[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>

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 831419381cf59950935530e711d0029ad1dd4ebf..7a85b3a26ff81d60dd255eb41bddb0ab2f0fcff7 100644 (file)
--- 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

diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index e6c03335fd6acb814e1717e7cb656a232c7ae480..a73cb4956928f2b582e08f9af1250c0d30877025 100644 (file)
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_SX)              += sx.o generic_serial.o
 obj-$(CONFIG_RIO)              += rio/ generic_serial.o
 obj-$(CONFIG_HVC_DRIVER)       += hvc_console.o
 obj-$(CONFIG_HVC_CONSOLE)      += hvc_vio.o hvsi.o
+obj-$(CONFIG_HVC_RTAS)         += hvc_rtas.o
 obj-$(CONFIG_RAW_DRIVER)       += raw.o
 obj-$(CONFIG_SGI_SNSC)         += snsc.o snsc_event.o
 obj-$(CONFIG_MMTIMER)          += mmtimer.o

diff --cc drivers/char/hvc_rtas.c
Simple merge