[PATCH 0/6] Makefile: Tidy up of-platdata file generation rules

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The recent of-platdata implementation has caused an occasional error in
CI, possibly due to the transition between !OF_PLATDATA_INST and

The problems seems to be due to a generated file (C or object file) not
being regenerated when the setting changes.

This series take two steps aimed at correct this problem.

Firstly it makes the set of files generated (in each case) mutually
exclusive, except for the header files which remain common. This means
that the build will fail if new files are not generated when the setting

Secondly it removes the old generated files before building new ones,
since that could trip things up if the flag changes back again in a
subsequent build.

In addition, dtoc is currently running on every of-platadata build, even
if nothing has changed. Also pylibfdt is always built due to a change in
file naming with Python 3. Both of these problems are fixed.

Simon Glass (6):
  dtc: Tidy up pylibfdt build rule
  Makefile: Avoid running dtoc every time
  Makefile: Depend only on required of-platdata files
  dtoc: Only generate the required files
  Makefile: Use a variable for generated of-platdata headers
  Makefile: Remove old of-platdata files before regenerating

 scripts/Makefile.spl          | 36 +++++++++++++++++++++++------------
 scripts/dtc/pylibfdt/Makefile |  8 ++++++--
 tools/dtoc/dtb_platdata.py    | 23 ++++++++++++++++++----
 tools/dtoc/test_dtoc.py       |  2 +-
 4 files changed, 50 insertions(+), 19 deletions(-)


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