linux-kernel - [PATCH v1 1/1] gpio: pcie-idio-24: Use -ENOTSUPP consistently

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Message-ID: <20240410064156.1199493-1-andy.shevchenko@gmail.com>
Date: Wed, 10 Apr 2024 09:41:56 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>,
	William Breathitt Gray <william.gray@...aro.org>,
	linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: William Breathitt Gray <wbg@...nel.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH v1 1/1] gpio: pcie-idio-24: Use -ENOTSUPP consistently

The GPIO library expects the drivers to return -ENOTSUPP in some cases
and not using analogue POSIX code. Make the driver to follow this.

Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>
---
 drivers/gpio/gpio-pcie-idio-24.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-pcie-idio-24.c b/drivers/gpio/gpio-pcie-idio-24.c
index 2efd1b1a0805f..7f7f95ad4343d 100644
--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -267,7 +267,7 @@ static int idio_24_reg_mask_xlate(struct gpio_regmap *const gpio, const unsigned
 	case IDIO_24_CONTROL_REG:
 		/* We can only set direction for TTL/CMOS lines */
 		if (offset < 48)
-			return -EOPNOTSUPP;
+			return -ENOTSUPP;
 
 		*reg = IDIO_24_CONTROL_REG;
 		*mask = CONTROL_REG_OUT_MODE;
-- 
2.44.0