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| author | Ulrich Hecht <ulrich.hecht+renesas@gmail.com> | 2018-01-22 20:56:32 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2018-01-23 11:16:05 +0300 |
| commit | 3a19cfcce105e481b02b14265c5b40c6c10ef60a (patch) | |
| tree | ffd4e503a4e231247334fbfb8cd1c0eaae635e6d /include | |
| parent | 8c6b8eda7294775097e0d0eb64cb6f86d460d7c2 (diff) | |
| download | linux-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')
| -rw-r--r-- | include/linux/serdev.h | 10 |
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 */ |