On Tue, Oct 06, 2015 at 06:03:58PM +0100, Marc Zyngier wrote:
> Now that we have a function that implements the complexity of the
> "msi-parent" property parsing, switch to that.
>
> Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
Acked-by: Bjorn Helgaas <bhelg...@google.com>
> ---
> drivers/pci/of.c | 13 ++++++-------
> 1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/pci/of.c b/drivers/pci/of.c
> index 2e99a50..e112da1 100644
> --- a/drivers/pci/of.c
> +++ b/drivers/pci/of.c
> @@ -13,6 +13,7 @@
> #include <linux/kernel.h>
> #include <linux/pci.h>
> #include <linux/of.h>
> +#include <linux/of_irq.h>
> #include <linux/of_pci.h>
> #include "pci.h"
>
> @@ -64,27 +65,25 @@ struct device_node * __weak
> pcibios_get_phb_of_node(struct pci_bus *bus)
> struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus)
> {
> #ifdef CONFIG_IRQ_DOMAIN
> - struct device_node *np;
> struct irq_domain *d;
>
> if (!bus->dev.of_node)
> return NULL;
>
> /* Start looking for a phandle to an MSI controller. */
> - np = of_parse_phandle(bus->dev.of_node, "msi-parent", 0);
> + d = of_msi_get_domain(&bus->dev, bus->dev.of_node, DOMAIN_BUS_PCI_MSI);
> + if (d)
> + return d;
>
> /*
> * If we don't have an msi-parent property, look for a domain
> * directly attached to the host bridge.
> */
> - if (!np)
> - np = bus->dev.of_node;
> -
> - d = irq_find_matching_host(np, DOMAIN_BUS_PCI_MSI);
> + d = irq_find_matching_host(bus->dev.of_node, DOMAIN_BUS_PCI_MSI);
> if (d)
> return d;
>
> - return irq_find_host(np);
> + return irq_find_host(bus->dev.of_node);
> #else
> return NULL;
> #endif
> --
> 2.1.4
>
> --
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