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dts: add property removal option CONFIG_OF_REMOVE_PROPS

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This can be used for device tree size reduction similar as
CONFIG_OF_SPL_REMOVE_PROPS option. Some boards must pass the
built-in DTB unchanged to the kernel, thus we may not cut it
down unconditionally. Therefore enable the property removal
list option only if CONFIG_OF_DTB_PROPS_REMOVE is selected.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Anatolij Gustschin
2020-01-12 15:57:42 +01:00
committed by Tom Rini
parent 051e03c0d7
commit 43b6e38b27
3 changed files with 33 additions and 0 deletions
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8
scripts/Makefile.lib
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@@ -544,3 +544,11 @@ quiet_cmd_fdtgrep = FDTGREP $@
$(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
-P u-boot,dm-pre-reloc -P u-boot,dm-spl -P u-boot,dm-tpl \
$(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
# fdt_rm_props
# ---------------------------------------------------------------------------
# Pass the original device tree file through fdtgrep. This removes various
# unused properties. The output is typically a smaller device tree file.
quiet_cmd_fdt_rm_props = FDTGREP $@
cmd_fdt_rm_props = cat $< | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
$(addprefix -P ,$(subst $\",,$(CONFIG_OF_REMOVE_PROPS)))