of_probe may be called more than once, e.g. after oftree -p or by board
code after fixing up device tree. This currently leads to a harmless,
but annoying error message about machine already being registered.
Avoid this by creating the device only once.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
drivers/of/base.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 910348fb81b9..ec4f9327036c 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -2333,9 +2333,12 @@ mem_initcall(of_probe_memory);
static void of_platform_device_create_root(struct device_node *np)
{
- struct device_d *dev;
+ static struct device_d *dev;
int ret;
+ if (dev)
+ return;
+
dev = xzalloc(sizeof(*dev));
dev->id = DEVICE_ID_SINGLE;
dev->device_node = np;
--
2.30.2
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