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The new fdt_generate_phandle() function can be used to generate a new, unused phandle given a specific device tree blob. The implementation is somewhat naive in that it simply walks the entire device tree to find the highest phandle value and then returns a phandle value one higher than that. A more clever implementation might try to find holes in the current set of phandle values and fill them. But this implementation is relatively simple and works reliably. Also add a test that validates that phandles generated by this new API are indeed unique. Signed-off-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> |
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| .. | ||
| fdt.c | ||
| fdt_addresses.c | ||
| fdt_empty_tree.c | ||
| fdt_overlay.c | ||
| fdt_region.c | ||
| fdt_ro.c | ||
| fdt_rw.c | ||
| fdt_strerror.c | ||
| fdt_sw.c | ||
| fdt_wip.c | ||
| libfdt_internal.h | ||
| Makefile | ||
| README | ||
| test_libfdt.py | ||
The libfdt functionality was written by David Gibson. The original source came from the Git repository: URL: git://ozlabs.org/home/dgibson/git/libfdt.git author David Gibson <dgibson@sneetch.(none)> Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100) committer David Gibson <dgibson@sneetch.(none)> Fri, 23 Mar 2007 04:16:54 +0000 (15:16 +1100) commit 857f54e79f74429af20c2b5ecc00ee98af6a3b8b tree 2f648f0f88225a51ded452968d28b4402df8ade0 parent 07a12a08005f3b5cd9337900a6551e450c07b515 To adapt for U-Boot usage, only the applicable files were copied and imported into the U-Boot Git repository. Omitted: * GPL - U-Boot comes with a copy of the GPL license * test subdirectory - not directly useful for U-Boot After importing, other customizations were performed. See the "git log" for details. Jerry Van Baren