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Add -T and --annotations command line arguments to dtx_diff. These
arguments will be passed through to dtc. dtc will then add source
location annotations to its output.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Update dtx_diff include paths in the same manner as:
commit b12869a8d519 ("of: remove drivers/of/testcase-data from
include search path for CPP"), commit 5ffa2aed389c ("of: remove
arch/$(SRCARCH)/boot/dts from include search path for CPP"), and
commit 50f9ddaf64e1 ("of: search scripts/dtc/include-prefixes path
for both CPP and DTC").
Remove proposed include path kernel/dts/, which was never implemented
for the dtb build.
For the diff case, each source file is compiled separately. For
each of those compiles, provide the location of the source file
as an include path, not the location of both source files.
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Update the cpp include flags for compiling device tree dts files
to match the changes made to the kernel build process in
commit d5d332d3f7e8 ("devicetree: Move include prefixes from arch
to separate directory").
Cc: <stable@vger.kernel.org> # 4.12
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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As the comparison uses process substitution to pass files after
conversion to DTS format, the diff header doesn't show the real
filenames, but the names of the file descriptors used:
--- /dev/fd/63 2017-06-22 11:21:47.531637188 +0200
+++ /dev/fd/62 2017-06-22 11:21:47.531637188 +0200
This is especially annoying when comparing a bunch of DT files in a
loop, as the output doesn't show a clue about which files it refers to.
Fix this by explicitly passing the original file names to the diff
command using the --label option, giving e.g.:
--- arch/arm/boot/dts/r8a7791-koelsch.dtb
+++ arch/arm/boot/dts/r8a7791-porter.dtb
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Determining which kernel config options need to be enabled for a
given devicetree can be a painful process. Create a new tool to
find the drivers that may match a devicetree node compatible,
find the kernel config options that enable the driver, and
optionally report whether the kernel config option is enabled.
Signed-off-by: Gaurav Minocha <gaurav.minocha.os@gmail.com>
Signed-off-by: Frank Rowand <frank.rowand@am.sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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If kernel config options are not properly set, "make scripts" will not
compile dtc. Update the unable to find dtc error message to check
the kernel config and give better advice on how to create dtc.
Reword another error message to increase clarity.
Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Create script to diff device trees.
The device tree can be in any of the forms recognized by the dtc compiler:
- source
- binary blob
- file system tree (from /proc/devicetree)
If the device tree is a source file, then it is pre-processed in the
same way as it would be when built in the linux kernel source tree
before diffing.
Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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