[PATCH 4/5] hw/riscv: virt: fix syscon subnode paths

[Alistair Francis]

On Sat, Aug 6, 2022 at 2:10 AM Conor Dooley <mail at conchuod.ie> wrote:
>
> From: Conor Dooley <conor.dooley at microchip.com>
>
> The subnodes of the syscon have been added to the incorrect paths.
> Rather than add them as subnodes, they were originally added to "/foo"
> and a later patch moved them to "/soc/foo". Both are incorrect & they
> should have been added as "/soc/test@###/foo" as "/soc/test" is the
> syscon node. Fix both the reboot and poweroff subnodes to avoid errors
> such as:
>
> /stuff/qemu/qemu.dtb: soc: poweroff: {'value': [[21845]], 'offset': [[0]], 'regmap': [[4]], 'compatible': ['syscon-poweroff']} should not be valid under {'type': 'object'}
>         From schema: /home/conor/.local/lib/python3.9/site-packages/dtschema/schemas/simple-bus.yaml
> /stuff/qemu/qemu.dtb: soc: reboot: {'value': [[30583]], 'offset': [[0]], 'regmap': [[4]], 'compatible': ['syscon-reboot']} should not be valid under {'type': 'object'}
>         From schema: /home/conor/.local/lib/python3.9/site-packages/dtschema/schemas/simple-bus.yaml
>
> Reported-by: Rob Herring <robh at kernel.org>
> Link: https://lore.kernel.org/linux-riscv/20220803170552.GA2250266-robh@kernel.org/
> Fixes: 18df0b4695 ("hw/riscv: virt: Allow creating multiple NUMA sockets")
> Fixes: 0e404da007 ("riscv/virt: Add syscon reboot and poweroff DT nodes")
> Signed-off-by: Conor Dooley <conor.dooley at microchip.com>

Reviewed-by: Alistair Francis <alistair.francis at wdc.com>

Alistair

> ---
>  hw/riscv/virt.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> index 8b2978076e..a98b054545 100644
> --- a/hw/riscv/virt.c
> +++ b/hw/riscv/virt.c
> @@ -896,7 +896,8 @@ static void create_fdt_reset(RISCVVirtState *s, const MemMapEntry *memmap,
>      test_phandle = qemu_fdt_get_phandle(mc->fdt, name);
>      g_free(name);
>
> -    name = g_strdup_printf("/soc/reboot");
> +    name = g_strdup_printf("/soc/test@%lx/reboot",
> +        (long)memmap[VIRT_TEST].base);
>      qemu_fdt_add_subnode(mc->fdt, name);
>      qemu_fdt_setprop_string(mc->fdt, name, "compatible", "syscon-reboot");
>      qemu_fdt_setprop_cell(mc->fdt, name, "regmap", test_phandle);
> @@ -904,7 +905,8 @@ static void create_fdt_reset(RISCVVirtState *s, const MemMapEntry *memmap,
>      qemu_fdt_setprop_cell(mc->fdt, name, "value", FINISHER_RESET);
>      g_free(name);
>
> -    name = g_strdup_printf("/soc/poweroff");
> +    name = g_strdup_printf("/soc/test@%lx/poweroff",
> +        (long)memmap[VIRT_TEST].base);
>      qemu_fdt_add_subnode(mc->fdt, name);
>      qemu_fdt_setprop_string(mc->fdt, name, "compatible", "syscon-poweroff");
>      qemu_fdt_setprop_cell(mc->fdt, name, "regmap", test_phandle);
> --
> 2.37.1
>
>