[Buildroot] [PATCH 1/1] linux: allow both in-tree and custom dts files
Simon van der Veldt
simon.vanderveldt at gmail.com
Wed Feb 21 19:53:16 UTC 2018
For some boards, for example the Raspberry Pi, it's necessary to build in-tree dts files as well
as custom/out of tree dts-files (dt-blob.bin).
The existing logic made these two options exclusive, this commit changes that to allow both
in-tree as well as custom sources for dts files.
Signed-off-by: Simon van der Veldt <simon.vanderveldt at gmail.com>
---
linux/Config.in | 19 +++++++------------
linux/linux.mk | 5 +++--
2 files changed, 10 insertions(+), 14 deletions(-)
diff --git a/linux/Config.in b/linux/Config.in
index 0e1e4c287b..38b0334ed7 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -363,10 +363,6 @@ config BR2_LINUX_KERNEL_DTB_IS_SELF_BUILT
config BR2_LINUX_KERNEL_APPENDED_DTB
bool
-choice
- prompt "Device tree source"
- default BR2_LINUX_KERNEL_USE_INTREE_DTS
-
config BR2_LINUX_KERNEL_USE_INTREE_DTS
bool "Use a device tree present in the kernel"
help
@@ -374,14 +370,6 @@ config BR2_LINUX_KERNEL_USE_INTREE_DTS
the kernel sources. The dts files are located
in the arch/<arch>/boot/dts folder.
-config BR2_LINUX_KERNEL_USE_CUSTOM_DTS
- bool "Use a custom device tree file"
- help
- Use a custom device tree file, i.e, a device
- tree file that does not belong to the kernel
- source tree.
-endchoice
-
config BR2_LINUX_KERNEL_INTREE_DTS_NAME
string "Device Tree Source file names"
depends on BR2_LINUX_KERNEL_USE_INTREE_DTS
@@ -390,6 +378,13 @@ config BR2_LINUX_KERNEL_INTREE_DTS_NAME
the trailing .dts. You can provide a list of
dts files to build, separated by spaces.
+config BR2_LINUX_KERNEL_USE_CUSTOM_DTS
+ bool "Use a custom device tree file"
+ help
+ Use a custom device tree file, i.e, a device
+ tree file that does not belong to the kernel
+ source tree.
+
config BR2_LINUX_KERNEL_CUSTOM_DTS_PATH
string "Device Tree Source file paths"
depends on BR2_LINUX_KERNEL_USE_CUSTOM_DTS
diff --git a/linux/linux.mk b/linux/linux.mk
index 5300b9cfc5..58a38aa0e0 100644
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -120,12 +120,13 @@ LINUX_VERSION_PROBED = `$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-d
ifeq ($(BR2_LINUX_KERNEL_USE_INTREE_DTS),y)
KERNEL_DTS_NAME = $(call qstrip,$(BR2_LINUX_KERNEL_INTREE_DTS_NAME))
-else ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_DTS),y)
+endif
+ifeq ($(BR2_LINUX_KERNEL_USE_CUSTOM_DTS),y)
# We keep only the .dts files, so that the user can specify both .dts
# and .dtsi files in BR2_LINUX_KERNEL_CUSTOM_DTS_PATH. Both will be
# copied to arch/<arch>/boot/dts, but only the .dts files will
# actually be generated as .dtb.
-KERNEL_DTS_NAME = $(basename $(filter %.dts,$(notdir $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH)))))
+KERNEL_DTS_NAME += $(basename $(filter %.dts,$(notdir $(call qstrip,$(BR2_LINUX_KERNEL_CUSTOM_DTS_PATH)))))
endif
KERNEL_DTBS = $(addsuffix .dtb,$(KERNEL_DTS_NAME))
--
2.16.1
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