Re: [PATCH v2 7/8] hw/riscv/virt.c: imsics DT: add 'qemu, imsics' to 'compatible'

[Alistair Francis <alistair23@gmail.com>]

On Sat, Jun 1, 2024 at 6:31 AM Daniel Henrique Barboza
<dbarboza@ventanamicro.com> wrote:
>
> The DT docs for riscv,imsics [1] predicts a 'qemu,imsics' enum in the
> 'compatible' property.
>
> [1] Documentation/devicetree/bindings/interrupt-controller/riscv,imsics.yaml
>
> Reported-by: Conor Dooley <conor@kernel.org>
> Fixes: 28d8c281200f ("hw/riscv: virt: Add optional AIA IMSIC support to virt machine")
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>

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

Alistair

> ---
>  hw/riscv/virt.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> index 56d7e945c6..ac70993679 100644
> --- a/hw/riscv/virt.c
> +++ b/hw/riscv/virt.c
> @@ -515,6 +515,9 @@ static void create_fdt_one_imsic(RISCVVirtState *s, hwaddr base_addr,
>      uint32_t imsic_max_hart_per_socket, imsic_addr, imsic_size;
>      g_autofree uint32_t *imsic_cells = NULL;
>      g_autofree uint32_t *imsic_regs = NULL;
> +    static const char * const imsic_compat[2] = {
> +        "qemu,imsics", "riscv,imsics"
> +    };
>
>      imsic_cells = g_new0(uint32_t, ms->smp.cpus * 2);
>      imsic_regs = g_new0(uint32_t, socket_count * 4);
> @@ -541,7 +544,10 @@ static void create_fdt_one_imsic(RISCVVirtState *s, hwaddr base_addr,
>      imsic_name = g_strdup_printf("/soc/interrupt-controller@%lx",
>                                   (unsigned long)base_addr);
>      qemu_fdt_add_subnode(ms->fdt, imsic_name);
> -    qemu_fdt_setprop_string(ms->fdt, imsic_name, "compatible", "riscv,imsics");
> +    qemu_fdt_setprop_string_array(ms->fdt, imsic_name, "compatible",
> +                                  (char **)&imsic_compat,
> +                                  ARRAY_SIZE(imsic_compat));
> +
>      qemu_fdt_setprop_cell(ms->fdt, imsic_name, "#interrupt-cells",
>                            FDT_IMSIC_INT_CELLS);
>      qemu_fdt_setprop(ms->fdt, imsic_name, "interrupt-controller", NULL, 0);
> --
> 2.45.1
>
>