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| author | Wolfgang Denk <wd@denx.de> | 2010-08-04 00:30:50 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-08-04 00:30:50 +0200 |
| commit | 36448c6038aa06a7f031fd5c4141224b513ed838 (patch) | |
| tree | 8b9ab193eda6859d3d6ba899e0872cba6d8b0d8c /common | |
| parent | c8cf4fc40757fa08af835dd886d9f7dacb515683 (diff) | |
| parent | a37c36f4e70bada297f281b0e542539ad43e50f6 (diff) | |
| download | u-boot-imx-36448c6038aa06a7f031fd5c4141224b513ed838.zip u-boot-imx-36448c6038aa06a7f031fd5c4141224b513ed838.tar.gz u-boot-imx-36448c6038aa06a7f031fd5c4141224b513ed838.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'common')
| -rw-r--r-- | common/fdt_support.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index 718b635..166f5e1 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -1151,4 +1151,22 @@ int fdt_node_offset_by_compat_reg(void *blob, const char *compat, return -FDT_ERR_NOTFOUND; } +/** + * fdt_alloc_phandle: Return next free phandle value + * + * @blob: ptr to device tree + */ +int fdt_alloc_phandle(void *blob) +{ + int offset, len, phandle = 0; + const u32 *val; + + for (offset = fdt_next_node(blob, -1, NULL); offset >= 0; + offset = fdt_next_node(blob, offset, NULL)) { + val = fdt_getprop(blob, offset, "linux,phandle", &len); + if (val) + phandle = max(*val, phandle); + } + return phandle + 1; +} |