Re: [PATCH v4 5/7] PCI: irqdomain: Look up IRQ domain by fwnode_handle

[Andy Shevchenko]

On Fri, Oct 30, 2015 at 1:46 AM,  <jakeo@xxxxxxxxxxxxx> wrote:
> From: Jake Oshins <jakeo@xxxxxxxxxxxxx>
>
> This patch adds a second way of finding an IRQ domain associated with
> a root PCI bus.  After looking to see if one can be found through
> the OF tree, it attempts to look up the IRQ domain through an
> fwnode_handle stored in the pci_sysdata struct.


> +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
> +       /*
> +        * If no IRQ domain was found via the OF tree, try looking it up
> +        * directly through the fwnode_handle.
> +        */
> +       if (!d) {
> +               if (pci_fwnode(bus)) {

Isn't it the same to
if (!d && pci_fwnode(bus))
 d = ...

?

> +                       d = irq_find_matching_fwnode(pci_fwnode(bus),
> +                                                    DOMAIN_BUS_PCI_MSI);
> +               }
> +       }
> +#endif


-- 
With Best Regards,
Andy Shevchenko
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