[PATCH 0/4] of: fdt: read blspec/FIT DT compat without unflattening
Ahmad Fatoum
a.fatoum at pengutronix.de
Fri Mar 1 05:04:41 PST 2024
blspec and FIT systems usually have multiple entries/configurations,
where a suitable one should be selected at runtime by comparing each
against the board's barebox DT compatible.
For blspec, this meant we need to unflatten the whole DT only to access
a single property. For FIT, this meant we expected the configuration to
carry a "compatible" property and didn't even attempt to parse it out of
the fdt as fallback. Both are resolved with this series.
Ahmad Fatoum (4):
of: fdt: factor out FDT header parsing
of: fdt: implement fdt_machine_is_compatible
blspec: don't parse whole device tree to compare compatibles
FIT: support finding compatible configuration by FDT compatible
common/blspec.c | 16 ++---
common/image-fit.c | 39 ++++++++++-
drivers/of/fdt.c | 171 ++++++++++++++++++++++++++++++++++++---------
include/of.h | 8 +++
4 files changed, 191 insertions(+), 43 deletions(-)
--
2.39.2
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