[U-Boot] [PATCH] dm: core: Add Kconfig for simple bus driver

[Marek Vasut]

Add Kconfig entries for the simple-bus driver, both for U-Boot
and for SPL. The simple-bus is enabled by default in U-Boot and
disabled by default in SPL to preserve the original behavior.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Simon Glass <sjg at chromium.org>
---
 drivers/core/Kconfig  | 15 +++++++++++++++
 drivers/core/Makefile |  5 ++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index e40372d..3403d1f 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -59,3 +59,18 @@ config DM_SEQ_ALIAS
 	  Most boards will have a '/aliases' node containing the path to
 	  numbered devices (e.g. serial0 = &serial0). This feature can be
 	  disabled if it is not required, to save code space in SPL.
+
+config SIMPLE_BUS
+	bool "Support simple-bus driver"
+	depends on DM && OF_CONTROL
+	default y
+	help
+	  Supports the 'simple-bus' driver, which is used on some systems.
+
+config SPL_SIMPLE_BUS
+	bool "Support simple-bus driver in SPL"
+	depends on SPL_DM && OF_CONTROL
+	default n
+	help
+	  Supports the 'simple-bus' driver, which is used on some systems
+	  in SPL.
diff --git a/drivers/core/Makefile b/drivers/core/Makefile
index 5c2ead8..74588b1 100644
--- a/drivers/core/Makefile
+++ b/drivers/core/Makefile
@@ -5,9 +5,8 @@
 #
 
 obj-y	+= device.o lists.o root.o uclass.o util.o
-ifndef CONFIG_SPL_BUILD
-obj-$(CONFIG_OF_CONTROL) += simple-bus.o
-endif
+obj-$(CONFIG_SIMPLE_BUS)	+= simple-bus.o
+obj-$(CONFIG_SPL_SIMPLE_BUS)	+= simple-bus.o
 obj-$(CONFIG_DM_DEVICE_REMOVE)	+= device-remove.o
 obj-$(CONFIG_DM)	+= dump.o
 obj-$(CONFIG_OF_CONTROL)	+= regmap.o
-- 
2.1.4