On Friday, January 6, 2017 10:26:26 AM CET Rob Herring wrote: > Here goes another attempt at a serial device bus (aka uart slaves, tty > slaves, etc.). > > After some discussions with Dmitry at LPC, I decided to move away from > extending serio and moved back to making a new bus type instead. He didn't > think using serio was a good fit, and serio has a number of peculiarities > in regards to sysfs and it's driver model. I don't think we want to inherit > those for serial slave devices. Using serio was originally my idea, but since you seem to have discussed this in more detail than I ever had, the new version is certainly fine with me too. > This version sits on top of tty_port rather than uart_port as Alan > requested. Once I created a struct tty rather than moving everything > needed to tty_port, it became a lot easier and less invasive to the tty > core code. > > I have hacked up versions of the BT ldisc and TI ST drivers moved over to > use the serdev bus. I have BT working on the HiKey board which has TI BT. > With the serdev bus support, it eliminates the need for the TI userspace > UIM daemon. > > This series and the mentioned drivers can be found here[1]. I took a quick look at the series and have no immediate concerns, just one detail about the DT binding that seems odd to me. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html