diff options
80 files changed, 204 insertions, 200 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 0420b388dd83..e02cbc6a6c70 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -61,7 +61,7 @@ struct machdep_calls { void (*init_IRQ)(void); - /* Return an irq, or NO_IRQ to indicate there are none pending. */ + /* Return an irq, or 0 to indicate there are none pending. */ unsigned int (*get_irq)(void); /* PCI stuff */ diff --git a/arch/powerpc/include/asm/mpic_msgr.h b/arch/powerpc/include/asm/mpic_msgr.h index d4f471fb1031..088420d8aa59 100644 --- a/arch/powerpc/include/asm/mpic_msgr.h +++ b/arch/powerpc/include/asm/mpic_msgr.h @@ -122,9 +122,9 @@ static inline void mpic_msgr_set_destination(struct mpic_msgr *msgr, * @msgr: the message register whose IRQ is to be returned * * Returns the IRQ number associated with the given message register. - * NO_IRQ is returned if this message register is not capable of - * receiving interrupts. What message register can and cannot receive - * interrupts is specified in the device tree for the system. + * 0 is returned if this message register is not capable of receiving + * interrupts. What message register can and cannot receive interrupts is + * specified in the device tree for the system. */ static inline int mpic_msgr_get_irq(struct mpic_msgr *msgr) { diff --git a/arch/powerpc/include/asm/parport.h b/arch/powerpc/include/asm/parport.h index a452968b29ea..6595ad1d18cc 100644 --- a/arch/powerpc/include/asm/parport.h +++ b/arch/powerpc/include/asm/parport.h @@ -28,7 +28,7 @@ static int parport_pc_find_nonpci_ports (int autoirq, int autodma) io1 = prop[1]; io2 = prop[2]; virq = irq_of_parse_and_map(np, 0); - if (virq == NO_IRQ) + if (!virq) continue; if (parport_pc_probe_port(io1, io2, virq, autodma, NULL, 0) diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index c1ca9282f4a0..6ca9a2ffaac7 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -227,7 +227,7 @@ int ibmebus_request_irq(u32 ist, irq_handler_t handler, { unsigned int irq = irq_create_mapping(NULL, ist); - if (irq == NO_IRQ) + if (!irq) return -EINVAL; return request_irq(irq, handler, irq_flags, devname, dev_id); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 471f65ad1b9b..3c05c311e35e 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -519,7 +519,7 @@ void __do_irq(struct pt_regs *regs) may_hard_irq_enable(); /* And finally process it */ - if (unlikely(irq == NO_IRQ)) + if (unlikely(!irq)) __this_cpu_inc(irq_stat.spurious_irqs); else generic_handle_irq(irq); diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 7b750c4ed5c7..bc525ea0dc09 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -193,10 +193,10 @@ static int __init add_legacy_soc_port(struct device_node *np, */ if (tsi && !strcmp(tsi->type, "tsi-bridge")) return add_legacy_port(np, -1, UPIO_TSI, addr, addr, - NO_IRQ, legacy_port_flags, 0); + 0, legacy_port_flags, 0); else return add_legacy_port(np, -1, UPIO_MEM, addr, addr, - NO_IRQ, legacy_port_flags, 0); + 0, legacy_port_flags, 0); } static int __init add_legacy_isa_port(struct device_node *np, @@ -242,7 +242,7 @@ static int __init add_legacy_isa_port(struct device_node *np, /* Add port, irq will be dealt with later */ return add_legacy_port(np, index, UPIO_PORT, be32_to_cpu(reg[1]), - taddr, NO_IRQ, legacy_port_flags, 0); + taddr, 0, legacy_port_flags, 0); } @@ -314,7 +314,7 @@ static int __init add_legacy_pci_port(struct device_node *np, /* Add port, irq will be dealt with later. We passed a translated * IO port value. It will be fixed up later along with the irq */ - return add_legacy_port(np, index, iotype, base, addr, NO_IRQ, + return add_legacy_port(np, index, iotype, base, addr, 0, legacy_port_flags, np != pci_dev); } #endif @@ -462,14 +462,14 @@ static void __init fixup_port_irq(int index, DBG("fixup_port_irq(%d)\n", index); virq = irq_of_parse_and_map(np, 0); - if (virq == NO_IRQ && legacy_serial_infos[index].irq_check_parent) { + if (!virq && legacy_serial_infos[index].irq_check_parent) { np = of_get_parent(np); if (np == NULL) return; virq = irq_of_parse_and_map(np, 0); of_node_put(np); } - if (virq == NO_IRQ) + if (!virq) return; port->irq = virq; @@ -543,7 +543,7 @@ static int __init serial_dev_init(void) struct plat_serial8250_port *port = &legacy_serial_ports[i]; struct device_node *np = legacy_serial_infos[i].np; - if (port->irq == NO_IRQ) + if (!port->irq) fixup_port_irq(i, np, port); if (port->iotype == UPIO_PORT) fixup_port_pio(i, np, port); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index e58908066b0e..95d3769a2e26 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -360,7 +360,7 @@ static int pci_read_irq_line(struct pci_dev *pci_dev) line, pin); virq = irq_create_mapping(NULL, line); - if (virq != NO_IRQ) + if (virq) irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); } else { pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n", @@ -369,7 +369,8 @@ static int pci_read_irq_line(struct pci_dev *pci_dev) virq = irq_create_of_mapping(&oirq); } - if(virq == NO_IRQ) { + + if (!virq) { pr_debug(" Failed to map !\n"); return -1; } diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 526ac6750e4d..ea3d98115b88 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -178,7 +178,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, dev->hdr_type = PCI_HEADER_TYPE_NORMAL; dev->rom_base_reg = PCI_ROM_ADDRESS; /* Maybe do a default OF mapping here */ - dev->irq = NO_IRQ; + dev->irq = 0; } of_pci_parse_addrs(node, dev); diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 5ecce543103e..a886c2c22097 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -204,7 +204,7 @@ static void pika_setup_critical_temp(struct device_node *np, i2c_smbus_write_byte_data(client, 3, 0); /* Tlow */ irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { printk(KERN_ERR __FILE__ ": Unable to get ad7414 irq\n"); return; } diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index 0035d146df73..fe4d4eac7427 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -97,7 +97,7 @@ cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, status |= (ignore | mask); if (status == 0xff) - return NO_IRQ; + return 0; cpld_irq = ffz(status) + offset; @@ -110,14 +110,14 @@ static void cpld_pic_cascade(struct irq_desc *desc) irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, &cpld_regs->pci_mask); - if (irq != NO_IRQ) { + if (irq) { generic_handle_irq(irq); return; } irq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status, &cpld_regs->misc_mask); - if (irq != NO_IRQ) { + if (irq) { generic_handle_irq(irq); return; } @@ -177,7 +177,7 @@ mpc5121_ads_cpld_pic_init(void) goto end; cascade_irq = irq_of_parse_and_map(np, 0); - if (cascade_irq == NO_IRQ) + if (!cascade_irq) goto end; /* diff --git a/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c b/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c index d93dd4acf40b..cec3f88f153d 100644 --- a/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c +++ b/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c @@ -473,7 +473,7 @@ static int mpc512x_lpbfifo_probe(struct platform_device *pdev) } lpbfifo.irq = irq_of_parse_and_map(pdev->dev.of_node, 0); - if (lpbfifo.irq == NO_IRQ) { + if (!lpbfifo.irq) { dev_err(&pdev->dev, "mapping irq failed\n"); ret = -ENODEV; goto err0; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index 4fe2074c88cb..fc98912f42cf 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -511,7 +511,7 @@ unsigned int mpc52xx_get_irq(void) irq |= (MPC52xx_IRQ_L1_PERP << MPC52xx_IRQ_L1_OFFSET); } } else { - return NO_IRQ; + return 0; } return irq_linear_revmap(mpc52xx_irqhost, irq); diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index 60e89fc9c753..8b065bdf7412 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -131,7 +131,7 @@ int __init pq2ads_pci_init_irq(void) } irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { printk(KERN_ERR "No interrupt in pci pic node.