[PATCH] pci: Provide support for parsing PCI DT ranges property

[Andrew Murray]

On Thu, Dec 13, 2012 at 09:13:33AM +0000, Thierry Reding wrote:
> Hi Andrew,
> 
> I don't like iterator interfaces too much, but I can live with that.
> Other than that the patch looks good to me and I'll try to work it into
> my Tegra PCIe patch series.
> 
> Just two minor comments below.
> 
> > diff --git a/drivers/of/address.c b/drivers/of/address.c
> [...]
> > @@ -421,7 +472,7 @@ u64 __of_translate_address(struct device_node *dev, const __be32 *in_addr,
> >  		goto bail;
> >  	bus = of_match_bus(parent);
> >  
> > -	/* Cound address cells & copy address locally */
> > +	/* Count address cells & copy address locally */
> >  	bus->count_cells(dev, &na, &ns);
> >  	if (!OF_CHECK_COUNTS(na, ns)) {
> >  		printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
> 
> This is really minor, but it should still go into a separate patch.
> 
> > diff --git a/include/linux/of_address.h b/include/linux/of_address.h
> > index 01b925a..4582b20 100644
> > --- a/include/linux/of_address.h
> > +++ b/include/linux/of_address.h
> > @@ -26,6 +26,8 @@ static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
> >  #define pci_address_to_pio pci_address_to_pio
> >  #endif
> >  
> > +const __be32 *of_pci_process_ranges(struct device_node *node,
> > +				    struct resource *res, const __be32 *from);
> >  #else /* CONFIG_OF_ADDRESS */
> >  static inline int of_address_to_resource(struct device_node *dev, int index,
> >  					 struct resource *r)
> > @@ -48,6 +50,11 @@ static inline const u32 *of_get_address(struct device_node *dev, int index,
> >  {
> >  	return NULL;
> >  }
> > +const __be32 *of_pci_process_ranges(struct device_node *node,
> 
> There should be a blank line to separate the above two lines.
> 

Thanks for the feedback.

I will send another patch for the typo and leave this patch with you for
working into your existing series.

Andrew Murray