diff options
Diffstat (limited to 'arch/powerpc/platforms')
40 files changed, 101 insertions, 98 deletions
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); |