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author | Tom Rini <trini@ti.com> | 2012-10-22 19:54:48 -0700 |
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committer | Tom Rini <trini@ti.com> | 2012-10-22 19:54:48 -0700 |
commit | 71724830b42f67ea9633324183bb622724eee9cd (patch) | |
tree | af64d8706ac3777456c74b10a775d23d1e62e06c /lib/libfdt/fdt_rw.c | |
parent | c7656bab411433f987baa2288eff8c78ddc0f378 (diff) | |
parent | cae4a8a2a81ca6cd16d5de1b55d47e315cbff05a (diff) | |
download | u-boot-imx-71724830b42f67ea9633324183bb622724eee9cd.zip u-boot-imx-71724830b42f67ea9633324183bb622724eee9cd.tar.gz u-boot-imx-71724830b42f67ea9633324183bb622724eee9cd.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-fdt
Diffstat (limited to 'lib/libfdt/fdt_rw.c')
-rw-r--r-- | lib/libfdt/fdt_rw.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/libfdt/fdt_rw.c b/lib/libfdt/fdt_rw.c index 5c27a67..5ed23d6 100644 --- a/lib/libfdt/fdt_rw.c +++ b/lib/libfdt/fdt_rw.c @@ -293,6 +293,33 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, return 0; } +int fdt_appendprop(void *fdt, int nodeoffset, const char *name, + const void *val, int len) +{ + struct fdt_property *prop; + int err, oldlen, newlen; + + FDT_RW_CHECK_HEADER(fdt); + + prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen); + if (prop) { + newlen = len + oldlen; + err = _fdt_splice_struct(fdt, prop->data, + FDT_TAGALIGN(oldlen), + FDT_TAGALIGN(newlen)); + if (err) + return err; + prop->len = cpu_to_fdt32(newlen); + memcpy(prop->data + oldlen, val, len); + } else { + err = _fdt_add_property(fdt, nodeoffset, name, len, &prop); + if (err) + return err; + memcpy(prop->data, val, len); + } + return 0; +} + int fdt_delprop(void *fdt, int nodeoffset, const char *name) { struct fdt_property *prop; |