\n"); of_node_put(np); goto out; diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 2ef03e7d248c..0d6a62fc5864 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -89,7 +89,7 @@ static int __init of_fsl_spi_probe(char *type, char *compatible, u32 sysclk, goto err; ret = of_irq_to_resource(np, 0, &res[1]); - if (ret == NO_IRQ) + if (!ret) goto err; pdev = platform_device_alloc("mpc83xx_spi", i); diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index fcbea4b51a78..24717d060008 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -352,7 +352,7 @@ static int pmc_probe(struct platform_device *ofdev) return -ENODEV; pmc_irq = irq_of_parse_and_map(np, 0); - if (pmc_irq != NO_IRQ) { + if (pmc_irq) { ret = request_irq(pmc_irq, pmc_irq_handler, IRQF_SHARED, "pmc", ofdev); @@ -400,7 +400,7 @@ out_syscr: out_pmc: iounmap(pmc_regs); out: - if (pmc_irq != NO_IRQ) + if (pmc_irq) free_irq(pmc_irq, ofdev); return ret; diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c index 28720a4ded7b..954e5e8b14ef 100644 --- a/arch/powerpc/platforms/85xx/common.c +++ b/arch/powerpc/platforms/85xx/common.c @@ -76,7 +76,7 @@ void __init mpc85xx_cpm2_pic_init(void) return; } irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { of_node_put(np); printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n"); return; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 62f171c71c4c..86f20156178e 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -196,7 +196,7 @@ static void mpc85xx_8259_cascade_handler(struct irq_desc *desc) { unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) /* handle an interrupt from the 8259 */ generic_handle_irq(cascade_irq); @@ -247,7 +247,7 @@ static int mpc85xx_cds_8259_attach(void) } cascade_irq = irq_of_parse_and_map(cascade_node, 0); - if (cascade_irq == NO_IRQ) { + if (!cascade_irq) { printk(KERN_ERR "Failed to map cascade interrupt\n"); return -ENXIO; } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 6bc07d837b1c..ed69c7ee1829 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -51,7 +51,7 @@ static void mpc85xx_8259_cascade(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) { + if (cascade_irq) { generic_handle_irq(cascade_irq); } chip->irq_eoi(&desc->irq_data); @@ -96,7 +96,7 @@ void __init mpc85xx_ds_pic_init(void) } cascade_irq = irq_of_parse_and_map(cascade_node, 0); - if (cascade_irq == NO_IRQ) { + if (!cascade_irq) { printk(KERN_ERR "Failed to map cascade interrupt\n"); return; } diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c index b02d6a5bb035..82f8490b5aa7 100644 --- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c +++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c @@ -78,7 +78,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq) break; } if (i == 3) - return NO_IRQ; + return 0; raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags); cause = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(i)); @@ -103,7 +103,7 @@ static void socrates_fpga_pic_cascade(struct irq_desc *desc) */ cascade_irq = socrates_fpga_pic_get_irq(irq); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); } @@ -292,7 +292,7 @@ void socrates_fpga_pic_init(struct device_node *pic) for (i = 0; i < 3; i++) { socrates_fpga_irqs[i] = irq_of_parse_and_map(pic, i); - if (socrates_fpga_irqs[i] == NO_IRQ) { + if (!socrates_fpga_irqs[i]) { pr_warning("FPGA PIC: can't get irq%d.\n", i); continue; } diff --git a/arch/powerpc/platforms/86xx/pic.c b/arch/powerpc/platforms/86xx/pic.c index 845defa1fd19..a6c695fa4da0 100644 --- a/arch/powerpc/platforms/86xx/pic.c +++ b/arch/powerpc/platforms/86xx/pic.c @@ -22,7 +22,7 @@ static void mpc86xx_8259_cascade(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); @@ -58,7 +58,7 @@ void __init mpc86xx_init_irq(void) } cascade_irq = irq_of_parse_and_map(cascade_node, 0); - if (cascade_irq == NO_IRQ) { + if (!cascade_irq) { printk(KERN_ERR "Failed to map cascade interrupt\n"); return; } diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index b1ab6e96cb31..f81069f79a94 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -241,6 +241,6 @@ void __init mpc8xx_pics_init(void) } irq = cpm_pic_init(); - if (irq != NO_IRQ) + if (irq) irq_set_chained_handler(irq, cpm_cascade); } diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index aed7714495c1..8b55c5f19d4c 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -271,7 +271,7 @@ static int axon_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) for_each_pci_msi_entry(entry, dev) { virq = irq_create_direct_mapping(msic->irq_domain); - if (virq == NO_IRQ) { + if (!virq) { dev_warn(&dev->dev, "axon_msi: virq allocation failed!\n"); return -1; @@ -293,7 +293,7 @@ static void axon_msi_teardown_msi_irqs(struct pci_dev *dev) dev_dbg(&dev->dev, "axon_msi: tearing down msi irqs\n"); for_each_pci_msi_entry(entry, dev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; irq_set_msi_desc(entry->irq, NULL); @@ -375,7 +375,7 @@ static int axon_msi_probe(struct platform_device *device) } virq = irq_of_parse_and_map(dn, 0); - if (virq == NO_IRQ) { + if (!virq) { printk(KERN_ERR "axon_msi: irq parse and map failed for %s\n", dn->full_name); goto out_free_fifo; diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 4d16b368b6f5..a6bbbaba14a3 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -123,7 +123,7 @@ static void iic_ioexc_cascade(struct irq_desc *desc) unsigned int cirq = irq_linear_revmap(iic_host, base | cascade); - if (cirq != NO_IRQ) + if (cirq) generic_handle_irq(cirq); } /* post-ack level interrupts */ @@ -153,10 +153,10 @@ static unsigned int iic_get_irq(void) *(unsigned long *) &pending = in_be64((u64 __iomem *) &iic->regs->pending_destr); if (!