Message ID | 1444151043-31084-4-git-send-email-marc.zyngier@arm.com (mailing list archive) |
---|---|
State | New, archived |
Delegated to: | Bjorn Helgaas |
Headers | show |
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.zyngier@arm.com> Acked-by: Bjorn Helgaas <bhelgaas@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 > > -- > 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/ -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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
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.zyngier@arm.com> --- drivers/pci/of.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)