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 added.

Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 6780142..078fe64 100644 (file)
--- 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 d367803..f26ff82 100644 (file)
--- 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 5f6bfe4..babedb1 100644 (file)
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -250,11 +250,11 @@ 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)