linux-kernel - [PATCH v11 1/4] serdev: Replace all instances of ENOTSUPP with EOPNOTSUPP

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Date:   Tue, 14 Mar 2023 21:02:10 +0530
From:   Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
To:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, marcel@...tmann.org,
        johan.hedberg@...il.com, luiz.dentz@...il.com,
        gregkh@...uxfoundation.org, jirislaby@...nel.org,
        alok.a.tiwari@...cle.com, hdanton@...a.com,
        ilpo.jarvinen@...ux.intel.com, leon@...nel.org,
        simon.horman@...igine.com
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        linux-serial@...r.kernel.org, amitkumar.karwar@....com,
        rohit.fule@....com, sherry.sun@....com, neeraj.sanjaykale@....com
Subject: [PATCH v11 1/4] serdev: Replace all instances of ENOTSUPP with EOPNOTSUPP

This replaces all instances of ENOTSUPP with EOPNOTSUPP since ENOTSUPP
is not a standard error code. This will help maintain consistency
in error codes when new serdev API's are addded.

Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
---
v11: Replace all instances of ENOTSUPP with EOPNOTSUPP. (Simon Horman)
---
 drivers/tty/serdev/core.c           | 6 +++---
 drivers/tty/serdev/serdev-ttyport.c | 4 ++--
 include/linux/serdev.h              | 4 ++--
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 0180e1e4e75d..d43aabd0cb76 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -366,7 +366,7 @@ int serdev_device_set_parity(struct serdev_device *serdev,
 	struct serdev_controller *ctrl = serdev->ctrl;
 
 	if (!ctrl || !ctrl->ops->set_parity)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	return ctrl->ops->set_parity(ctrl, parity);
 }
@@ -388,7 +388,7 @@ int serdev_device_get_tiocm(struct serdev_device *serdev)
 	struct serdev_controller *ctrl = serdev->ctrl;
 
 	if (!ctrl || !ctrl->ops->get_tiocm)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	return ctrl->ops->get_tiocm(ctrl);
 }
@@ -399,7 +399,7 @@ int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear)
 	struct serdev_controller *ctrl = serdev->ctrl;
 
 	if (!ctrl || !ctrl->ops->set_tiocm)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	return ctrl->ops->set_tiocm(ctrl, set, clear);
 }
diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
index d367803e2044..f26ff82723f1 100644
--- a/drivers/tty/serdev/serdev-ttyport.c
+++ b/drivers/tty/serdev/serdev-ttyport.c
@@ -231,7 +231,7 @@ static int ttyport_get_tiocm(struct serdev_controller *ctrl)
 	struct tty_struct *tty = serport->tty;
 
 	if (!tty->ops->tiocmget)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	return tty->ops->tiocmget(tty);
 }
@@ -242,7 +242,7 @@ static int ttyport_set_tiocm(struct serdev_controller *ctrl, unsigned int set, u
 	struct tty_struct *tty = serport->tty;
 
 	if (!tty->ops->tiocmset)
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 
 	return tty->ops->tiocmset(tty, set, clear);
 }
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index 66f624fc618c..89b0a5af9be2 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -249,11 +249,11 @@ static inline int serdev_device_write_buf(struct serdev_device *serdev,
 static inline void serdev_device_wait_until_sent(struct serdev_device *sdev, long timeout) {}
 static inline int serdev_device_get_tiocm(struct serdev_device *serdev)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 static inline int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear)
 {
-	return -ENOTSUPP;
+	return -EOPNOTSUPP;
 }
 static inline int serdev_device_write(struct serdev_device *sdev, const unsigned char *buf,
 				      size_t count, unsigned long timeout)
-- 
2.34.1