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-rw-r--r--Documentation/devicetree/bindings/mtd/partition.txt7
-rw-r--r--drivers/mtd/ofpart.c3
2 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mtd/partition.txt b/Documentation/devicetree/bindings/mtd/partition.txt
index f1e2a02381a4..1c63e40659fc 100644
--- a/Documentation/devicetree/bindings/mtd/partition.txt
+++ b/Documentation/devicetree/bindings/mtd/partition.txt
@@ -6,7 +6,9 @@ used for what purposes, but which don't use an on-flash partition table such
as RedBoot.
The partition table should be a subnode of the mtd node and should be named
-'partitions'. Partitions are defined in subnodes of the partitions node.
+'partitions'. This node should have the following property:
+- compatible : (required) must be "fixed-partitions"
+Partitions are then defined in subnodes of the partitions node.
For backwards compatibility partitions as direct subnodes of the mtd device are
supported. This use is discouraged.
@@ -36,6 +38,7 @@ Examples:
flash@0 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
@@ -53,6 +56,7 @@ flash@0 {
flash@1 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <2>;
@@ -66,6 +70,7 @@ flash@1 {
flash@2 {
partitions {
+ compatible = "fixed-partitions";
#address-cells = <2>;
#size-cells = <2>;
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 3e9c5857c991..9ed6038e47d2 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -55,6 +55,9 @@ static int parse_ofpart_partitions(struct mtd_info *master,
master->name, mtd_node->full_name);
ofpart_node = mtd_node;
dedicated = false;
+ } else if (!of_device_is_compatible(ofpart_node, "fixed-partitions")) {
+ /* The 'partitions' subnode might be used by another parser */
+ return 0;
}
/* First count the subnodes */