Re: [PATCH 07/19] serdev: Allows dynamic creation of devices via sysfs

[Rob Herring]

On Tue, May 29, 2018 at 8:10 AM, Ricardo Ribalda Delgado
<ricardo.ribalda@xxxxxxxxx> wrote:
> Allow creating and deleting devices via sysfs. Devices created will be
> matched to serdev drivers via modalias (the string provided by the user)
> and deleted via their name. Eg:
>
>  # Create device
> root@qt5022:~# echo ttydev > /sys/bus/serial/devices/serial0/new_device
>
>  # Delete device
> root@qt5022:~#
>         echo serial0-0 > /sys/bus/serial/devices/serial0/delete_device

I think the model here should be the kernel provides dummy slave
device for each serial port and then you can use bind and unbind to
bind to a particular driver.

Rob