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dtoverlay: More "reg" and "name" support

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Allow node names to be changed by assigning to the "name"
meta-property.

Don't create or extand a "reg" property, but do overwrite it if
it already exists.
This commit is contained in:
Phil Elwell
2018-01-25 10:57:50 +00:00
committed by popcornmix
parent 58021d2342
commit c8c0b7638a
1 changed files with 5 additions and 1 deletions
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6
helpers/dtoverlay/dtoverlay.c
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@@ -1145,6 +1145,10 @@ int dtoverlay_override_one_target(int override_type,
prop_val[prop_len - 1] = ' ';
err = fdt_appendprop_string(dtb->fdt, node_off, prop_name, override_value);
}
else if (strcmp(prop_name, "name") == 0) // "name" is a pseudo-property
{
err = dtoverlay_set_node_name(dtb, node_off, override_value);
}
else
err = fdt_setprop_string(dtb->fdt, node_off, prop_name, override_value);
}
@@ -1226,7 +1230,7 @@ int dtoverlay_override_one_target(int override_type,
break;
}
if (prop_buf)
if (prop_buf && (strcmp(prop_name, "reg") != 0)) // Don't create or extend "reg" - it must be a pseudo-property
{
/* Add/extend the property by setting it */
err = fdt_setprop(dtb->fdt, node_off, prop_name, prop_buf, new_prop_len);