linux-kernel - [PATCH 49/62] gpio: gpio-tps68470: Use new GPIO_LINE

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Message-ID: <819708cadd2b365216242df920e1fe17b731a2d3.1572945982.git.matti.vaittinen@fi.rohmeurope.com>
Date:   Tue, 5 Nov 2019 12:34:28 +0200
From:   Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
To:     matti.vaittinen@...rohmeurope.com, mazziesaccount@...il.com
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 49/62] gpio: gpio-tps68470: Use new GPIO_LINE_DIRECTION

It's hard for occasional GPIO code reader/writer to know if values 0/1
equal to IN or OUT. Use defined GPIO_LINE_DIRECTION_IN and
GPIO_LINE_DIRECTION_OUT to help them out.

Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
---
 drivers/gpio/gpio-tps68470.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-tps68470.c b/drivers/gpio/gpio-tps68470.c
index aff6e504c666..f7f5f770e0fb 100644
--- a/drivers/gpio/gpio-tps68470.c
+++ b/drivers/gpio/gpio-tps68470.c
@@ -47,7 +47,6 @@ static int tps68470_gpio_get(struct gpio_chip *gc, unsigned int offset)
 	return !!(val & BIT(offset));
 }
 
-/* Return 0 if output, 1 if input */
 static int tps68470_gpio_get_direction(struct gpio_chip *gc,
 				       unsigned int offset)
 {
@@ -57,7 +56,7 @@ static int tps68470_gpio_get_direction(struct gpio_chip *gc,
 
 	/* rest are always outputs */
 	if (offset >= TPS68470_N_REGULAR_GPIO)
-		return 0;
+		return GPIO_LINE_DIRECTION_OUT;
 
 	ret = regmap_read(regmap, TPS68470_GPIO_CTL_REG_A(offset), &val);
 	if (ret) {
@@ -67,7 +66,8 @@ static int tps68470_gpio_get_direction(struct gpio_chip *gc,
 	}
 
 	val &= TPS68470_GPIO_MODE_MASK;
-	return val >= TPS68470_GPIO_MODE_OUT_CMOS ? 0 : 1;
+	return val >= TPS68470_GPIO_MODE_OUT_CMOS ? GPIO_LINE_DIRECTION_OUT :
+						    GPIO_LINE_DIRECTION_IN;
 }
 
 static void tps68470_gpio_set(struct gpio_chip *gc, unsigned int offset,
-- 
2.21.0


-- 
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]