diff options
109 files changed, 286 insertions, 427 deletions
diff --git a/Documentation/core-api/irq/irq-domain.rst b/Documentation/core-api/irq/irq-domain.rst index 53283b3729a1..6979b4af2c1f 100644 --- a/Documentation/core-api/irq/irq-domain.rst +++ b/Documentation/core-api/irq/irq-domain.rst @@ -55,8 +55,24 @@ exist then it will allocate a new Linux irq_desc, associate it with the hwirq, and call the .map() callback so the driver can perform any required hardware setup. -When an interrupt is received, irq_find_mapping() function should -be used to find the Linux IRQ number from the hwirq number. +Once a mapping has been established, it can be retrieved or used via a +variety of methods: + +- irq_resolve_mapping() returns a pointer to the irq_desc structure + for a given domain and hwirq number, and NULL if there was no + mapping. +- irq_find_mapping() returns a Linux IRQ number for a given domain and + hwirq number, and 0 if there was no mapping +- irq_linear_revmap() is now identical to irq_find_mapping(), and is + deprecated +- generic_handle_domain_irq() handles an interrupt described by a + domain and a hwirq number +- handle_domain_irq() does the same thing for root interrupt + controllers and deals with the set_irq_reg()/irq_enter() sequences + that most architecture requires + +Note that irq domain lookups must happen in contexts that are +compatible with a RCU read-side critical section. The irq_create_mapping() function must be called *atleast once* before any call to irq_find_mapping(), lest the descriptor will not @@ -137,7 +153,9 @@ required. Calling irq_create_direct_mapping() will allocate a Linux IRQ number and call the .map() callback so that driver can program the Linux IRQ number into the hardware. -Most drivers cannot use this mapping. +Most drivers cannot use this mapping, and it is now gated on the +CONFIG_IRQ_DOMAIN_NOMAP option. Please refrain from introducing new +users of this API. Legacy ------ @@ -157,6 +175,10 @@ for IRQ numbers that are passed to struct device registrations. In that case the Linux IRQ numbers cannot be dynamically assigned and the legacy mapping should be used. +As the name implies, the *_legacy() functions are deprecated and only +exist to ease the support of ancient platforms. No new users should be +added. + The legacy map assumes a contiguous range of IRQ numbers has already been allocated for the controller and that the IRQ number can be calculated by adding a fixed offset to the hwirq number, and diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index abf9398cc333..f9fdb557c263 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -352,7 +352,7 @@ static void idu_cascade_isr(struct irq_desc *desc) irq_hw_number_t idu_hwirq = core_hwirq - FIRST_EXT_IRQ; chained_irq_enter(core_chip, desc); - generic_handle_irq(irq_find_mapping(idu_domain, idu_hwirq)); + generic_handle_domain_irq(idu_domain, idu_hwirq); chained_irq_exit(core_chip, desc); } diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index ff5e0d04cb89..d17083c3fe2d 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -196,14 +196,6 @@ static int sa1111_map_irq(struct sa1111 *sachip, irq_hw_number_t hwirq) return irq_create_mapping(sachip->irqdomain, hwirq); } -static