RE: [PATCH v4 4/7] PCI: Add fwnode_handle to pci_sysdata

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> -----Original Message-----
> From: Jiang Liu [mailto:jiang.liu@xxxxxxxxxxxxxxx]
> Sent: Thursday, October 29, 2015 6:55 PM
> To: Jake Oshins <jakeo@xxxxxxxxxxxxx>; gregkh@xxxxxxxxxxxxxxxxxxx; KY
> Srinivasan <kys@xxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx;
> vkuznets@xxxxxxxxxx; tglx@xxxxxxxxxx; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; marc.zyngier@xxxxxxx;
> bhelgaas@xxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v4 4/7] PCI: Add fwnode_handle to pci_sysdata
> 


> >
> > +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
> > +static inline void *pci_fwnode(struct pci_bus *bus)
> > +{
> > +	struct pci_sysdata *sd = bus->sysdata;
> > +	return sd->fwnode;
> > +}
> > +#endif
> Hi Jakeo,
> 	I would be better that if the function name indicates
> that we are getting PCI host bridge(root bus) firmware node.
> And you also need some magic here to avoid breaking compilation
> on other archs:
> in arch/x86/include/asm/pci.h
> #define pci_fwnode		pci_fwnode
> 
> in include/asm-generic/pci.h
> #ifndef pci_fwnode
> #define pci_fwnode(bus)         ((void)(bus),NULL)
> #endif
> 
> Thanks,
> Gerry

Got it.  Thanks.  I'll fix and resend.

-- Jake Oshins
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