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authorTom Rini <trini@konsulko.com>2020-04-16 13:45:03 -0400
committerTom Rini <trini@konsulko.com>2020-04-16 13:45:03 -0400
commitf51b4bcf61c9aa7994138a4a417488c1fbdb47cd (patch)
tree4f536d0892be1359f2cf02bfe366b56bef83bf28 /lib/fdtdec.c
parentdba0a6ae1907bbff3ebda06e4874d006f10db1bb (diff)
parentb0dcc87106464c3fc019e3771378a092fd32ebdb (diff)
Merge tag 'dm-pull-10apr20-take2' of git://git.denx.de/u-boot-dm
Functions for reading indexed values from device tree Enhancements to 'dm' command Log test enhancements and syslog driver DM change to read parent ofdata before children Minor fixes
Diffstat (limited to 'lib/fdtdec.c')
-rw-r--r--lib/fdtdec.c36
1 files changed, 26 insertions, 10 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index eb11fc898e..9ecfa2a2d7 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -1433,14 +1433,9 @@ int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name,
const struct fdt_memory *carveout)
{
uint32_t phandle;
- int err, offset;
+ int err, offset, len;
fdt32_t value;
-
- /* XXX implement support for multiple phandles */
- if (index > 0) {
- debug("invalid index %u\n", index);
- return -FDT_ERR_BADOFFSET;
- }
+ void *prop;
err = fdtdec_add_reserved_memory(blob, name, carveout, &phandle);
if (err < 0) {
@@ -1456,10 +1451,31 @@ int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name,
value = cpu_to_fdt32(phandle);
- err = fdt_setprop(blob, offset, prop_name, &value, sizeof(value));
+ if (!fdt_getprop(blob, offset, prop_name, &len)) {
+ if (len == -FDT_ERR_NOTFOUND)
+ len = 0;
+ else
+ return len;
+ }
+
+ if ((index + 1) * sizeof(value) > len) {
+ err = fdt_setprop_placeholder(blob, offset, prop_name,
+ (index + 1) * sizeof(value),
+ &prop);
+ if (err < 0) {
+ debug("failed to resize reserved memory property: %s\n",
+ fdt_strerror(err));
+ return err;
+ }
+ }
+
+ err = fdt_setprop_inplace_namelen_partial(blob, offset, prop_name,
+ strlen(prop_name),
+ index * sizeof(value),
+ &value, sizeof(value));
if (err < 0) {
- debug("failed to set %s property for node %s: %d\n", prop_name,
- node, err);
+ debug("failed to update %s property for node %s: %s\n",
+ prop_name, node, fdt_strerror(err));
return err;
}