[PATCH] powerpc: add hvc backend for rtas

Current Cell hardware is using the console through a set
of rtas calls. This driver is needed to get console
output on those boards.

Signed-off-by: Arnd Bergmann <abergman@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 831419381cf5..7a85b3a26ff8 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -579,6 +579,13 @@ config HVC_CONSOLE
           console. This driver allows each pSeries partition to have a console
           which is accessed via the HMC.
 
+config HVC_RTAS
+        bool "IBM RTAS Console support"
+        depends on PPC_RTAS
+        select HVC_DRIVER
+        help
+          IBM Console device driver which makes use of RTAS
+
 config HVCS
         tristate "IBM Hypervisor Virtual Console Server support"
         depends on PPC_PSERIES