linux-kernel - Re: [PATCH 0/8] serial: 8250: Add 485 emulation to 8250

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <65c26f5db1275e958cfe6390e9336568b0158dea.camel@linux.intel.com>
Date:   Mon, 04 Jun 2018 13:12:07 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Giulio Benetti <giulio.benetti@...ronovasrl.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Matwey V.Kornilov" <matwey@....msu.ru>
Cc:     Jiri Slaby <jslaby@...e.com>, Kees Cook <keescook@...omium.org>,
        Matthias Brugger <mbrugger@...e.com>,
        Allen Pais <allen.lkml@...il.com>, Sean Young <sean@...s.org>,
        Ed Blake <ed.blake@...drel.com>,
        Stefan Potyra <Stefan.Potyra@...ktrobit.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Joshua Scott <joshua.scott@...iedtelesis.co.nz>,
        Vignesh R <vigneshr@...com>,
        Rolf Evers-Fischer <rolf.evers.fischer@...iv.com>,
        Aaron Sierra <asierra@...-inc.com>,
        Rafael Gago <rafael.gago@...il.com>,
        Joel Stanley <joel@....id.au>,
        Sean Wang <sean.wang@...iatek.com>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] serial: 8250: Add 485 emulation to 8250_dw.

On Fri, 2018-06-01 at 14:40 +0200, Giulio Benetti wrote:
> Need to handle rs485 with 8250_dw port.
> 
> Use existing em485 emulation layer for 8250 taking care to fix some
> bug
> and taking care especially of RTS_AFTER_SEND case.
> 

I don't see in Cc list author of rs485 code, who might be interested in
this.

So, added him here.

> Giulio Benetti (8):
>   serial: 8250_dw: add em485 support
>   serial: 8250_dw: allow enable rs485 at boot time
>   serial: 8250: Copy em485 from port to real port.
>   serial: 8250: Handle case port doesn't have TEMT interrupt using
>     em485.
>   serial: 8250_dw: treat rpm suspend with -EBUSY if RS485 ON and
>     RTS_AFTER_SEND
>   serial: 8250: Copy mctrl when register port.
>   serial: 8250: Make em485_rts_after_send() set mctrl according to rts
>     state.
>   serial: core: Mask mctrl with TIOCM_RTS too if rs485 on and
>     RTS_AFTER_SEND set.
> 
>  drivers/tty/serial/8250/8250.h      |  2 +-
>  drivers/tty/serial/8250/8250_core.c |  2 ++
>  drivers/tty/serial/8250/8250_dw.c   | 41
> ++++++++++++++++++++++++++++-
>  drivers/tty/serial/8250/8250_omap.c |  2 +-
>  drivers/tty/serial/8250/8250_port.c | 33 ++++++++++++++++-------
>  drivers/tty/serial/serial_core.c    | 12 ++++++++-
>  include/linux/serial_8250.h         |  1 +
>  7 files changed, 79 insertions(+), 14 deletions(-)
> 

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy