From c03a5b84722f52296e72e4cc225d7a632149c3f4 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sjur=20Br=C3=A6ndeland?= <sjur.brandeland@stericsson.com>
Date: Fri, 18 Nov 2011 15:25:02 +0100
Subject: [PATCH] xshm: Makefile and Kconfig for M7400 Shared Memory Drivers
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CONFIG_XSHM should be selected from architectures supporting
C2C, this will enable the XSHM configuration.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
---
 drivers/Kconfig       |  2 ++
 drivers/Makefile      |  1 +
 drivers/xshm/Kconfig  | 61 +++++++++++++++++++++++++++++++++++++++++++
 drivers/xshm/Makefile |  5 ++++
 4 files changed, 69 insertions(+)
 create mode 100644 drivers/xshm/Kconfig
 create mode 100644 drivers/xshm/Makefile

diff --git a/drivers/Kconfig b/drivers/Kconfig
index b5e6f243f749..c91a13cc8c8f 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -136,4 +136,6 @@ source "drivers/hv/Kconfig"
 
 source "drivers/devfreq/Kconfig"
 
+source "drivers/xshm/Kconfig"
+
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 1b3142127bf5..eedd8e5d4af1 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -120,6 +120,7 @@ obj-$(CONFIG_VLYNQ)		+= vlynq/
 obj-$(CONFIG_STAGING)		+= staging/
 obj-y				+= platform/
 obj-y				+= ieee802154/
+obj-$(CONFIG_XSHM)		+= xshm/
 #common clk code
 obj-y				+= clk/
 
diff --git a/drivers/xshm/Kconfig b/drivers/xshm/Kconfig
new file mode 100644
index 000000000000..099334691ece
--- /dev/null
+++ b/drivers/xshm/Kconfig
@@ -0,0 +1,61 @@
+#
+# XSHM Framework
+#
+
+config XSHM
+	tristate
+	default n
+	depends on EXPERIMENTAL
+
+if XSHM && NET
+
+menu "XSHM drivers and interfaces"
+
+config DUMMY_C2C
+	tristate "Dummy C2C GENIO driver"
+	depends on !C2C
+	default XSHM
+	---help---
+	Say "Y" or "M" if you want to compile a dummy C2C driver.
+	Use this if you want to compile without the real
+	C2C driver available.
+
+config XSHM_BUS
+	tristate
+	default XSHM_DEV
+
+config XSHM_BOOT
+	tristate
+	depends on XSHM_DEV
+	default XSHM_DEV
+
+config XSHM_DEV
+	tristate "XSHM Channels for External Shared Memory (XSHM)"
+	depends on DUMMY_C2C || C2C
+	select XSHM_BUS
+	select XSHM_BOOT
+	default XSHM
+	---help---
+	Say "Y" to use External Shared Memory (XSHM) IPC mechanism.
+	XSHM is an IPC protocol used to talk to external device such
+	as modem over a shared memory (e.g. Chip to Chip).
+	Only say "M" here if you want to test XSHM and need to load
+	and unload its module.
+	If unsure say N.
+
+config XSHM_CHR
+	tristate "Character device for External Shared Memory (XSHM)"
+	depends on XSHM_DEV
+	default XSHM_DEV
+	---help---
+	Say "Y" to use a character device for the External Shared
+	Memory (XSHM) IPC mechanism. XSHM is an IPC protocol used to
+	talk to external device such as modem over a shared memory
+	(e.g. Chip to Chip).
+	Only say "M" here if you want to test XSHM and need to load
+	and unload its module.
+	If unsure say N.
+
+endmenu
+
+endif
diff --git a/drivers/xshm/Makefile b/drivers/xshm/Makefile
new file mode 100644
index 000000000000..001cd7973fb4
--- /dev/null
+++ b/drivers/xshm/Makefile
@@ -0,0 +1,5 @@
+obj-$(CONFIG_XSHM_BUS) += xshm_bus.o
+obj-$(CONFIG_XSHM_BOOT) += xshm_boot.o
+obj-$(CONFIG_XSHM_DEV) += xshm_dev.o
+obj-$(CONFIG_XSHM_CHR) +=  xshm_chr.o
+obj-$(CONFIG_DUMMY_C2C) +=  dummy_c2c_genio.o
-- 
2.39.5