(pending.flags & CBE_IIC_IRQ_VALID)) - return NO_IRQ; + return 0; virq = irq_linear_revmap(iic_host, iic_pending_to_hwnum(pending)); - if (virq == NO_IRQ) - return NO_IRQ; + if (!virq) + return 0; iic->eoi_stack[++iic->eoi_ptr] = pending.prio; BUG_ON(iic->eoi_ptr > 15); return virq; @@ -192,7 +192,7 @@ static void iic_request_ipi(int msg) int virq; virq = irq_create_mapping(iic_host, iic_msg_to_irq(msg)); - if (virq == NO_IRQ) { + if (!virq) { printk(KERN_ERR "iic: failed to map IPI %s\n", smp_ipi_name[msg]); return; @@ -347,7 +347,7 @@ static int __init setup_iic(void) cascade |= 1 << IIC_IRQ_CLASS_SHIFT; cascade |= IIC_UNIT_IIC; cascade = irq_create_mapping(iic_host, cascade); - if (cascade == NO_IRQ) + if (!cascade) continue; /* * irq_data is a generic pointer that gets passed back diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 640772af9bcb..7ff51f96a00e 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -411,7 +411,7 @@ static void cell_iommu_enable_hardware(struct cbe_iommu *iommu) virq = irq_create_mapping(NULL, IIC_IRQ_IOEX_ATI | (iommu->nid << IIC_IRQ_NODE_SHIFT)); - BUG_ON(virq == NO_IRQ); + BUG_ON(!virq); ret = request_irq(virq, ioc_interrupt, 0, iommu->name, iommu); BUG_ON(ret); diff --git a/arch/powerpc/platforms/cell/pmu.c b/arch/powerpc/platforms/cell/pmu.c index 348a27b12512..e3ad0c38f017 100644 --- a/arch/powerpc/platforms/cell/pmu.c +++ b/arch/powerpc/platforms/cell/pmu.c @@ -385,7 +385,7 @@ static int __init cbe_init_pm_irq(void) for_each_online_node(node) { irq = irq_create_mapping(NULL, IIC_IRQ_IOEX_PMI | (node << IIC_IRQ_NODE_SHIFT)); - if (irq == NO_IRQ) { + if (!irq) { printk("ERROR: Unable to allocate irq for node %d\n", node); return -EINVAL; @@ -412,7 +412,7 @@ void cbe_sync_irq(int node) IIC_IRQ_IOEX_PMI | (node << IIC_IRQ_NODE_SHIFT)); - if (irq == NO_IRQ) { + if (!irq) { printk(KERN_WARNING "ERROR, unable to get existing irq %d " \ "for node %d\n", irq, node); return; diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index d06dcac66fcb..ff924af00e78 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -207,11 +207,11 @@ static void spider_irq_cascade(struct irq_desc *desc) cs = in_be32(pic->regs + TIR_CS) >> 24; if (cs == SPIDER_IRQ_INVALID) - virq = NO_IRQ; + virq = 0; else virq = irq_linear_revmap(pic->host, cs); - if (virq != NO_IRQ) + if (virq) generic_handle_irq(virq); chip->irq_eoi(&desc->irq_data); @@ -245,19 +245,19 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic) /* Now do the horrible hacks */ tmp = of_get_property(of_node, "#interrupt-cells", NULL); if (tmp == NULL) - return NO_IRQ; + return 0; intsize = *tmp; imap = of_get_property(of_node, "interrupt-map", &imaplen); if (imap == NULL || imaplen < (intsize + 1)) - return NO_IRQ; + return 0; iic = of_find_node_by_phandle(imap[intsize]); if (iic == NULL) - return NO_IRQ; + return 0; imap += intsize + 1; tmp = of_get_property(iic, "#interrupt-cells", NULL); if (tmp == NULL) { of_node_put(iic); - return NO_IRQ; + return 0; } intsize = *tmp; /* Assume unit is last entry of interrupt specifier */ @@ -266,7 +266,7 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic) tmp = of_get_property(iic, "ibm,interrupt-server-ranges", NULL); if (tmp == NULL) { of_node_put(iic); - return NO_IRQ; + return 0; } /* ugly as hell but works for now */ pic->node_id = (*tmp) >> 1; @@ -281,7 +281,7 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic) (pic->node_id << IIC_IRQ_NODE_SHIFT) | (2 << IIC_IRQ_CLASS_SHIFT) | unit); - if (virq == NO_IRQ) + if (!virq) printk(KERN_ERR "spider_pic: failed to map cascade !"); return virq; } @@ -318,7 +318,7 @@ static void __init spider_init_one(struct device_node *of_node, int chip, /* Hook up the cascade interrupt to the iic and nodeid */ virq = spider_find_cascade_and_node(pic); - if (virq == NO_IRQ) + if (!virq) return; irq_set_handler_data(virq, pic); irq_set_chained_handler(virq, spider_irq_cascade); diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index bb4a8e07c229..e84d8fbc2e21 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -402,7 +402,7 @@ static int spu_request_irqs(struct spu *spu) { int ret = 0; - if (spu->irqs[0] != NO_IRQ) { + if (spu->irqs[0]) { snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number); ret = request_irq(spu->irqs[0], spu_irq_class_0, @@ -410,7 +410,7 @@ static int spu_request_irqs(struct spu *spu) if (ret) goto bail0; } - if (spu->irqs[1] != NO_IRQ) { + if (spu->irqs[1]) { snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number); ret = request_irq(spu->irqs[1], spu_irq_class_1, @@ -418,7 +418,7 @@ static int spu_request_irqs(struct spu *spu) if (ret) goto bail1; } - if (spu->irqs[2] != NO_IRQ) { + if (spu->irqs[2]) { snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number); ret = request_irq(spu->irqs[2], spu_irq_class_2, @@ -429,10 +429,10 @@ static int spu_request_irqs(struct spu *spu) return 0; bail2: - if (spu->irqs[1] != NO_IRQ) + if (spu->irqs[1]) free_irq(spu->irqs[1], spu); bail1: - if (spu->irqs[0] != NO_IRQ) + if (spu->irqs[0]) free_irq(spu->irqs[0], spu); bail0: return ret; @@ -440,11 +440,11 @@ bail0: static void spu_free_irqs(struct spu *spu) { - if (spu->irqs[0] != NO_IRQ) + if (spu->irqs[0]) free_irq(spu->irqs[0], spu); - if (spu->irqs[1] != NO_IRQ) + if (spu->irqs[1]) free_irq(spu->irqs[1], spu); - if (spu->irqs[2] != NO_IRQ) + if (spu->irqs[2]) free_irq(spu->irqs[2], spu); } diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index 21b4bfb97200..672d310dcf14 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -105,7 +105,10 @@ static int __init spu_map_interrupts_old(struct spu *spu, spu->irqs[2] = irq_create_mapping(NULL, IIC_IRQ_CLASS_2 | isrc); /* Right now, we only fail if class 2 failed */ - return spu->irqs[2] == NO_IRQ ? -EINVAL : 0; + if (!spu->irqs[2]) + return -EINVAL; + + return 0; } static void __iomem * __init spu_map_prop_old(struct spu *spu, @@ -191,7 +194,7 @@ static int __init spu_map_interrupts(struct spu *spu, struct device_node *np) 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); - if (spu->irqs[i] == NO_IRQ) { + if (!spu->irqs[i]) { pr_debug("spu_new: failed to map it !\n"); goto err; } @@ -202,7 +205,7 @@ err: pr_debug("failed to map irq %x for spu %s\n", *oirq.args, spu->name); for (; i >= 0; i--) { - if (spu->irqs[i] != NO_IRQ) + if (spu->irqs[i]) irq_dispose_mapping(spu->irqs[i]); } return ret; diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index bfb300633dfe..0ce1b45f02a8 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -368,7 +368,7 @@ static void chrp_8259_cascade(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); @@ -514,7 +514,7 @@ static void __init chrp_find_8259(void) } if (chrp_mpic != NULL) { cascade_irq = irq_of_parse_and_map(pic, 0); - if (cascade_irq == NO_IRQ) + if (!cascade_irq) printk(KERN_ERR "i8259: failed to map cascade irq\n"); else irq_set_chained_handler(cascade_irq, diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c index b7866e01483d..ade83829d5e8 100644 --- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c @@ -181,7 +181,7 @@ unsigned int flipper_pic_get_irq(void) irq_status = in_be32(io_base + FLIPPER_ICR) & in_be32(io_base + FLIPPER_IMR); if (irq_status == 0) - return NO_IRQ; /* no more IRQs pending */ + return 0; /* no more IRQs pending */ irq = __ffs(irq_status); return irq_linear_revmap(flipper_irq_host, irq); diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index 9b7975706bfc..89c54de88b7a 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -114,7 +114,7 @@ static unsigned int __hlwd_pic_get_irq(struct irq_domain *h) irq_status = in_be32(io_base + HW_BROADWAY_ICR) & in_be32(io_base + HW_BROADWAY_IMR); if (irq_status == 0) - return NO_IRQ; /* no more IRQs pending */ + return 0; /* no more IRQs pending */ irq = __ffs(irq_status); return irq_linear_revmap(h, irq); @@ -131,7 +131,7 @@ static void hlwd_pic_irq_cascade(struct irq_desc *desc) raw_spin_unlock(&desc->lock); virq = __hlwd_pic_get_irq(irq_domain); - if (virq != NO_IRQ) + if (virq) generic_handle_irq(virq); else pr_err("spurious interrupt!