void sa1111_handle_irqdomain(struct irq_domain *irqdomain, int irq) -{ - struct irq_desc *d = irq_to_desc(irq_linear_revmap(irqdomain, irq)); - - if (d) - generic_handle_irq_desc(d); -} - /* * SA1111 interrupt support. Since clearing an IRQ while there are * active IRQs causes the interrupt output to pulse, the upper levels @@ -234,11 +226,11 @@ static void sa1111_irq_handler(struct irq_desc *desc) for (i = 0; stat0; i++, stat0 >>= 1) if (stat0 & 1) - sa1111_handle_irqdomain(irqdomain, i); + generic_handle_domain_irq(irqdomain, i); for (i = 32; stat1; i++, stat1 >>= 1) if (stat1 & 1) - sa1111_handle_irqdomain(irqdomain, i); + generic_handle_domain_irq(irqdomain, i); /* For level-based interrupts */ desc->irq_data.chip->irq_unmask(&desc->irq_data); diff --git a/arch/arm/mach-pxa/pxa_cplds_irqs.c b/arch/arm/mach-pxa/pxa_cplds_irqs.c index bddfc7cd5d40..eda5a47d7fbb 100644 --- a/arch/arm/mach-pxa/pxa_cplds_irqs.c +++ b/arch/arm/mach-pxa/pxa_cplds_irqs.c @@ -39,10 +39,8 @@ static irqreturn_t cplds_irq_handler(int in_irq, void *d) do { pending = readl(fpga->base + FPGA_IRQ_SET_CLR) & fpga->irq_mask; - for_each_set_bit(bit, &pending, CPLDS_NB_IRQ) { - generic_handle_irq(irq_find_mapping(fpga->irqdomain, - bit)); - } + for_each_set_bit(bit, &pending, CPLDS_NB_IRQ) + generic_handle_domain_irq(fpga->irqdomain, bit); } while (pending); return IRQ_HANDLED; diff --git a/arch/arm/mach-s3c/irq-s3c24xx.c b/arch/arm/mach-s3c/irq-s3c24xx.c index 0c631c14a817..3edc5f614eef 100644 --- a/arch/arm/mach-s3c/irq-s3c24xx.c +++ b/arch/arm/mach-s3c/irq-s3c24xx.c @@ -298,7 +298,7 @@ static void s3c_irq_demux(struct irq_desc *desc) struct s3c_irq_data *irq_data = irq_desc_get_chip_data(desc); struct s3c_irq_intc *intc = irq_data->intc; struct s3c_irq_intc *sub_intc = irq_data->sub_intc; - unsigned int n, offset, irq; + unsigned int n, offset; unsigned long src, msk; /* we're using individual domains for the non-dt case @@ -318,8 +318,7 @@ static void s3c_irq_demux(struct irq_desc *desc) while (src) { n = __ffs(src); src &= ~(1 << n); - irq = irq_find_mapping(sub_intc->domain, offset + n); - generic_handle_irq(irq); + generic_handle_domain_irq(sub_intc->domain, offset + n); } chained_irq_exit(chip, desc); diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c index 9dbed7b5ea76..76e43a73ba1b 100644 --- a/arch/mips/ath25/ar2315.c +++ b/arch/mips/ath25/ar2315.c @@ -69,24 +69,24 @@ static void ar2315_misc_irq_handler(struct irq_desc *desc) { u32 pending = ar2315_rst_reg_read(AR2315_ISR) & ar2315_rst_reg_read(AR2315_IMR); - unsigned nr, misc_irq = 0; + unsigned nr; + int ret = 0; if (pending) { struct irq_domain *domain = irq_desc_get_handler_data(desc); nr = __ffs(pending); - misc_irq = irq_find_mapping(domain, nr); - } - if (misc_irq) { if (nr == AR2315_MISC_IRQ_GPIO) ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_GPIO); else if (nr == AR2315_MISC_IRQ_WATCHDOG) ar2315_rst_reg_write(AR2315_ISR, AR2315_ISR_WD); - generic_handle_irq(misc_irq); - } else { - spurious_interrupt(); + + ret = generic_handle_domain_irq(domain, nr); } + + if (!pending || ret) + spurious_interrupt(); } static void ar2315_misc_irq_unmask(struct irq_data *d) diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c