With the legacy partition binding we did not modify the device
node when no partition exist, but with the new binding we would
create the "partitions" node with compatible = "fixed-partitions".
Prevent that by catching the absence of partitions early.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/of/partition.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/of/partition.c b/drivers/of/partition.c
index 9b96a39edb..2e2ba35e87 100644
--- a/drivers/of/partition.c
+++ b/drivers/of/partition.c
@@ -131,7 +131,7 @@ static int of_partition_fixup(struct device_node *root, void *ctx)
struct cdev *cdev = ctx, *partcdev;
struct device_node *np, *part, *partnode;
int ret;
- int n_cells;
+ int n_cells, n_parts = 0;
if (of_partition_binding == MTD_OF_BINDING_DONTTOUCH)
return 0;
@@ -139,6 +139,13 @@ static int of_partition_fixup(struct device_node *root, void *ctx)
if (!cdev->device_node)
return -EINVAL;
+ list_for_each_entry(partcdev, &cdev->partitions, partition_entry) {
+ n_parts++;
+ }
+
+ if (!n_parts)
+ return 0;
+
if (cdev->size >= 0x100000000)
n_cells = 2;
else
--
2.11.0
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