\n"); diff --git a/arch/powerpc/platforms/embedded6xx/mvme5100.c b/arch/powerpc/platforms/embedded6xx/mvme5100.c index ed7321d6772e..8e3590941960 100644 --- a/arch/powerpc/platforms/embedded6xx/mvme5100.c +++ b/arch/powerpc/platforms/embedded6xx/mvme5100.c @@ -47,7 +47,7 @@ static void mvme5100_8259_cascade(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); @@ -84,7 +84,7 @@ static void __init mvme5100_pic_init(void) } cirq = irq_of_parse_and_map(cp, 0); - if (cirq == NO_IRQ) { + if (!cirq) { pr_warn("mvme5100_pic_init: no cascade interrupt?\n"); return; } diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index a2f89e6326ce..a0589aac4163 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -552,7 +552,7 @@ void maple_pci_irq_fixup(struct pci_dev *dev) pci_bus_to_host(dev->bus) == u4_pcie) { printk(KERN_DEBUG "Fixup U4 PCIe IRQ\n"); dev->irq = irq_create_mapping(NULL, 1); - if (dev->irq != NO_IRQ) + if (dev->irq) irq_set_irq_type(dev->irq, IRQ_TYPE_LEVEL_LOW); } @@ -562,7 +562,7 @@ void maple_pci_irq_fixup(struct pci_dev *dev) if (dev->vendor == PCI_VENDOR_ID_AMD && dev->device == PCI_DEVICE_ID_AMD_8111_IDE && (dev->class & 5) != 5) { - dev->irq = NO_IRQ; + dev->irq = 0; } DBG(" <- maple_pci_irq_fixup\n"); @@ -648,7 +648,7 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel) return defirq; } irq = irq_of_parse_and_map(np, channel & 0x1); - if (irq == NO_IRQ) { + if (!irq) { printk("Failed to map onboard IDE interrupt for channel %d\n", channel); return defirq; diff --git a/arch/powerpc/platforms/pasemi/misc.c b/arch/powerpc/platforms/pasemi/misc.c index e0ab299763c1..8571e7bf78b6 100644 --- a/arch/powerpc/platforms/pasemi/misc.c +++ b/arch/powerpc/platforms/pasemi/misc.c @@ -76,7 +76,7 @@ static int __init pasemi_register_i2c_devices(void) } info.irq = irq_of_parse_and_map(node, 0); - if (info.irq == NO_IRQ) + if (!info.irq) info.irq = -1; if (find_i2c_driver(node, &info) < 0) diff --git a/arch/powerpc/platforms/pasemi/msi.c b/arch/powerpc/platforms/pasemi/msi.c index d9af76342d99..d9cd510c8865 100644 --- a/arch/powerpc/platforms/pasemi/msi.c +++ b/arch/powerpc/platforms/pasemi/msi.c @@ -68,7 +68,7 @@ static void pasemi_msi_teardown_msi_irqs(struct pci_dev *pdev) pr_debug("pasemi_msi_teardown_msi_irqs, pdev %p\n", pdev); for_each_pci_msi_entry(entry, pdev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; hwirq = virq_to_hw(entry->irq); @@ -109,7 +109,7 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) } virq = irq_create_mapping(msi_mpic->irqhost, hwirq); - if (virq == NO_IRQ) { + if (!virq) { pr_debug("pasemi_msi: failed mapping hwirq 0x%x\n", hwirq); msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap, hwirq, diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index 1d0c3a621a38..3182400cf48f 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -59,7 +59,7 @@ struct mce_regs { static struct mce_regs mce_regs[MAX_MCE_REGS]; static int num_mce_regs; -static int nmi_virq = NO_IRQ; +static int nmi_virq = 0; static void __noreturn pas_restart(char *cmd) @@ -264,7 +264,7 @@ static int pas_machine_check_handler(struct pt_regs *regs) srr0 = regs->nip; srr1 = regs->msr; - if (nmi_virq != NO_IRQ && mpic_get_mcirq() == nmi_virq) { + if (nmi_virq && mpic_get_mcirq() == nmi_virq) { printk(KERN_ERR "NMI delivered\n"); debugger(regs); mpic_end_irq(irq_get_irq_data(nmi_virq)); diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 6d6f277477aa..c8c217b7dd33 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -401,7 +401,7 @@ static int kw_i2c_xfer(struct pmac_i2c_bus *bus, u8 addrdir, int subsize, { struct pmac_i2c_host_kw *host = bus->hostdata; u8 mode_reg = host->speed; - int use_irq = host->irq != NO_IRQ && !bus->polled; + int use_irq = host->irq && !bus->polled; /* Setup mode & subaddress if any */ switch(bus->mode) { @@ -535,7 +535,7 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np) break; } host->irq = irq_of_parse_and_map(np, 0); - if (host->irq == NO_IRQ) + if (!host->irq) printk(KERN_WARNING "low_i2c: Failed to map interrupt for %s\n", np->full_name); @@ -557,7 +557,7 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np) */ if (request_irq(host->irq, kw_i2c_irq, IRQF_NO_SUSPEND, "keywest i2c", host)) - host->irq = NO_IRQ; + host->irq = 0; printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n", *addrp, host->irq, np->full_name); diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c index e49d07f3d542..459138ed4571 100644 --- a/arch/powerpc/platforms/powermac/pfunc_base.c +++ b/arch/powerpc/platforms/powermac/pfunc_base.c @@ -26,7 +26,7 @@ static irqreturn_t macio_gpio_irq(int irq, void *data) static int macio_do_gpio_irq_enable(struct pmf_function *func) { unsigned int irq = irq_of_parse_and_map(func->node, 0); - if (irq == NO_IRQ) + if (!irq) return -EINVAL; return request_irq(irq, macio_gpio_irq, 0, func->node->name, func); } @@ -34,7 +34,7 @@ static int macio_do_gpio_irq_enable(struct pmf_function *func) static int macio_do_gpio_irq_disable(struct pmf_function *func) { unsigned int irq = irq_of_parse_and_map(func->node, 0); - if (irq == NO_IRQ) + if (!irq) return -EINVAL; free_irq(irq, func); return 0; diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 981546345033..f5f9ad7c3398 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -251,7 +251,7 @@ static unsigned int pmac_pic_get_irq(void) } raw_spin_unlock_irqrestore(&pmac_pic_lock, flags); if (unlikely(irq < 0)) - return NO_IRQ; + return 0; return irq_linear_revmap(pmac_pic_host, irq); } @@ -389,7 +389,7 @@ static void __init pmac_pic_probe_oldstyle(void) out_le32(&pmac_irq_hw[i]->enable, 0); /* Hookup cascade irq */ - if (slave && pmac_irq_cascade != NO_IRQ) + if (slave && pmac_irq_cascade) setup_irq(pmac_irq_cascade, &gatwick_cascade_action); printk(KERN_INFO "irq: System has %d possible interrupts\n", max_irqs); @@ -444,7 +444,7 @@ static void __init pmac_pic_setup_mpic_nmi(struct mpic *mpic) pswitch = of_find_node_by_name(NULL, "programmer-switch"); if (pswitch) { nmi_irq = irq_of_parse_and_map(pswitch, 0); - if (nmi_irq != NO_IRQ) { + if (nmi_irq) { mpic_irq_set_priority(nmi_irq, 9); setup_irq(nmi_irq, &xmon_action); } diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index ed8bba68a162..998316bf2dad 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -222,7 +222,7 @@ int __init opal_event_init(void) /* Get hardware and virtual IRQ */ irq = be32_to_cpup(irqs); virq = irq_create_mapping(NULL, irq); - if (virq == NO_IRQ) { + if (!virq) { pr_warn("Failed to map irq 0x%x\n", irq); continue; } @@ -260,7 +260,7 @@ machine_arch_initcall(powernv, opal_event_init); int opal_event_request(unsigned int opal_event_nr) { if (WARN_ON_ONCE(!opal_event_irqchip.domain)) - return NO_IRQ; + return 0; return irq_create_mapping(opal_event_irqchip.domain, opal_event_nr); } diff --git a/arch/powerpc/platforms/powernv/pci-cxl.c b/arch/powerpc/platforms/powernv/pci-cxl.c index 1349a099c74c..94498a04558b 100644 --- a/arch/powerpc/platforms/powernv/pci-cxl.c +++ b/arch/powerpc/platforms/powernv/pci-cxl.c @@ -344,7 +344,7 @@ int pnv_cxl_cx4_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) return (hwirq ? hwirq : -ENOMEM); virq = irq_create_mapping(NULL, hwirq); - if (virq == NO_IRQ) { + if (!virq) { pr_warn("%s: Failed to map cxl mode MSI to linux irq\n", pci_name(pdev)); return -ENOMEM; @@ -374,7 +374,7 @@ void pnv_cxl_cx4_teardown_msi_irqs(struct pci_dev *pdev) return; for_each_pci_msi_entry(entry, pdev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; hwirq = virq_to_hw(entry->irq); irq_set_msi_desc(entry->irq, NULL); diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index a21d831c1114..d6a4a61ede3d 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -186,7 +186,7 @@ int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) return -ENOSPC; } virq = irq_create_mapping(NULL, phb->msi_base + hwirq); - if (virq == NO_IRQ) { + if (!virq) { pr_warn("%s: Failed to map MSI to linux irq\n", pci_name(pdev)); msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq, 1); @@ -217,7 +217,7 @@ void pnv_teardown_msi_irqs(struct pci_dev *pdev) return; for_each_pci_msi_entry(entry, pdev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; hwirq = virq_to_hw(entry->irq); irq_set_msi_desc(entry->irq, NULL); diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index b831638e6f4a..98f8c3611133 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -192,7 +192,7 @@ static int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, *virq = irq_create_mapping(NULL, outlet); - if (*virq == NO_IRQ) { + if (!*virq) { FAIL("%s:%d: irq_create_mapping failed: outlet %lu\n", __func__, __LINE__, outlet); result = -ENOMEM; @@ -339,7 +339,7 @@ int ps3_event_receive_port_setup(enum ps3_cpu_binding cpu, unsigned int *virq) if (result) { FAIL("%s:%d: lv1_construct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); - *virq = NO_IRQ; + *virq = 0; return result; } @@ -418,7 +418,7 @@ int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev, " failed: %s\n", __func__, __LINE__, ps3_result(result)); ps3_event_receive_port_destroy(*virq); - *virq = NO_IRQ; + *virq = 0; return result; } @@ -724,12 +724,12 @@ static unsigned int ps3_get_irq(void) asm volatile("cntlzd %0,%1" : "=r" (plug) : "r" (x)); plug &= 0x3f; - if (unlikely(plug == NO_IRQ)) { + if (unlikely(!plug)) { DBG("%s:%d: no plug found: thread_id %llu\n", __func__, __LINE__, pd->thread_id); dump_bmp(&per_cpu(ps3_private, 0)); dump_bmp(&per_cpu(ps3_private, 1)); - return NO_IRQ; + return 0; } #if defined(DEBUG) diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 3c7707af3384..60154d08debf 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -91,7 +91,7 @@ static void __init ps3_smp_probe(void) result = smp_request_message_ipi(virqs[i], i); if (result) - virqs[i] = NO_IRQ; + virqs[i] = 0; else ps3_register_ipi_irq(cpu, virqs[i]); } @@ -112,7 +112,7 @@ void ps3_smp_cleanup_cpu(int cpu) for (i = 0; i < MSG_COUNT; i++) { /* Can't call free_irq from interrupt context. */ ps3_event_receive_port_destroy(virqs[i]); - virqs[i] = NO_IRQ; + virqs[i] = 0; } DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu); diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index 492b2575e0d2..b54850845466 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -284,7 +284,7 @@ fail_alloc_2: fail_alloc_1: ps3_spe_irq_destroy(spu->irqs[0]); fail_alloc_0: - spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; + spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = 0; return result; } @@ -334,7 +334,7 @@ static int ps3_destroy_spu(struct spu *spu) ps3_spe_irq_destroy(spu->irqs[1]); ps3_spe_irq_destroy(spu->irqs[0]); - spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = NO_IRQ; + spu->irqs[0] = spu->irqs[1] = spu->irqs[2] = 0; spu_unmap(spu); diff --git a/arch/powerpc/platforms/pseries/event_sources.c b/arch/powerpc/platforms/pseries/event_sources.c index a6ddca833119..32187dc76730 100644 --- a/arch/powerpc/platforms/pseries/event_sources.c +++ b/arch/powerpc/platforms/pseries/event_sources.c @@ -34,7 +34,7 @@ void request_event_sources_irqs(struct device_node *np, if (count > 15) break; virqs[count] = irq_create_of_mapping(&oirq); - if (virqs[count] == NO_IRQ) { + if (!virqs[count]) { pr_err("event-sources: Unable to allocate " "interrupt number for %s\n", np->full_name); diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 543a6386f3eb..326ef0dd6038 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -119,7 +119,7 @@ static void rtas_teardown_msi_irqs(struct pci_dev *pdev) struct msi_desc *entry; for_each_pci_msi_entry(entry, pdev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; irq_set_msi_desc(entry->irq, NULL); @@ -471,7 +471,7 @@ again: virq = irq_create_mapping(NULL, hwirq); - if (virq == NO_IRQ) { + if (!virq) { pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq); return -ENOSPC; } @@ -490,7 +490,7 @@ again: static void rtas_msi_pci_irq_fixup(struct pci_dev *pdev) { /* No LSI -> leave MSIs (if any) configured */ - if (pdev->irq == NO_IRQ) { + if (!pdev->irq) { dev_dbg(&pdev->dev, "rtas_msi: no LSI, nothing to do.\n"); return; } diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 4ffcaa6f8670..776900043e2a 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -114,7 +114,7 @@ static void pseries_8259_cascade(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); @@ -141,7 +141,7 @@ static void __init pseries_setup_i8259_cascade(void) } cascade = irq_of_parse_and_map(found, 0); - if (cascade == NO_IRQ) { + if (!cascade) { printk(KERN_ERR "pic: failed to map cascade interrupt"); return; } diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 9144204442eb..ada29eaed6e2 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -240,7 +240,7 @@ static int axon_ram_probe(struct platform_device *device) device_add_disk(&device->dev, bank->disk); bank->irq_id = irq_of_parse_and_map(device->dev.of_node, 0); - if (bank->irq_id == NO_IRQ) { + if (!bank->irq_id) { dev_err(&device->dev, "Cannot access ECC interrupt ID\n"); rc = -EFAULT; goto failed; @@ -250,7 +250,7 @@ static int axon_ram_probe(struct platform_device *device) AXON_RAM_IRQ_FLAGS, bank->disk->disk_name, device); if (rc != 0) { dev_err(&device->dev, "Cannot register ECC interrupt handler\n"); - bank->irq_id = NO_IRQ; + bank->irq_id = 0; rc = -EFAULT; goto failed; } @@ -268,7 +268,7 @@ static int axon_ram_probe(struct platform_device *device) failed: if (bank != NULL) { - if (bank->irq_id != NO_IRQ) + if (bank->irq_id) free_irq(bank->irq_id, device); if (bank->disk != NULL) { if (bank->disk->major > 0) diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index 81d49476c47e..3c0eb9b25535 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -132,7 +132,7 @@ unsigned int cpm_pic_init(void) { struct device_node *np = NULL; struct resource res; - unsigned int sirq = NO_IRQ, hwirq, eirq; + unsigned int sirq = 0, hwirq, eirq; int ret; pr_debug("cpm_pic_init\n"); @@ -154,7 +154,7 @@ unsigned int cpm_pic_init(void) goto end; sirq = irq_of_parse_and_map(np, 0); - if (sirq == NO_IRQ) + if (!sirq) goto end; /* Initialize the CPM interrupt controller. */ @@ -168,7 +168,7 @@ unsigned int cpm_pic_init(void) cpm_pic_host = irq_domain_add_linear(np, 64, &cpm_pic_host_ops, NULL); if (cpm_pic_host == NULL) { printk(KERN_ERR "CPM2 PIC: failed to allocate irq host!