Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1259135

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

Show all headers | View raw

On Fri, Oct 30, 2015 at 1:46 AM,  <jakeo@microsoft.com> wrote:
> From: Jake Oshins <jakeo@microsoft.com>
>
> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH v4 0/7] PCI: hv: New paravirtual PCI front-end for Hyper-V VMs jakeo@microsoft.com - 2015-10-30 00:50 +0100
  [PATCH v4 5/7] PCI: irqdomain: Look up IRQ domain by fwnode_handle jakeo@microsoft.com - 2015-10-30 00:50 +0100
    Re: [PATCH v4 5/7] PCI: irqdomain: Look up IRQ domain by fwnode_handle Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-10-30 01:30 +0100
      RE: [PATCH v4 5/7] PCI: irqdomain: Look up IRQ domain by  fwnode_handle Jake Oshins <jakeo@microsoft.com> - 2015-10-30 17:20 +0100
  [PATCH v4 3/7] PCI: Make it possible to implement a PCI MSI IRQ Domain in a module. jakeo@microsoft.com - 2015-10-30 00:50 +0100
  [PATCH v4 2/7] drivers:hv: Export hv_do_hypercall() jakeo@microsoft.com - 2015-10-30 00:50 +0100

csiph-web