From 55bd2133fc3c5ee138d19b76ed8f9495b35d57ec Mon Sep 17 00:00:00 2001
From: Jag Raman <jag.raman@oracle.com>
Date: Tue, 15 Aug 2017 17:02:57 -0400
Subject: [PATCH] sparc64: vcc: Enable VCC module in linux
Enables the Virtual Console Concentrator (VCC) module
in linux kernel
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
MAINTAINERS | 1 +
arch/sparc/configs/sparc64_defconfig | 1 +
drivers/tty/Kconfig | 5 +++++
drivers/tty/Makefile | 1 +
drivers/tty/vcc.c | 18 ++++++++++++++++++
5 files changed, 26 insertions(+)
create mode 100644 drivers/tty/vcc.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 84d6a8277cbde1..28c0b4b984509e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12294,6 +12294,7 @@ F: drivers/tty/serial/sunsab.h
F: drivers/tty/serial/sunsu.c
F: drivers/tty/serial/sunzilog.c
F: drivers/tty/serial/sunzilog.h
+F: drivers/tty/vcc.c
SPARSE CHECKER
M: "Christopher Li" <sparse@chrisli.org>
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index ca8609d7292ffe..4d4e1cc6402faa 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -238,3 +238,4 @@ CONFIG_CRYPTO_TWOFISH=m
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRC16=m
CONFIG_LIBCRC32C=m
+CONFIG_VCC=m
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index 95103054c0e469..8643b55dcae226 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -455,4 +455,9 @@ config MIPS_EJTAG_FDC_KGDB_CHAN
help
FDC channel number to use for KGDB.
+config VCC
+ tristate "Sun Virtual Console Concentrator"
+ depends on SUN_LDOMS
+ help
+ Support for Sun logical domain consoles.
endif # TTY
diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile
index 8689279afdf1b5..16330a81968594 100644
--- a/drivers/tty/Makefile
+++ b/drivers/tty/Makefile
@@ -33,5 +33,6 @@ obj-$(CONFIG_PPC_EPAPR_HV_BYTECHAN) += ehv_bytechan.o
obj-$(CONFIG_GOLDFISH_TTY) += goldfish.o
obj-$(CONFIG_DA_TTY) += metag_da.o
obj-$(CONFIG_MIPS_EJTAG_FDC_TTY) += mips_ejtag_fdc.o
+obj-$(CONFIG_VCC) += vcc.o
obj-y += ipwireless/
diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c
new file mode 100644
index 00000000000000..e1b809927cd6bd
--- /dev/null
+++ b/drivers/tty/vcc.c
@@ -0,0 +1,18 @@
+/* vcc.c: sun4v virtual channel concentrator
+ *
+ * Copyright (C) 2017 Oracle. All rights reserved.
+ */
+
+#include <linux/module.h>
+
+static int __init vcc_init(void)
+{
+ return 0;
+}
+
+static void __exit vcc_exit(void)
+{
+}
+
+module_init(vcc_init);
+module_exit(vcc_exit);
--
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