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| author | Ulrich Hecht <ulrich.hecht+renesas@gmail.com> | 2018-01-22 18:56:32 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2018-01-23 09:16:05 +0100 |
| commit | 3a19cfcce105e481b02b14265c5b40c6c10ef60a (patch) | |
| tree | ffd4e503a4e231247334fbfb8cd1c0eaae635e6d /drivers/tty/serdev/core.c | |
| parent | 8c6b8eda7294775097e0d0eb64cb6f86d460d7c2 (diff) | |
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 'drivers/tty/serdev/core.c')
| -rw-r--r-- | drivers/tty/serdev/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 1bef39828ca7..3c573a8caa80 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -225,6 +225,18 @@ void serdev_device_set_flow_control(struct serdev_device *serdev, bool enable) } EXPORT_SYMBOL_GPL(serdev_device_set_flow_control); +int serdev_device_set_parity(struct serdev_device *serdev, + enum serdev_parity parity) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->set_parity) + return -ENOTSUPP; + + return ctrl->ops->set_parity(ctrl, parity); +} +EXPORT_SYMBOL_GPL(serdev_device_set_parity); + void serdev_device_wait_until_sent(struct serdev_device *serdev, long timeout) { struct serdev_controller *ctrl = serdev->ctrl; |