The root node has an empty name and thus %pOF returns an empty string.
This is confusing for the machine device, so print just a / in that
case.

Signed-off-by: Ahmad Fatoum <[email protected]>
---
 commands/devinfo.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/commands/devinfo.c b/commands/devinfo.c
index e132f88bf3f3..c87b30e84307 100644
--- a/commands/devinfo.c
+++ b/commands/devinfo.c
@@ -108,7 +108,11 @@ static int do_devinfo(int argc, char *argv[])
                               dev_is_dma_coherent(dev) ? "true" : "false",
                               dev->dma_coherent == DEV_DMA_COHERENCE_DEFAULT ? 
" (default)" : "");
 
-                       printf("Device node: %pOF", dev->of_node);
+                       if (dev->of_node->parent)
+                               printf("Device node: %pOF", dev->of_node);
+                       else
+                               printf("Device node: %s", "/");
+
                        if (!main_dev) {
                               printf(" (unpopulated)\n");
                        } else if (main_dev != dev) {
-- 
2.47.3


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