[PATCH 6/7] [v2] tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver
B04825 at freescale.com
Sun Jul 3 11:43:52 EST 2011
On Thu, May 19, 2011 at 1:34 PM, Timur Tabi <timur at freescale.com> 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 at freescale.com>
Greg, would you please pick up this patch for 3.1? Patches 1-5 are
already queued through the PowerPC tree.
The patch is available here if you need to download it:
Linux kernel developer at Freescale
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