diff options
Diffstat (limited to 'scripts/dtc/libfdt/fdt_wip.c')
| -rw-r--r-- | scripts/dtc/libfdt/fdt_wip.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/scripts/dtc/libfdt/fdt_wip.c b/scripts/dtc/libfdt/fdt_wip.c index c5bbb68d3273..6aaab399929c 100644 --- a/scripts/dtc/libfdt/fdt_wip.c +++ b/scripts/dtc/libfdt/fdt_wip.c @@ -55,21 +55,42 @@ #include "libfdt_internal.h" +int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset, + const char *name, int namelen, + uint32_t idx, const void *val, + int len) +{ + void *propval; + int proplen; + + propval = fdt_getprop_namelen_w(fdt, nodeoffset, name, namelen, + &proplen); + if (!propval) + return proplen; + + if (proplen < (len + idx)) + return -FDT_ERR_NOSPACE; + + memcpy((char *)propval + idx, val, len); + return 0; +} + int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name, const void *val, int len) { - void *propval; + const void *propval; int proplen; - propval = fdt_getprop_w(fdt, nodeoffset, name, &proplen); + propval = fdt_getprop(fdt, nodeoffset, name, &proplen); if (! propval) return proplen; if (proplen != len) return -FDT_ERR_NOSPACE; - memcpy(propval, val, len); - return 0; + return fdt_setprop_inplace_namelen_partial(fdt, nodeoffset, name, + strlen(name), 0, + val, len); } static void _fdt_nop_region(void *start, int len) |