From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751471Ab1GHWIk (ORCPT ); Fri, 8 Jul 2011 18:08:40 -0400 Received: from out5.smtp.messagingengine.com ([66.111.4.29]:49581 "EHLO out5.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750879Ab1GHWIj (ORCPT ); Fri, 8 Jul 2011 18:08:39 -0400 X-Sasl-enc: nmGZHjCvO8eG12NPA5O79Y0z49zrPSy8tyJnOexvpg4b 1310162918 Date: Fri, 8 Jul 2011 15:06:54 -0700 From: Greg KH To: Timur Tabi Cc: kumar.gala@freescale.com, benh@kernel.crashing.org, akpm@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-console@vger.kernel.org, alan@lxorguk.ukuu.org.uk, arnd@arndb.de Subject: Re: tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver Message-ID: <20110708220654.GA19146@kroah.com> References: <1305830092-20104-1-git-send-email-timur@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1305830092-20104-1-git-send-email-timur@freescale.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 19, 2011 at 08:34:52AM -0000, Timur Tabi wrote: > The ePAPR embedded hypervisor specification provides an API for "byte > channels", which are serial-like virtual devices for sending and receiving > streams of bytes. This driver provides Linux kernel support for byte > channels via three distinct interfaces: > > 1) An early-console (udbg) driver. This provides early console output > through a byte channel. The byte channel handle must be specified in a > Kconfig option. > > 2) A normal console driver. Output is sent to the byte channel designated > for stdout in the device tree. The console driver is for handling kernel > printk calls. > > 3) A tty driver, which is used to handle user-space input and output. The > byte channel used for the console is designated as the default tty. > > Signed-off-by: Timur Tabi Doesn't apply at all to the tty-next tree, so I can't apply it here :(