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[PATCH 01/10] hw/arm/virt: Fix devicetree warning about the root node

From: Jean-Philippe Brucker
Subject: [PATCH 01/10] hw/arm/virt: Fix devicetree warning about the root node
Date: Wed, 24 Aug 2022 16:51:05 +0100

dt-validate warns that the 'model' property is missing from the

  /: 'model' is a required property
  From schema: dtschema/schemas/root-node.yaml

Use the same name for model as for compatible. The devicetree
specification recommends that 'compatible' follows the format
'manufacturer,model' and 'model' follows the format
'manufacturer,model-number'. Since our 'compatible' doesn't observe
this, 'model' doesn't really need to either.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
This could be an opportunity to improve the machine print by Linux, for
example make it display "qemu,virt-7.2". I was concerned about breaking
some automated testing that may use the stable virt-x.y machines, so I
kept the same as compatible.
 hw/arm/virt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 9633f822f3..abcf2716bc 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -252,6 +252,7 @@ static void create_fdt(VirtMachineState *vms)
     qemu_fdt_setprop_string(fdt, "/", "compatible", "linux,dummy-virt");
     qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x2);
     qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x2);
+    qemu_fdt_setprop_string(fdt, "/", "model", "linux,dummy-virt");
     /* /chosen must exist for load_dtb to fill in necessary properties later */
     qemu_fdt_add_subnode(fdt, "/chosen");

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