Re: [RFC v2 1/9] serdev: implement parity configuration

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




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




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux