Re: [PATCH 3/4] TTY: add support for uart_slave devices.

2015-05-12 Thread NeilBrown
On Tue, 12 May 2015 10:31:01 +0200 Paul Bolle wrote: > Just a nit: a license mismatch. > > On Mon, 2015-05-11 at 11:56 +1000, NeilBrown wrote: > > --- /dev/null > > +++ b/drivers/tty/serial/slave/uart_slave_core.c > > > + *This program is free software; you can redistribute it and/or modify

Re: [PATCH 3/4] TTY: add support for uart_slave devices.

2015-05-12 Thread Paul Bolle
Just a nit: a license mismatch. On Mon, 2015-05-11 at 11:56 +1000, NeilBrown wrote: > --- /dev/null > +++ b/drivers/tty/serial/slave/uart_slave_core.c > + *This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as publ

[PATCH 3/4] TTY: add support for uart_slave devices.

2015-05-10 Thread NeilBrown
A "uart slave" is a device permanently connected via UART. Such a device may need its own driver, e.g. for powering it up on tty open and powering it down on tty release. When a device is connected to a UART by a 'standard' bus, such as RS-232, signaling for power control typically uses "DTR". Wh