diff options
author | Tom Rini <trini@konsulko.com> | 2019-04-13 08:27:35 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2019-04-13 08:27:35 -0400 |
commit | cf5eebeb18f7790d5030eb94f51fca0ebcd6e406 (patch) | |
tree | f4c9c40f9353fbe4104875779c7eedd3ed2342cc /scripts/dtc/libfdt/fdt_ro.c | |
parent | 0a5228be868622894a5f8f226203cd7bac562187 (diff) | |
parent | 73c02e5e4fc1ef53d06289232edd6cc52e3d73f6 (diff) |
Merge tag 'pull-12apr19' of git://git.denx.de/u-boot-dm
fdtdec tests and improvements for carve-outs
pinctrl race-condition fix
various other fixes in sandbox, sound, mkimage, etc.
Diffstat (limited to 'scripts/dtc/libfdt/fdt_ro.c')
-rw-r--r-- | scripts/dtc/libfdt/fdt_ro.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/scripts/dtc/libfdt/fdt_ro.c b/scripts/dtc/libfdt/fdt_ro.c index dfb3236da3..dc499884e4 100644 --- a/scripts/dtc/libfdt/fdt_ro.c +++ b/scripts/dtc/libfdt/fdt_ro.c @@ -115,6 +115,37 @@ uint32_t fdt_get_max_phandle(const void *fdt) return 0; } +int fdt_generate_phandle(const void *fdt, uint32_t *phandle) +{ + uint32_t max = 0; + int offset = -1; + + while (true) { + uint32_t value; + + offset = fdt_next_node(fdt, offset, NULL); + if (offset < 0) { + if (offset == -FDT_ERR_NOTFOUND) + break; + + return offset; + } + + value = fdt_get_phandle(fdt, offset); + + if (value > max) + max = value; + } + + if (max == FDT_MAX_PHANDLE) + return -FDT_ERR_NOPHANDLES; + + if (phandle) + *phandle = max + 1; + + return 0; +} + int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size) { FDT_CHECK_HEADER(fdt); |