14 files changed, 20 insertions, 28 deletions

diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 355527c6b837..91f56691cfa1 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -246,7 +246,7 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
                          oirq.args_count, oirq.args[0], oirq.args[1],
                          of_node_full_name(oirq.np));
 
-                virq = irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+                virq = irq_create_of_mapping(&oirq);
         }
         if (!virq) {
                 pr_debug(" Failed to map !\n");
diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c
index 81ff0b5e6efa..aef60e75003e 100644
--- a/arch/mips/pci/fixup-lantiq.c
+++ b/arch/mips/pci/fixup-lantiq.c
@@ -33,7 +33,7 @@ int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
                         slot, pin);
                 return 0;
         }
-        irq = irq_create_of_mapping(dev_irq.np, dev_irq.args, dev_irq.args_count);
+        irq = irq_create_of_mapping(&dev_irq);
         dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq);
         return irq;
 }
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 03bca0d424af..2a404fe6975a 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -266,7 +266,7 @@ static int pci_read_irq_line(struct pci_dev *pci_dev)
                          oirq.args_count, oirq.args[0], oirq.args[1],
                          of_node_full_name(oirq.np));
 
-                virq = irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+                virq = irq_create_of_mapping(&oirq);
         }
         if(virq == NO_IRQ) {
                 pr_debug(" Failed to map !\n");
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index e8d34d1f640d..b3ea96db5b06 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -511,7 +511,7 @@ static __init int celleb_setup_pciex(struct device_node *node,
                 pr_err("PCIEXC:Failed to map irq\n");
                 goto error;
         }
-        virq = irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+        virq = irq_create_of_mapping(&oirq);
         if (request_irq(virq, pciex_handle_internal_irq,
                         0, "pciex", (void *)phb)) {
                 pr_err("PCIEXC:Failed to request irq\n");
diff --git a/arch/powerpc/platforms/cell/celleb_scc_sio.c b/arch/powerpc/platforms/cell/celleb_scc_sio.c
index 06046d512130..c8eb57193826 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_sio.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_sio.c
@@ -66,7 +66,7 @@ static int __init txx9_serial_init(void)
 #ifdef CONFIG_SERIAL_TXX9_CONSOLE
                         req.membase = ioremap(req.mapbase, 0x24);
 #endif
-                        req.irq = irq_create_of_mapping(irq.np, irq.args, irq.args_count);
+                        req.irq = irq_create_of_mapping(&irq);
                         req.flags |= UPF_IOREMAP | UPF_BUGGY_UART
                                 /*HAVE_CTS_LINE*/;
                         req.uartclk = 83300000;
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 6e842fdbfcab..d20680446174 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -236,11 +236,8 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic)
          * tree in case the device-tree is ever fixed
          */
         struct of_phandle_args oirq;
-        if (of_irq_parse_one(pic->host->of_node, 0, &oirq) == 0) {
-                virq = irq_create_of_mapping(oirq.np, oirq.args,
-                                             oirq.args_count);
-                return virq;
-        }
+        if (of_irq_parse_one(pic->host->of_node, 0, &oirq) == 0)
+                return irq_create_of_mapping(&oirq);
 
