Re: [PATCH 4/7] ppc/pnv: Simplify pnv_bmc_create()

[David Gibson]

On Thu, Jan 28, 2021 at 08:46:01AM +0100, Cédric Le Goater wrote:
> On 1/28/21 1:46 AM, Joel Stanley wrote:
> > On Tue, 26 Jan 2021 at 17:14, Cédric Le Goater <clg@kaod.org> wrote:
> >>
> >> and reuse pnv_bmc_set_pnor() to share the setting of the PNOR.
> >>
> >> Signed-off-by: Cédric Le Goater <clg@kaod.org>
> >> ---
> >>  hw/ppc/pnv_bmc.c | 7 +------
> >>  1 file changed, 1 insertion(+), 6 deletions(-)
> >>
> >> diff --git a/hw/ppc/pnv_bmc.c b/hw/ppc/pnv_bmc.c
> >> index 67ebb16c4d5f..86d16b493539 100644
> >> --- a/hw/ppc/pnv_bmc.c
> >> +++ b/hw/ppc/pnv_bmc.c
> >> @@ -260,13 +260,8 @@ IPMIBmc *pnv_bmc_create(PnvPnor *pnor)
> >>      Object *obj;
> >>
> >>      obj = object_new(TYPE_IPMI_BMC_SIMULATOR);
> >> -    object_ref(OBJECT(pnor));
> >> -    object_property_add_const_link(obj, "pnor", OBJECT(pnor));
> > 
> > I assume it's ok to move the link set to after the realise of the BMC 
> > object?
>  
> 
> When 2 objects need to be linked, one has to be realized first. 
> I suppose this is why it is allowed but I am not expert in that area. 
> 
> Greg  ?
> 
> That was the case already when defining a "ipmi-bmc-sim" device on the 
> command line.

Well, the other thing here is that the IPMI_BMC_SIMULATOR isn't a
POWER specific object, and doesn't actually know anything about pnor,
so it never looks at that property.  Do we even need it?

> 
> C. 
> 
> 
> >>      qdev_realize(DEVICE(obj), NULL, &error_fatal);
> >> -
> >> -    /* Install the HIOMAP protocol handlers to access the PNOR */
> >> -    ipmi_sim_register_netfn(IPMI_BMC_SIMULATOR(obj), IPMI_NETFN_OEM,
> >> -                            &hiomap_netfn);
> >> +    pnv_bmc_set_pnor(IPMI_BMC(obj), pnor);
> >>
> >>      return IPMI_BMC(obj);
> >>  }
> >>
> >>
> 

-- 
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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