From: Jag Raman <jag.raman@oracle.com>
Date: Tue, 15 Aug 2017 21:02:57 +0000 (-0400)
Subject: sparc64: vcc: Enable VCC module in linux
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=55bd2133fc3c5ee138d19b76ed8f9495b35d57ec;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

diff --git a/MAINTAINERS b/MAINTAINERS
index 84d6a8277cbd..28c0b4b98450 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 ca8609d7292f..4d4e1cc6402f 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 95103054c0e4..8643b55dcae2 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 8689279afdf1..16330a819685 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 000000000000..e1b809927cd6
--- /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);