         /* Now do the horrible hacks */
         tmp = of_get_property(pic->host->of_node, "#interrupt-cells", NULL);
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index e9eb4f83b1d5..c3327f3d8cf7 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -190,8 +190,7 @@ static int __init spu_map_interrupts(struct spu *spu, struct device_node *np)
                 ret = -EINVAL;
                 pr_debug("  irq %d no 0x%x on %s\n", i, oirq.args[0],
                          oirq.np->full_name);
-                spu->irqs[i] = irq_create_of_mapping(oirq.np,
-                                        oirq.args, oirq.args_count);
+                spu->irqs[i] = irq_create_of_mapping(&oirq);
                 if (spu->irqs[i] == NO_IRQ) {
                         pr_debug("spu_new: failed to map it !\n");
                         goto err;
diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c
index 288226deffa3..8904046556ad 100644
--- a/arch/powerpc/platforms/fsl_uli1575.c
+++ b/arch/powerpc/platforms/fsl_uli1575.c
@@ -334,7 +334,7 @@ static void hpcd_final_uli5288(struct pci_dev *dev)
         laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(31, 0) << 8);
         laddr[1] = laddr[2] = 0;
         of_irq_parse_raw(hosenode, &pin, 1, laddr, &oirq);
-        dev->irq = irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+        dev->irq = irq_create_of_mapping(&oirq);
 }
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, hpcd_quirk_uli1575);
diff --git a/arch/powerpc/platforms/pseries/event_sources.c b/arch/powerpc/platforms/pseries/event_sources.c
index 6dcf9cc38ffb..18380e8f6dfe 100644
--- a/arch/powerpc/platforms/pseries/event_sources.c
+++ b/arch/powerpc/platforms/pseries/event_sources.c
@@ -59,8 +59,7 @@ void request_event_sources_irqs(struct device_node *np,
                      index++) {
                         if (count > 15)
                                 break;
-                        virqs[count] = irq_create_of_mapping(oirq.np, oirq.args,
-                                                            oirq.args_count);
+                        virqs[count] = irq_create_of_mapping(&oirq);
                         if (virqs[count] == NO_IRQ) {
                                 pr_err("event-sources: Unable to allocate "
                                        "interrupt number for %s\n",
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 125fd1e992ff..0171604becb5 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -121,7 +121,7 @@ static int x86_of_pci_irq_enable(struct pci_dev *dev)
         if (ret)
                 return ret;
 
-        virq = irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+        virq = irq_create_of_mapping(&oirq);
         if (virq == 0)
                 return -EINVAL;
         dev->irq = virq;
diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 6839bda3ce3c..231fd5560e0d 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -41,7 +41,7 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
         if (of_irq_parse_one(dev, index, &oirq))
                 return 0;
 
-        return irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+        return irq_create_of_mapping(&oirq);
 }
 EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
 
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 95ae2e6c0e9d..3636bda8db14 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -645,7 +645,7 @@ static int __init mvebu_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
         if (ret)
                 return ret;
 
-        return irq_create_of_mapping(oirq.np, oirq.args, oirq.args_count);
+        return irq_create_of_mapping(&oirq);
 }
 
 static struct pci_bus *mvebu_pcie_scan_bus(int nr, struct pci_sys_data *sys)
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index ed76e3d15dd9..b3626d360971 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -46,9 +46,7 @@ extern int of_irq_parse_raw(struct device_node *parent, const __be32 *intspec,
                           struct of_phandle_args *out_irq);
 extern int of_irq_parse_one(struct device_node *device, int index,
                           struct of_phandle_args *out_irq);
-extern unsigned int irq_create_of_mapping(struct device_node *controller,
-                                          const u32 *intspec,
-                                          unsigned int intsize);
+extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data);
 extern int of_irq_to_resource(struct device_node *dev, int index,
                               struct resource *r);
 extern int of_irq_count(struct device_node *dev);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 54a4d5223238..16d5dfb0e336 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -655,15 +655,14 @@ int irq_create_strict_mappings(struct irq_domain *domain, unsigned int irq_base,
 }
 EXPORT_SYMBOL_GPL(irq_create_strict_mappings);
 
-unsigned int irq_create_of_mapping(struct device_node *controller,
-                                   const u32 *intspec, unsigned int intsize)
+unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data)
 {
         struct irq_domain *domain;
         irq_hw_number_t hwirq;
         unsigned int type = IRQ_TYPE_NONE;
         unsigned int virq;
 
-        domain = controller ? irq_find_host(controller) : irq_default_domain;
+        domain = irq_data->np ? irq_find_host(irq_data->np) : irq_default_domain;
         if (!domain) {
 #ifdef CONFIG_MIPS
                 /*
@@ -678,16 +677,16 @@ unsigned int irq_create_of_mapping(struct device_node *controller,
                         return intspec[0];
 #endif
                 pr_warning("no irq domain found for %s !\n",
-                           of_node_full_name(controller));
+                           of_node_full_name(irq_data->np));
                 return 0;
         }
 
         /* If domain has no translation, then we assume interrupt line */
         if (domain->ops->xlate == NULL)
-                hwirq = intspec[0];
+                hwirq = irq_data->args[0];
         else {
-                if (domain->ops->xlate(domain, controller, intspec, intsize,
-                                     &hwirq, &type))
+                if (domain->ops->xlate(domain, irq_data->np, irq_data->args,
+                                        irq_data->args_count, &hwirq, &type))
                         return 0;
         }