linux-kernel - [PATCH 1/2] gpio: axp209: use correct register for GPIO input status

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Date:   Wed, 23 Nov 2016 14:27:48 +0100
From:   Quentin Schulz <quentin.schulz@...e-electrons.com>
To:     linus.walleij@...aro.org, gnurou@...il.com, robh+dt@...nel.org,
        mark.rutland@....com, wens@...e.org
Cc:     Quentin Schulz <quentin.schulz@...e-electrons.com>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...e-electrons.com
Subject: [PATCH 1/2] gpio: axp209: use correct register for GPIO input status

The GPIO input status was read from control register
(AXP20X_GPIO[210]_CTRL) instead of status register (AXP20X_GPIO20_SS).

Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
---
 drivers/gpio/gpio-axp209.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpio/gpio-axp209.c b/drivers/gpio/gpio-axp209.c
index d9c2a51..4a346b7 100644
--- a/drivers/gpio/gpio-axp209.c
+++ b/drivers/gpio/gpio-axp209.c
@@ -64,13 +64,9 @@ static int axp20x_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
 	struct axp20x_gpio *gpio = gpiochip_get_data(chip);
 	unsigned int val;
-	int reg, ret;
-
-	reg = axp20x_gpio_get_reg(offset);
-	if (reg < 0)
-		return reg;
+	int ret;
 
-	ret = regmap_read(gpio->regmap, reg, &val);
+	ret = regmap_read(gpio->regmap, AXP20X_GPIO20_SS, &val);
 	if (ret)
 		return ret;
 
-- 
2.9.3