From: Greg KH <greg@kroah.com>
To: Timur Tabi <timur@freescale.com>
Cc: arnd@arndb.de, kumar.gala@freescale.com,
linux-kernel@vger.kernel.org, akpm@kernel.org,
linux-console@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
alan@lxorguk.ukuu.org.uk
Subject: Re: tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver
Date: Fri, 8 Jul 2011 15:06:54 -0700 [thread overview]
Message-ID: <20110708220654.GA19146@kroah.com> (raw)
In-Reply-To: <1305830092-20104-1-git-send-email-timur@freescale.com>
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 <timur@freescale.com>
Doesn't apply at all to the tty-next tree, so I can't apply it here :(
next prev parent reply other threads:[~2011-07-08 22:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-19 18:34 [PATCH 6/7] [v2] tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver Timur Tabi
2011-06-22 15:23 ` Timur Tabi
2011-07-03 1:43 ` Tabi Timur-B04825
2011-07-08 22:06 ` Greg KH [this message]
2011-07-08 22:12 ` Timur Tabi
2011-07-08 22:15 ` Timur Tabi
2011-07-08 22:29 ` Greg KH
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