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| author | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2017-06-30 16:53:17 +0200 |
|---|---|---|
| committer | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2017-07-03 12:51:46 +0200 |
| commit | 26148417fab419a0c7f301fb8f2be015324d5374 (patch) | |
| tree | e12632128910480064878575e7aca7be072841a3 /src | |
| parent | 5ef3f9b16827478a3bfd24bc07de89a7732d93b9 (diff) | |
| download | dt-utils-26148417fab419a0c7f301fb8f2be015324d5374.tar.gz dt-utils-26148417fab419a0c7f301fb8f2be015324d5374.tar.xz | |
libdt: support finding devices by partuuid
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Diffstat (limited to 'src')
| -rw-r--r-- | src/libdt.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/libdt.c b/src/libdt.c index 3adeed2..2bc6cc1 100644 --- a/src/libdt.c +++ b/src/libdt.c @@ -2393,6 +2393,18 @@ int of_get_devicepath(struct device_node *partition_node, char **devpath, off_t */ node = partition_node->parent; + if (of_device_is_compatible(node, "fixed-partitions")) { + const char *uuid; + + /* when partuuid is specified short-circuit the search for the cdev */ + ret = of_property_read_string(partition_node, "partuuid", &uuid); + if (!ret) { + *devpath = basprintf("/dev/disk/by-partuuid/%s", uuid); + + return 0; + } + } + /* * Respect flash "partitions" subnode. Use parent of parent in this * case. |