linux-kernel - [PATCH 15/18] serial: max310x: replace ENOTSUPP with preferred EOPNOTSUPP (checkpatch)

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Date: Wed, 17 Jan 2024 17:38:53 -0500
From: Hugo Villeneuve <hugo@...ovil.com>
To: gregkh@...uxfoundation.org,
	jirislaby@...nel.org,
	cosmin.tanislav@...log.com,
	andy.shevchenko@...il.com,
	shc_work@...l.ru
Cc: linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	hugo@...ovil.com,
	Hugo Villeneuve <hvilleneuve@...onoff.com>
Subject: [PATCH 15/18] serial: max310x: replace ENOTSUPP with preferred EOPNOTSUPP (checkpatch)

From: Hugo Villeneuve <hvilleneuve@...onoff.com>

Fixes the following checkpatch warning:

    WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP

According to include/linux/errno.h, ENOTSUPP is
"Defined for the NFSv3 protocol", so replace it with preferred EOPNOTSUPP.

Similar to commit c7581a414d28 ("drm: Use EOPNOTSUPP, not ENOTSUPP").

Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
---
 drivers/tty/serial/max310x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index e39d8ea51e4e..12219b22b880 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1217,7 +1217,7 @@ static int max310x_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
 				1 << ((offset % 4) + 4), 0);
 		return 0;
 	default:
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 }
 #endif
-- 
2.39.2