linux-kernel - [PATCH RESEND 0/8] serial: 8250: support hw-based RS485 direction control

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Date:	Fri,  9 Dec 2011 18:07:12 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	linux-serial@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Greg KH <gregkh@...e.de>,
	Alan Cox <alan@...ux.intel.com>,
	Claudio Scordino <claudio@...dence.eu.com>,
	Wolfram Sang <w.sang@...gutronix.de>
Subject: [PATCH RESEND 0/8] serial: 8250: support hw-based RS485 direction control

Some 8250-variants control the direction pin for RS485 in hardware. Linux has
RS485 support these days, so update the 8250-driver to adhere to that.

Code is based on 3.2-rc4, tested on a OMAP-based custom board with a 16V2750.
A git tree can be found here:

	git://git.pengutronix.de/git/wsa/linux-2.6.git 8250_rs485

There is no code change since the initial post of this series. I updated some
of the patch descriptions, though. A kind-of-ack from Claudio can be found here
[1]. Please consider for inclusion.

Thanks and regards,

   Wolfram

[1] http://lkml.org/lkml/2011/11/24/201

Matthias Fuchs (1):
  serial: 8250: Add ioctl to enable auto rs485 mode with some Exar UARTs

Wolfram Sang (7):
  serial: 8250: replace hardcoded 0xbf with #define
  serial: 8250: save rs485_flags per instance
  serial: 8250: add RX_DURING_TX capability to RS485 mode
  serial: 8250: reject delaying RTS with RS485
  serial: 8250: update rs485 flags with polarity settings
  serial: 8250: add Exar 16V2750 support
  serial: 8250: fix comment about accessing EMSR

 drivers/tty/serial/8250.c   |  143 +++++++++++++++++++++++++++++++++++++++---
 include/linux/serial_core.h |    3 +-
 include/linux/serial_reg.h  |    4 +-
 3 files changed, 137 insertions(+), 13 deletions(-)

-- 
1.7.7.3

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