Hi Marcel, Hi Rob, On Tue, Jan 2, 2018 at 12:16 PM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote: > Hi Martin, > >> Some Bluetooth modules (for example the ones found in Realtek RTL8723BS >> and RTL8723DS) want to communicate with the host with even parity >> enabled. >> Add a new function and the corresponding internal callbacks so parity >> can be configured. This supports enabling and disabling parity as well >> as setting the type to odd or even. >> >> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> >> --- >> drivers/tty/serdev/core.c | 12 ++++++++++++ >> drivers/tty/serdev/serdev-ttyport.c | 21 +++++++++++++++++++++ >> include/linux/serdev.h | 5 +++++ >> 3 files changed, 38 insertions(+) >> >> diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c >> index 1bef39828ca7..d327b02980f5 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); >> >> +void serdev_device_set_parity(struct serdev_device *serdev, bool enable, >> + bool odd) >> +{ >> + struct serdev_controller *ctrl = serdev->ctrl; >> + >> + if (!ctrl || !ctrl->ops->set_parity) >> + return; >> + >> + ctrl->ops->set_parity(ctrl, enable, odd); >> +} >> +EXPORT_SYMBOL_GPL(serdev_device_set_parity); >> + > > this really needs Rob’s ACK before I take the patch. sure I could even live with a NACK in case these two bool parameters are considered to be ugly in that case I would propose an enum with three values: DISABLED, EVEN, ODD so the arguments would look like this: void serdev_device_set_parity(struct serdev_device *serdev, enum parity) Regards Martin -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html