Re: [PATCH 6/7] [v2] tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver

On Thu, May 19, 2011 at 1:34 PM, Timur Tabi [off-list ref] wrote:

The ePAPR embedded hypervisor specification provides an API for "byte
channels", which are serial-like virtual devices for sending and receivin=

g

streams of bytes. =A0This driver provides Linux kernel support for byte
channels via three distinct interfaces:

1) An early-console (udbg) driver. =A0This provides early console output
through a byte channel. =A0The byte channel handle must be specified in a
Kconfig option.

2) A normal console driver. =A0Output is sent to the byte channel designa=

ted

for stdout in the device tree. =A0The console driver is for handling kern=

el

printk calls.

3) A tty driver, which is used to handle user-space input and output. =A0=

The

byte channel used for the console is designated as the default tty.

Signed-off-by: Timur Tabi <redacted>

Greg, would you please pick up this patch for 3.1?  Patches 1-5 are
already queued through the PowerPC tree.

Thank you.

The patch is available here if you need to download it:
http://patchwork.ozlabs.org/patch/96443/

--=20
Timur Tabi
Linux kernel developer at Freescale=