\n"); - sirq = NO_IRQ; + sirq = 0; goto end; } @@ -182,7 +182,7 @@ unsigned int cpm_pic_init(void) } eirq = irq_of_parse_and_map(np, 0); - if (eirq == NO_IRQ) + if (!eirq) goto end; if (setup_irq(eirq, &cpm_error_irqaction)) diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c index bffcc7a486a1..48866e6c1efb 100644 --- a/arch/powerpc/sysdev/ehv_pic.c +++ b/arch/powerpc/sysdev/ehv_pic.c @@ -155,7 +155,7 @@ static struct irq_chip ehv_pic_direct_eoi_irq_chip = { .irq_set_type = ehv_pic_set_irq_type, }; -/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */ +/* Return an interrupt vector or 0 if no interrupt is pending. */ unsigned int ehv_pic_get_irq(void) { int irq; @@ -168,7 +168,7 @@ unsigned int ehv_pic_get_irq(void) ev_int_iack(0, &irq); /* legacy mode */ if (irq == 0xFFFF) /* 0xFFFF --> no irq is pending */ - return NO_IRQ; + return 0; /* * this will also setup revmap[] in the slow path for the first diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c index 06ac3c61b3d0..a6f0b96ce2c9 100644 --- a/arch/powerpc/sysdev/fsl_gtm.c +++ b/arch/powerpc/sysdev/fsl_gtm.c @@ -406,7 +406,7 @@ static int __init fsl_gtm_init(void) unsigned int irq; irq = irq_of_parse_and_map(np, i); - if (irq == NO_IRQ) { + if (!irq) { pr_err("%s: not enough interrupts specified\n", np->full_name); goto err; diff --git a/arch/powerpc/sysdev/fsl_mpic_err.c b/arch/powerpc/sysdev/fsl_mpic_err.c index b83f32562a37..488ec453038a 100644 --- a/arch/powerpc/sysdev/fsl_mpic_err.c +++ b/arch/powerpc/sysdev/fsl_mpic_err.c @@ -115,8 +115,8 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) errint = __builtin_clz(eisr); cascade_irq = irq_linear_revmap(mpic->irqhost, mpic->err_int_vecs[errint]); - WARN_ON(cascade_irq == NO_IRQ); - if (cascade_irq != NO_IRQ) { + WARN_ON(!cascade_irq); + if (cascade_irq) { generic_handle_irq(cascade_irq); } else { eimr |= 1 << (31 - errint); @@ -134,7 +134,7 @@ void mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum) int ret; virq = irq_create_mapping(mpic->irqhost, irqnum); - if (virq == NO_IRQ) { + if (!virq) { pr_err("Error interrupt setup failed\n"); return; } diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 3a2be3676f43..8a244828782e 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -131,7 +131,7 @@ static void fsl_teardown_msi_irqs(struct pci_dev *pdev) irq_hw_number_t hwirq; for_each_pci_msi_entry(entry, pdev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; hwirq = virq_to_hw(entry->irq); msi_data = irq_get_chip_data(entry->irq); @@ -250,7 +250,7 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) virq = irq_create_mapping(msi_data->irqhost, hwirq); - if (virq == NO_IRQ) { + if (!virq) { dev_err(&pdev->dev, "fail mapping hwirq %i\n", hwirq); msi_bitmap_free_hwirqs(&msi_data->bitmap, hwirq, 1); rc = -ENOSPC; @@ -285,7 +285,7 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data) msir_index = cascade_data->index; if (msir_index >= NR_MSI_REG_MAX) - cascade_irq = NO_IRQ; + cascade_irq = 0; switch (msi_data->feature & FSL_PIC_IP_MASK) { case FSL_PIC_IP_MPIC: @@ -315,7 +315,7 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data) cascade_irq = irq_linear_revmap(msi_data->irqhost, msi_hwirq(msi_data, msir_index, intr_index + have_shift)); - if (cascade_irq != NO_IRQ) { + if (cascade_irq) { generic_handle_irq(cascade_irq); ret = IRQ_HANDLED; } @@ -337,7 +337,7 @@ static int fsl_of_msi_remove(struct platform_device *ofdev) if (msi->cascade_array[i]) { virq = msi->cascade_array[i]->virq; - BUG_ON(virq == NO_IRQ); + BUG_ON(!virq); free_irq(virq, msi->cascade_array[i]); kfree(msi->cascade_array[i]); @@ -362,7 +362,7 @@ static int fsl_msi_setup_hwirq(struct fsl_msi *msi, struct platform_device *dev, int virt_msir, i, ret; virt_msir = irq_of_parse_and_map(dev->dev.of_node, irq_index); - if (virt_msir == NO_IRQ) { + if (!virt_msir) { dev_err(&dev->dev, "%s: Cannot translate IRQ index %d\n", __func__, irq_index); return 0; diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c index d57b77573068..02553a8ce191 100644 --- a/arch/powerpc/sysdev/ge/ge_pic.c +++ b/arch/powerpc/sysdev/ge/ge_pic.c @@ -102,7 +102,7 @@ static void gef_pic_cascade(struct irq_desc *desc) */ cascade_irq = gef_pic_get_irq(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); @@ -206,7 +206,7 @@ void __init gef_pic_init(struct device_node *np) /* Map controller */ gef_pic_cascade_irq = irq_of_parse_and_map(np, 0); - if (gef_pic_cascade_irq == NO_IRQ) { + if (!gef_pic_cascade_irq) { printk(KERN_ERR "SBC610: failed to map cascade interrupt"); return; } @@ -223,12 +223,12 @@ void __init gef_pic_init(struct device_node *np) /* * This is called when we receive an interrupt with apparently comes from this - * chip - check, returning the highest interrupt generated or return NO_IRQ + * chip - check, returning the highest interrupt generated or return 0. */ unsigned int gef_pic_get_irq(void) { u32 cause, mask, active; - unsigned int virq = NO_IRQ; + unsigned int virq = 0; int hwirq; cause = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_STATUS); diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c index aa2c186d3115..bafb014e1a7e 100644 --- a/arch/powerpc/sysdev/i8259.c +++ b/arch/powerpc/sysdev/i8259.c @@ -68,9 +68,9 @@ unsigned int i8259_irq(void) if (!pci_intack) outb(0x0B, 0x20); /* ISR register */ if(~inb(0x20) & 0x80) - irq = NO_IRQ; + irq = 0; } else if (irq == 0xff) - irq = NO_IRQ; + irq = 0; if (lock) raw_spin_unlock(&i8259_lock); diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index f76ee39cb337..f267ee0afc08 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -853,7 +853,7 @@ void ipic_clear_mcp_status(u32 mask) ipic_write(primary_ipic->regs, IPIC_SERMR, mask); } -/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */ +/* Return an interrupt vector or 0 if no interrupt is pending. */ unsigned int ipic_get_irq(void) { int irq; @@ -864,7 +864,7 @@ unsigned int ipic_get_irq(void) irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & IPIC_SIVCR_VECTOR_MASK; if (irq == 0) /* 0 --> no irq is pending */ - return NO_IRQ; + return 0; return irq_linear_revmap(primary_ipic->irqhost, irq); } diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c index b7cf7abff2eb..3e828b20c21e 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/sysdev/mpc8xx_pic.c @@ -79,7 +79,7 @@ unsigned int mpc8xx_get_irq(void) irq = in_be32(&siu_reg->sc_sivec) >> 26; if (irq == PIC_VEC_SPURRIOUS) - irq = NO_IRQ; + irq = 0; return irq_linear_revmap(mpc8xx_pic_host, irq); diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 7de45b2df366..4d48cecfedd1 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1649,7 +1649,7 @@ void __init mpic_init(struct mpic *mpic) /* Check if this MPIC is chained from a parent interrupt controller */ if (mpic->flags & MPIC_SECONDARY) { int virq = irq_of_parse_and_map(mpic->node, 0); - if (virq != NO_IRQ) { + if (virq) { printk(KERN_INFO "%s: hooking up to IRQ %d\n", mpic->node->full_name, virq); irq_set_handler_data(virq, mpic); @@ -1778,13 +1778,13 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg) if (unlikely(src == mpic->spurious_vec)) { if (mpic->flags & MPIC_SPV_EOI) mpic_eoi(mpic); - return NO_IRQ; + return 0; } if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n", mpic->name, (int)src); mpic_eoi(mpic); - return NO_IRQ; + return 0; } return irq_linear_revmap(mpic->irqhost, src); @@ -1817,17 +1817,17 @@ unsigned int mpic_get_coreint_irq(void) if (unlikely(src == mpic->spurious_vec)) { if (mpic->flags & MPIC_SPV_EOI) mpic_eoi(mpic); - return NO_IRQ; + return 0; } if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n", mpic->name, (int)src); - return NO_IRQ; + return 0; } return irq_linear_revmap(mpic->irqhost, src); #else - return NO_IRQ; + return 0; #endif } @@ -1852,7 +1852,7 @@ void mpic_request_ipis(void) for (i = 0; i < 4; i++) { unsigned int vipi = irq_create_mapping(mpic->irqhost, mpic->ipi_vecs[0] + i); - if (vipi == NO_IRQ) { + if (!vipi) { printk(KERN_ERR "Failed to map %s\n", smp_ipi_name[i]); continue; } diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c index 3f165d972a0e..db2286be5d9a 100644 --- a/arch/powerpc/sysdev/mpic_msgr.c +++ b/arch/powerpc/sysdev/mpic_msgr.c @@ -238,7 +238,7 @@ static int mpic_msgr_probe(struct platform_device *dev) if (receive_mask & (1 << i)) { msgr->irq = irq_of_parse_and_map(np, irq_index); - if (msgr->irq == NO_IRQ) { + if (!msgr->irq) { dev_err(&dev->dev, "Missing interrupt specifier"); kfree(msgr); @@ -246,7 +246,7 @@ static int mpic_msgr_probe(struct platform_device *dev) } irq_index += 1; } else { - msgr->irq = NO_IRQ; + msgr->irq = 0; } mpic_msgrs[reg_number] = msgr; diff --git a/arch/powerpc/sysdev/mpic_u3msi.c b/arch/powerpc/sysdev/mpic_u3msi.c index 2cbc7e29b85f..cfc1c57d760f 100644 --- a/arch/powerpc/sysdev/mpic_u3msi.c +++ b/arch/powerpc/sysdev/mpic_u3msi.c @@ -110,7 +110,7 @@ static void u3msi_teardown_msi_irqs(struct pci_dev *pdev) irq_hw_number_t hwirq; for_each_pci_msi_entry(entry, pdev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; hwirq = virq_to_hw(entry->irq); @@ -155,7 +155,7 @@ static int u3msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) msg.address_hi = addr >> 32; virq = irq_create_mapping(msi_mpic->irqhost, hwirq); - if (virq == NO_IRQ) { + if (!virq) { pr_debug("u3msi: failed mapping hwirq 0x%x\n", hwirq); msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap, hwirq, 1); return -ENOSPC; diff --git a/arch/powerpc/sysdev/mv64x60_pic.c b/arch/powerpc/sysdev/mv64x60_pic.c index 0f842dd16bcd..a79953deb489 100644 --- a/arch/powerpc/sysdev/mv64x60_pic.c +++ b/arch/powerpc/sysdev/mv64x60_pic.c @@ -272,7 +272,7 @@ unsigned int mv64x60_get_irq(void) u32 cause; int level1; irq_hw_number_t hwirq; - int virq = NO_IRQ; + int virq = 0; cause = in_le32(mv64x60_irq_reg_base + MV64X60_IC_CPU0_SELECT_CAUSE); if (cause & MV64X60_SELECT_CAUSE_HIGH) { diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index 8a0b77a3ec0c..9ea6a221d9d5 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -158,7 +158,7 @@ static int pmi_of_probe(struct platform_device *dev) data->dev = dev; data->irq = irq_of_parse_and_map(np, 0); - if (data->irq == NO_IRQ) { + if (!data->irq) { printk(KERN_ERR "pmi: invalid interrupt.\n"); rc = -EFAULT; goto error_cleanup_iomap; diff --git a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c index 52a93dcae262..9926ad67af76 100644 --- a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c +++ b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c @@ -60,7 +60,7 @@ static int hsta_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) } hwirq = ppc4xx_hsta_msi.irq_map[irq]; - if (hwirq == NO_IRQ) { + if (!hwirq) { pr_err("%s: Failed mapping irq %d\n", __func__, irq); return -EINVAL; } @@ -110,7 +110,7 @@ static void hsta_teardown_msi_irqs(struct pci_dev *dev) int irq; for_each_pci_msi_entry(entry, dev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; irq = hsta_find_hwirq_offset(entry->irq); @@ -166,7 +166,7 @@ static int hsta_msi_probe(struct platform_device *pdev) for (irq = 0; irq < irq_count; irq++) { ppc4xx_hsta_msi.irq_map[irq] = irq_of_parse_and_map(dev->of_node, irq); - if (ppc4xx_hsta_msi.irq_map[irq] == NO_IRQ) { + if (!ppc4xx_hsta_msi.irq_map[irq]) { dev_err(dev, "Unable to map IRQ\n"); ret = -EINVAL; goto out2; diff --git a/arch/powerpc/sysdev/ppc4xx_msi.c b/arch/powerpc/sysdev/ppc4xx_msi.c index 8fb806135043..590dab4f47d6 100644 --- a/arch/powerpc/sysdev/ppc4xx_msi.c +++ b/arch/powerpc/sysdev/ppc4xx_msi.c @@ -102,7 +102,7 @@ static int ppc4xx_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) __func__); } virq = irq_of_parse_and_map(msi_data->msi_dev, int_no); - if (virq == NO_IRQ) { + if (!virq) { dev_err(&dev->dev, "%s: fail mapping irq\n", __func__); msi_bitmap_free_hwirqs(&msi_data->bitmap, int_no, 1); return -ENOSPC; @@ -129,7 +129,7 @@ void ppc4xx_teardown_msi_irqs(struct pci_dev *dev) dev_dbg(&dev->dev, "PCIE-MSI: tearing down msi irqs\n"); for_each_pci_msi_entry(entry, dev) { - if (entry->irq == NO_IRQ) + if (!entry->irq) continue; hwirq = virq_to_hw(entry->irq); irq_set_msi_desc(entry->irq, NULL); @@ -201,7 +201,7 @@ static int ppc4xx_of_msi_remove(struct platform_device *dev) for (i = 0; i < msi_irqs; i++) { virq = msi->msi_virqs[i]; - if (virq != NO_IRQ) + if (virq) irq_dispose_mapping(virq); } diff --git a/arch/powerpc/sysdev/ppc4xx_soc.c b/arch/powerpc/sysdev/ppc4xx_soc.c index 5c77c9ba33aa..d41134d2f786 100644 --- a/arch/powerpc/sysdev/ppc4xx_soc.c +++ b/arch/powerpc/sysdev/ppc4xx_soc.c @@ -109,7 +109,7 @@ static int __init ppc4xx_l2c_probe(void) /* Get and map irq number from device tree */ irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { printk(KERN_ERR "irq_of_parse_and_map failed\n"); of_node_put(np); return -ENODEV; diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 379de955aae3..57c971b7839c 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -433,7 +433,7 @@ void tsi108_irq_cascade(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = get_pci_source(); - if (cascade_irq != NO_IRQ) + if (cascade_irq) generic_handle_irq(cascade_irq); chip->irq_eoi(&desc->irq_data); diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index 6893d8f236df..a00949f3e378 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -319,7 +319,7 @@ void __init uic_init_tree(void) } } -/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */ +/* Return an interrupt vector or 0 if no interrupt is pending. */ unsigned int uic_get_irq(void) { u32 msr; diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c index c1917cf67c3d..e7fa26c4ff73 100644 --- a/arch/powerpc/sysdev/xics/icp-hv.c +++ b/arch/powerpc/sysdev/xics/icp-hv.c @@ -112,10 +112,10 @@ static unsigned int icp_hv_get_irq(void) unsigned int irq; if (vec == XICS_IRQ_SPURIOUS) - return NO_IRQ; + return 0; irq = irq_find_mapping(xics_host, vec); - if (likely(irq != NO_IRQ)) { + if (likely(irq)) { xics_push_cppr(vec); return irq; } @@ -126,7 +126,7 @@ static unsigned int icp_hv_get_irq(void) /* We might learn about it later, so EOI it */ icp_hv_set_xirr(xirr); - return NO_IRQ; + return 0; } static void icp_hv_set_cpu_priority(unsigned char cppr) diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c index afdf62f2a695..8a6a043e239b 100644 --- a/arch/powerpc/sysdev/xics/icp-native.c +++ b/arch/powerpc/sysdev/xics/icp-native.c @@ -124,10 +124,10 @@ static unsigned int icp_native_get_irq(void) unsigned int irq; if (vec == XICS_IRQ_SPURIOUS) - return NO_IRQ; + return 0; irq = irq_find_mapping(xics_host, vec); - if (likely(irq != NO_IRQ)) { + if (likely(irq)) { xics_push_cppr(vec); return irq; } @@ -138,7 +138,7 @@ static unsigned int icp_native_get_irq(void) /* We might learn about it later, so EOI it */ icp_native_set_xirr(xirr); - return NO_IRQ; + return 0; } #ifdef CONFIG_SMP diff --git a/arch/powerpc/sysdev/xics/icp-opal.c b/arch/powerpc/sysdev/xics/icp-opal.c index 57d72f10a97f..7357cfddb040 100644 --- a/arch/powerpc/sysdev/xics/icp-opal.c +++ b/arch/powerpc/sysdev/xics/icp-opal.c @@ -51,14 +51,14 @@ static unsigned int icp_opal_get_irq(void) rc = opal_int_get_xirr(&xirr, false); if (rc < 0) - return