Re: [PATCH] of: add dtc annotations functionality to dtx_diff

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Hi Rob,

I got the cc: list wrong on this patch, please dis-regard.

I will resend (with unchanged version) to the correct cc: list.

-Frank


On 11/26/18 3:54 AM, frowand.list@xxxxxxxxx wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
> 
> 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@xxxxxxxx>
> ---
> 
> This feature depends upon commit 5667e7ef9a9a ("annotations: add the
> annotation functionality") in the dtc git repository.  To use the
> 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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