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Re: [Qemu-ppc] [PATCH] hw/ppc: use 0 instead of fdt_path_offset(fdt, "/"


From: David Gibson
Subject: Re: [Qemu-ppc] [PATCH] hw/ppc: use 0 instead of fdt_path_offset(fdt, "/")
Date: Wed, 4 Oct 2017 10:34:53 +1100
User-agent: Mutt/1.9.0 (2017-09-02)

On Tue, Oct 03, 2017 at 04:13:11PM +0200, Greg Kurz wrote:
> The offset of the root node is guaranteed to be 0.
> 
> This doesn't fix anything, it's just trivial cleanup of the two
> remaining places where this was done under hw/ppc.
> 
> Signed-off-by: Greg Kurz <address@hidden>

Applied to ppc-for-2.11.

> ---
>  hw/ppc/pnv.c   |    3 +--
>  hw/ppc/spapr.c |    3 +--
>  2 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
> index d46d91c76f5c..84b2389ea60b 100644
> --- a/hw/ppc/pnv.c
> +++ b/hw/ppc/pnv.c
> @@ -92,8 +92,7 @@ static int get_cpus_node(void *fdt)
>      int cpus_offset = fdt_path_offset(fdt, "/cpus");
>  
>      if (cpus_offset < 0) {
> -        cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"),
> -                                      "cpus");
> +        cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
>          if (cpus_offset) {
>              _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 
> 0x1)));
>              _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0)));
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index ff87f155d55e..352ff3d614e8 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -353,8 +353,7 @@ static int spapr_fixup_cpu_dt(void *fdt, 
> sPAPRMachineState *spapr)
>  
>          cpus_offset = fdt_path_offset(fdt, "/cpus");
>          if (cpus_offset < 0) {
> -            cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"),
> -                                          "cpus");
> +            cpus_offset = fdt_add_subnode(fdt, 0, "cpus");
>              if (cpus_offset < 0) {
>                  return cpus_offset;
>              }
> 

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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