NO_IRQ; + return 0; xirr = be32_to_cpu(xirr); vec = xirr & 0x00ffffff; if (vec == XICS_IRQ_SPURIOUS) - return NO_IRQ; + return 0; irq = irq_find_mapping(xics_host, vec); - if (likely(irq != NO_IRQ)) { + if (likely(irq)) { xics_push_cppr(vec); return irq; } @@ -69,7 +69,7 @@ static unsigned int icp_opal_get_irq(void) /* We might learn about it later, so EOI it */ opal_int_eoi(xirr); - return NO_IRQ; + return 0; } static void icp_opal_set_cpu_priority(unsigned char cppr) diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index 9d530f479588..69d858e51ac7 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -131,7 +131,7 @@ static void xics_request_ipi(void) unsigned int ipi; ipi = irq_create_mapping(xics_host, XICS_IPI); - BUG_ON(ipi == NO_IRQ); + BUG_ON(!ipi); /* * IPIs are marked IRQF_PERCPU. The handler was set in map. diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index b6819f0fc608..3f041b187033 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -236,7 +236,7 @@ static void macio_create_fixup_irq(struct macio_dev *dev, int index, unsigned int irq; irq = irq_create_mapping(NULL, line); - if (irq != NO_IRQ) { + if (!irq) { dev->interrupt[index].start = irq; dev->interrupt[index].flags = IORESOURCE_IRQ; dev->interrupt[index].name = dev_name(&dev->ofdev.dev); @@ -299,7 +299,7 @@ static void macio_setup_interrupts(struct macio_dev *dev) break; res = &dev->interrupt[j]; irq = irq_of_parse_and_map(np, i++); - if (irq == NO_IRQ) + if (!irq) break; res->start = irq; res->flags = IORESOURCE_IRQ; diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c index 465c52219639..775527135b93 100644 --- a/drivers/macintosh/rack-meter.c +++ b/drivers/macintosh/rack-meter.c @@ -427,7 +427,7 @@ static int rackmeter_probe(struct macio_dev* mdev, rm->irq = macio_irq(mdev, 1); #else rm->irq = irq_of_parse_and_map(i2s, 1); - if (rm->irq == NO_IRQ || + if (!rm->irq || of_address_to_resource(i2s, 0, &ri2s) || of_address_to_resource(i2s, 1, &rdma)) { printk(KERN_ERR diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index d6f72c826c1c..08edb2c25b60 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -279,7 +279,7 @@ int smu_queue_cmd(struct smu_cmd *cmd) spin_unlock_irqrestore(&smu->lock, flags); /* Workaround for early calls when irq isn't available */ - if (!smu_irq_inited || smu->db_irq == NO_IRQ) + if (!smu_irq_inited || !smu->db_irq) smu_spinwait_cmd(cmd); return 0; @@ -498,8 +498,8 @@ int __init smu_init (void) INIT_LIST_HEAD(&smu->cmd_list); INIT_LIST_HEAD(&smu->cmd_i2c_list); smu->of_node = np; - smu->db_irq = NO_IRQ; - smu->msg_irq = NO_IRQ; + smu->db_irq = 0; + smu->msg_irq = 0; /* smu_cmdbuf_abs is in the low 2G of RAM, can be converted to a * 32 bits value safely @@ -587,13 +587,13 @@ static int smu_late_init(void) if (smu->db_node) { smu->db_irq = irq_of_parse_and_map(smu->db_node, 0); - if (smu->db_irq == NO_IRQ) + if (!smu->db_irq) printk(KERN_ERR "smu: failed to map irq for node %s\n", smu->db_node->full_name); } if (smu->msg_node) { smu->msg_irq = irq_of_parse_and_map(smu->msg_node, 0); - if (smu->msg_irq == NO_IRQ) + if (!smu->msg_irq) printk(KERN_ERR "smu: failed to map irq for node %s\n", smu->msg_node->full_name); } @@ -602,23 +602,23 @@ static int smu_late_init(void) * Try to request the interrupts */ - if (smu->db_irq != NO_IRQ) { + if (smu->db_irq) { if (request_irq(smu->db_irq, smu_db_intr, IRQF_SHARED, "SMU doorbell", smu) < 0) { printk(KERN_WARNING "SMU: can't " "request interrupt %d\n", smu->db_irq); - smu->db_irq = NO_IRQ; + smu->db_irq = 0; } } - if (smu->msg_irq != NO_IRQ) { + if (smu->msg_irq) { if (request_irq(smu->msg_irq, smu_msg_intr, IRQF_SHARED, "SMU message", smu) < 0) { printk(KERN_WARNING "SMU: can't " "request interrupt %d\n", smu->msg_irq); - smu->msg_irq = NO_IRQ; + smu->msg_irq = 0; } } diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c index bad18130f125..2088e23a8002 100644 --- a/drivers/macintosh/via-cuda.c +++ b/drivers/macintosh/via-cuda.c @@ -209,7 +209,7 @@ static int __init via_cuda_start(void) cuda_irq = IRQ_MAC_ADB; #else cuda_irq = irq_of_parse_and_map(vias, 0); - if (cuda_irq == NO_IRQ) { + if (!cuda_irq) { printk(KERN_ERR "via-cuda: can't map interrupts for %s\n", vias->full_name); return -ENODEV; diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index f8b6d1403c16..91081dcdc272 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -145,7 +145,7 @@ static int pmu_fully_inited; static int pmu_has_adb; static struct device_node *gpio_node; static unsigned char __iomem *gpio_reg; -static int gpio_irq = NO_IRQ; +static int gpio_irq = 0; static int gpio_irq_enabled = -1; static volatile int pmu_suspended; static spinlock_t pmu_lock; @@ -402,7 +402,7 @@ static int __init via_pmu_start(void) batt_req.complete = 1; irq = irq_of_parse_and_map(vias, 0); - if (irq == NO_IRQ) { + if (!irq) { printk(KERN_ERR "via-pmu: can't map interrupt\n"); return -ENODEV; } @@ -424,7 +424,7 @@ static int __init via_pmu_start(void) if (gpio_node) gpio_irq = irq_of_parse_and_map(gpio_node, 0); - if (gpio_irq != NO_IRQ) { + if (gpio_irq) { if (request_irq(gpio_irq, gpio1_interrupt, IRQF_NO_SUSPEND, "GPIO1 ADB", (void *)0)) diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c index 632701a1d993..b7f300b79ffd 100644 --- a/drivers/ps3/ps3-vuart.c +++ b/drivers/ps3/ps3-vuart.c @@ -958,7 +958,7 @@ static int ps3_vuart_bus_interrupt_get(void) fail_request_irq: ps3_vuart_irq_destroy(vuart_bus_priv.virq); - vuart_bus_priv.virq = NO_IRQ; + vuart_bus_priv.virq = 0; fail_alloc_irq: kfree(vuart_bus_priv.bmp); vuart_bus_priv.bmp = NULL; @@ -982,7 +982,7 @@ static int ps3_vuart_bus_interrupt_put(void) free_irq(vuart_bus_priv.virq, &vuart_bus_priv); ps3_vuart_irq_destroy(vuart_bus_priv.virq); - vuart_bus_priv.virq = NO_IRQ; + vuart_bus_priv.virq = 0; kfree(vuart_bus_priv.bmp); vuart_bus_priv.bmp = NULL; diff --git a/sound/aoa/core/gpio-feature.c b/sound/aoa/core/gpio-feature.c index f34153962d07..71960089e207 100644 --- a/sound/aoa/core/gpio-feature.c +++ b/sound/aoa/core/gpio-feature.c @@ -118,7 +118,7 @@ static void get_irq(struct device_node * np, int *irqptr) if (np) *irqptr = irq_of_parse_and_map(np, 0); else - *irqptr = NO_IRQ; + *irqptr = 0; } /* 0x4 is outenable, 0x1 is out, thus 4 or 5 */ @@ -336,7 +336,7 @@ static int ftr_set_notify(struct gpio_runtime *rt, return -EINVAL; } - if (irq == NO_IRQ) + if (!irq) return -ENODEV; mutex_lock(¬if->mutex); diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index c8fafba218a5..58ee8089bbf9 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -1303,19 +1303,19 @@ static int tumbler_init(struct snd_pmac *chip) &mix->line_mute, 1); irq = tumbler_find_device("headphone-detect", NULL, &mix->hp_detect, 0); - if (irq <= NO_IRQ) + if (irq <= 0) irq = tumbler_find_device("headphone-detect", NULL, &mix->hp_detect, 1); - if (irq <= NO_IRQ) + if (irq <= 0) irq = tumbler_find_device("keywest-gpio15", NULL, &mix->hp_detect, 1); mix->headphone_irq = irq; irq = tumbler_find_device("line-output-detect", NULL, &mix->line_detect, 0); - if (irq <= NO_IRQ) + if (irq <= 0) irq = tumbler_find_device("line-output-detect", NULL, &mix->line_detect, 1); - if (IS_G4DA && irq <= NO_IRQ) + if (IS_G4DA && irq <= 0) irq = tumbler_find_device("keywest-gpio16", NULL, &mix->line_detect, 1); mix->lineout_irq = irq; |
