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4 Commits

Author SHA1 Message Date
Martin Hundebøll
a7b121b4b8 tty: n_gsm: add ioctl to map serial device to mux'ed tty 
Guessing the first tty for a gsm0710 multiplexed serial device is not
currently possible, which makes it racy to use with multiple modems.

Add a way to map the physical serial tty to its related mux devices
using an ioctl.

Signed-off-by: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/r/20190812211243.98686-1-martin@geanix.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-09-04 12:43:54 +02:00
Martin Hundebøll
a64d19aa0e tty: n_gsm: update doc example to use header for N_GSM0710 define 
There is no reason to gues the line discipline number when it is
available from tty.h

Signed-off-by: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/r/20190710192656.60381-2-martin@geanix.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-09-04 12:43:43 +02:00
Martin Hundebøll
69b1aaa450 tty: n_gsm: remove obsolete mknod doc example 
The n_gsm driver handles registration of /dev/gsmttyX nodes, so there's
no need to do mknod manually.

Signed-off-by: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/r/20190710192656.60381-1-martin@geanix.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-09-04 12:43:43 +02:00
Mauro Carvalho Chehab
65388dad1b docs: serial: move it to the driver-api 
The contents of this directory is mostly driver-api stuff.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
 2019-07-15 11:03:03 -03:00