Revert "fdtdec: drop needlessly convoluted CONFIG_PHANDLE_CHECK_SEQ"
The fdt_path_offset() function is slow since it must scan the tree.
This substantial overhead now applies to all boards.
The original code may not be ideal but it is fit for purpose and is only
needed on a few boards.
Reverting this reduces time to set up driver model by about 30ms.
Before revert:
Accumulated time:
47,170 dm_r
53,237 dm_spl
572,986 dm_f
Accumulated time:
44,598 dm_r
50,347 dm_spl
549,133 dm_f
This reverts commit 26f981f295d00351b6f0c69b5317b254b2361cc0.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/Kconfig b/lib/Kconfig
index 2425296..a83f32d 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -1045,6 +1045,13 @@
Define the number of supported reserved regions in the library logical
memory blocks.
+config PHANDLE_CHECK_SEQ
+ bool "Enable phandle check while getting sequence number"
+ help
+ When there are multiple device tree nodes with same name,
+ enable this config option to distinguish them using
+ phandles in fdtdec_get_alias_seq() function.
+
endmenu
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