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| author | Simon Glass <sjg@chromium.org> | 2020-02-20 14:45:52 -0700 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2020-02-24 13:38:44 +1100 |
| commit | 57bc6327b80bc95bee9fc5f07d4fc83186a8f167 (patch) | |
| tree | 9da35900a63bed5ce4333a1424d6b4e96c445427 /libfdt/fdt_rw.c | |
| parent | 464962489dcc563e354ff64c9e58856185f32728 (diff) | |
| download | dtc-57bc6327b80bc95bee9fc5f07d4fc83186a8f167.zip dtc-57bc6327b80bc95bee9fc5f07d4fc83186a8f167.tar.gz dtc-57bc6327b80bc95bee9fc5f07d4fc83186a8f167.tar.bz2 | |
libfdt: Add support for disabling dtb checks
Support ASSUME_VALID_DTB to disable some sanity checks
If we assume that the DTB itself is valid then we can skip some checks and
save code space. Add various conditions to handle this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Message-Id: <20200220214557.176528-4-sjg@chromium.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'libfdt/fdt_rw.c')
| -rw-r--r-- | libfdt/fdt_rw.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c index 8795947..707c00a 100644 --- a/libfdt/fdt_rw.c +++ b/libfdt/fdt_rw.c @@ -24,6 +24,8 @@ static int fdt_blocks_misordered_(const void *fdt, static int fdt_rw_probe_(void *fdt) { + if (can_assume(VALID_DTB)) + return 0; FDT_RO_PROBE(fdt); if (fdt_version(fdt) < 17) |