		clear_bit(off, chip->push_pull);
+		__clear_bit(off, chip->push_pull);
 		reg = CY8C95X0_DRV_PD;
 		break;
 	case PIN_CONFIG_BIAS_DISABLE:
-		clear_bit(off, chip->push_pull);
+		__clear_bit(off, chip->push_pull);
 		reg = CY8C95X0_DRV_HIZ;
 		break;
 	case PIN_CONFIG_DRIVE_OPEN_DRAIN:
-		clear_bit(off, chip->push_pull);
+		__clear_bit(off, chip->push_pull);
 		reg = CY8C95X0_DRV_ODL;
 		break;
 	case PIN_CONFIG_DRIVE_OPEN_SOURCE:
-		clear_bit(off, chip->push_pull);
+		__clear_bit(off, chip->push_pull);
 		reg = CY8C95X0_DRV_ODH;
 		break;
 	case PIN_CONFIG_DRIVE_PUSH_PULL:
-		set_bit(off, chip->push_pull);
+		__set_bit(off, chip->push_pull);
 		reg = CY8C95X0_DRV_PP_FAST;
 		break;
 	case PIN_CONFIG_MODE_PWM:
-- 
2.35.1