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SubjectRe: [PATCH] of: add dtc annotations functionality to dtx_diff
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Hi Rob,


On 11/26/18 4:01 AM, frowand.list@gmail.com wrote:
> From: Frank Rowand <frank.rowand@sony.com>
>
> 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>
> ---
>
> This feature depends upon commit 5667e7ef9a9a ("annotations: add the
> annotation functionality") in the dtc git repository. To use the

Ping. Your subsequent patch on 11/30, "[PATCH 1/3] scripts/dtc:
Update to upstream version v1.4.7-57-gf267e674d145" adds the required
commit.

-Frank


> new flags before the new version of dtc is imported to the linux
> kernel, download the dtc repository, compile dtc with the make command,
> then add the path of the dtc repository to the shell PATH variable.>
> scripts/dtc/dtx_diff | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
> index 8c4fbad2055e..0d8572008729 100755
> --- a/scripts/dtc/dtx_diff
> +++ b/scripts/dtc/dtx_diff
> @@ -21,6 +21,7 @@ Usage:
> diff DTx_1 and DTx_2
>
>
> + --annotate synonym for -T
> -f print full dts in diff (--unified=99999)
> -h synonym for --help
> -help synonym for --help
> @@ -28,6 +29,7 @@ Usage:
> -s SRCTREE linux kernel source tree is at path SRCTREE
> (default is current directory)
> -S linux kernel source tree is at root of current git repo
> + -T Annotate output .dts with input source file and line (-T -T for more details)
> -u unsorted, do not sort DTx
>
>
> @@ -174,6 +176,7 @@ compile_to_dts() {
>
> # ----- start of script
>
> +annotate=""
> cmd_diff=0
> diff_flags="-u"
> dtx_file_1=""
> @@ -208,6 +211,14 @@ while [ $# -gt 0 ] ; do
> shift
> ;;
>
> + -T | --annotate )
> + if [ "${annotate}" = "" ] ; then
> + annotate="-T"
> + elif [ "${annotate}" = "-T" ] ; then
> + annotate="-T -T"
> + fi
> + shift
> + ;;
> -u )
> dtc_sort=""
> shift
> @@ -327,7 +338,7 @@ cpp_flags="\
> DTC="\
> ${DTC} \
> -i ${srctree}/scripts/dtc/include-prefixes \
> - -O dts -qq -f ${dtc_sort} -o -"
> + -O dts -qq -f ${dtc_sort} ${annotate} -o -"
>
>
> # ----- do the diff or decompile
>

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