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authorUlrich Hecht <ulrich.hecht+renesas@gmail.com>2018-01-22 20:56:32 +0300
committerMarcel Holtmann <marcel@holtmann.org>2018-01-23 11:16:05 +0300
commit3a19cfcce105e481b02b14265c5b40c6c10ef60a (patch)
treeffd4e503a4e231247334fbfb8cd1c0eaae635e6d /include/linux/serdev.h
parent8c6b8eda7294775097e0d0eb64cb6f86d460d7c2 (diff)
downloadlinux-3a19cfcce105e481b02b14265c5b40c6c10ef60a.tar.xz
serdev: add method to set parity
Adds serdev_device_set_parity() and an implementation for ttyport. The interface uses an enum with the values SERIAL_PARITY_NONE, SERIAL_PARITY_EVEN and SERIAL_PARITY_ODD. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Johan Hovold <johan@kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'include/linux/serdev.h')
-rw-r--r--include/linux/serdev.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index d609e6dc5bad..a73d87b483b4 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -76,6 +76,12 @@ static inline struct serdev_device_driver *to_serdev_device_driver(struct device
return container_of(d, struct serdev_device_driver, driver);
}
+enum serdev_parity {
+ SERDEV_PARITY_NONE,
+ SERDEV_PARITY_EVEN,
+ SERDEV_PARITY_ODD,
+};
+
/*
* serdev controller structures
*/
@@ -86,6 +92,7 @@ struct serdev_controller_ops {
int (*open)(struct serdev_controller *);
void (*close)(struct serdev_controller *);
void (*set_flow_control)(struct serdev_controller *, bool);
+ int (*set_parity)(struct serdev_controller *, enum serdev_parity);
unsigned int (*set_baudrate)(struct serdev_controller *, unsigned int);
void (*wait_until_sent)(struct serdev_controller *, long);
int (*get_tiocm)(struct serdev_controller *);
@@ -298,6 +305,9 @@ static inline int serdev_device_set_rts(struct serdev_device *serdev, bool enabl
return serdev_device_set_tiocm(serdev, 0, TIOCM_RTS);
}
+int serdev_device_set_parity(struct serdev_device *serdev,
+ enum serdev_parity parity);
+
/*
* serdev hooks into TTY core
*/