index 23c879f4b734..822b639dbd1e 100644 --- a/arch/mips/ath25/ar5312.c +++ b/arch/mips/ath25/ar5312.c @@ -73,22 +73,21 @@ static void ar5312_misc_irq_handler(struct irq_desc *desc) { u32 pending = ar5312_rst_reg_read(AR5312_ISR) & ar5312_rst_reg_read(AR5312_IMR); - unsigned nr, misc_irq = 0; + unsigned nr; + int ret = 0; if (pending) { struct irq_domain *domain = irq_desc_get_handler_data(desc); nr = __ffs(pending); - misc_irq = irq_find_mapping(domain, nr); - } - if (misc_irq) { - generic_handle_irq(misc_irq); + ret = generic_handle_domain_irq(domain, nr); if (nr == AR5312_MISC_IRQ_TIMER) ar5312_rst_reg_read(AR5312_TIMER); - } else { - spurious_interrupt(); } + + if (!pending || ret) + spurious_interrupt(); } /* Enable the specified AR5312_MISC_IRQ interrupt */ diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index acfbdc01b0ac..b732495f138a 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -300,7 +300,7 @@ static void ltq_hw_irq_handler(struct irq_desc *desc) */ irq = __fls(irq); hwirq = irq + MIPS_CPU_IRQ_CASCADE + (INT_NUM_IM_OFFSET * module); - generic_handle_irq(irq_linear_revmap(ltq_domain, hwirq)); + generic_handle_domain_irq(ltq_domain, hwirq); /* if this is a EBU irq, we need to ack it or get a deadlock */ if (irq == LTQ_ICU_EBU_IRQ && !module && LTQ_EBU_PCC_ISTAT != 0) diff --git a/arch/mips/pci/pci-ar2315.c b/arch/mips/pci/pci-ar2315.c index c1a655aee599..9a4bfb4e63e3 100644 --- a/arch/mips/pci/pci-ar2315.c +++ b/arch/mips/pci/pci-ar2315.c @@ -337,14 +337,12 @@ static void ar2315_pci_irq_handler(struct irq_desc *desc) struct ar2315_pci_ctrl *apc = irq_desc_get_handler_data(desc); u32 pending = ar2315_pci_reg_read(apc, AR2315_PCI_ISR) & ar2315_pci_reg_read(apc, AR2315_PCI_IMR); - unsigned pci_irq = 0; + int ret = 0; if (pending) - pci_irq = irq_find_mapping(apc->domain, __ffs(pending)); + ret = generic_handle_domain_irq(apc->domain, __ffs(pending)); - if (pci_irq) - generic_handle_irq(pci_irq); - else + if (!pending || ret) spurious_interrupt(); } diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c index c48e23cf5b5e..d3c947fa2969 100644 --- a/arch/mips/pci/pci-rt3883.c +++ b/arch/mips/pci/pci-rt3883.c @@ -140,10 +140,9 @@ static void rt3883_pci_irq_handler(struct irq_desc *desc) } while (pending) { - unsigned irq, bit = __ffs(pending); + unsigned bit = __ffs(pending); - irq = irq_find_mapping(rpc->irq_domain, bit); - generic_handle_irq(irq); + generic_handle_domain_irq(rpc->irq_domain, bit); pending &= ~BIT(bit); } diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c index 220ca0cd7945..fa353bc13947 100644 --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -100,7 +100,7 @@ static void ralink_intc_irq_handler(struct irq_desc *desc) if (pending) { struct irq_domain *domain = irq_desc_get_handler_data(desc); - generic_handle_irq(irq_find_mapping(domain, __ffs(pending))); + generic_handle_domain_irq(domain, __ffs(pending)); } else { spurious_interrupt(); } diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 95c1bff1ab9f..a0dd3bd2b81b 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -190,7 +190,7 @@ static void ip27_do_irq_mask0(struct irq_desc *desc) unsigned long *mask = per_cpu(irq_enable_mask, cpu); struct irq_domain *domain; u64 pend0; - int irq; + int ret; /* copied from Irix intpend0() */ pend0 = LOCAL_HUB_L(PI_INT_PEND0); @@ -216,10 +216,8 @@ static void ip27_do_irq_mask0(struct irq_desc *desc) #endif { domain = irq_desc_get_handler_data(desc); - irq = irq_linear_revmap(domain, __ffs(pend0)); - if (irq) - generic_handle_irq(irq); - else + ret = generic_handle_domain_irq(domain, __ffs(pend0)); + if (ret) spurious_interrupt(); } @@ -232,7 +230,7 @@ static void ip27_do_irq_mask1(struct irq_desc *desc) unsigned long *mask = per_cpu(irq_enable_mask, cpu); struct irq_domain *domain; u64 pend1; - int irq; + int ret; /* copied from Irix intpend0() */ pend1 = LOCAL_HUB_L(PI_INT_PEND1); @@ -242,10 +240,8 @@ static void ip27_do_irq_mask1(struct irq_desc *desc) return; domain = irq_desc_get_handler_data(desc); - irq = irq_linear_revmap(domain, __ffs(pend1) + 64); - if (irq) - generic_handle_irq(irq); - else + ret = generic_handle_domain_irq(domain, __ffs(pend1) + 64); + if (ret) spurious_interrupt(); LOCAL_HUB_L(PI_INT_PEND1); diff --git a/arch/mips/sgi-ip30/ip30-irq.c b/arch/mips/sgi-ip30/ip30-irq.c index ba87704073c8..423c32cb66ed 100644 --- a/arch/mips/sgi-ip30/ip30-irq.c +++ b/arch/mips/sgi-ip30/ip30-irq.c @@ -99,7 +99,7 @@ static void ip30_normal_irq(struct irq_desc *desc) int cpu = smp_processor_id(); struct irq_domain *domain; u64 pend, mask; - int irq; + int ret; pend = heart_read(&heart_regs->isr); mask = (heart_read(&heart_regs->imr[cpu]) & @@ -130,10 +130,8 @@ static void ip30_normal_irq(struct irq_desc *desc) #endif { domain = irq_desc_get_handler_data(desc); - irq = irq_linear_revmap(domain, __ffs(pend)); - if (irq) - generic_handle_irq(irq); - else + ret = generic_handle_domain_irq(domain, __ffs(pend)); + if (ret) spurious_interrupt(); } } diff --git a/arch/nios2/kernel/irq.c b/arch/nios2/kernel/irq.c index c6a1a9f6ac42..6b7890e5f7af 100644 --- a/arch/nios2/kernel/irq.c +++ b/arch/nios2/kernel/irq.c @@ -19,11 +19,9 @@ static u32 ienable; asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { struct pt_regs *oldregs = set_irq_regs(regs); - int irq; irq_enter(); - irq = irq_find_mapping(NULL, hwirq); - generic_handle_irq(irq); + generic_handle_domain_irq(NULL, hwirq); irq_exit(); set_irq_regs(oldregs); diff --git a/arch/powerpc/platforms/4xx/uic.c b/arch/powerpc/platforms/4xx/uic.c index 36fb66ce54cf..89e2587b1a59 100644 --- a/arch/powerpc/platforms/4xx/uic.c +++ b/arch/powerpc/platforms/4xx/uic.c @@ -198,7 +198,6 @@ static void uic_irq_cascade(struct irq_desc *desc) struct uic *uic = irq_desc_get_handler_data(desc); u32 msr; int src; - int subvirq; raw_spin_lock(&desc->lock); if (irqd_is_level_type(idata)) @@ -213,8 +212,7 @@ static void uic_irq_cascade(struct irq_desc *desc) src = 32 - ffs(msr); - subvirq = irq_linear_revmap(uic->irqhost, src); - generic_handle_irq(subvirq); + generic_handle_domain_irq(uic->irqhost, src); uic_irq_ret: raw_spin_lock(&desc->lock); diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index b2981634f1f8..ea46870e5d6e 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -81,11 +81,10 @@ static struct irq_chip cpld_pic = { .irq_unmask = cpld_unmask_irq, }; -static int +static unsigned int cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, u8 __iomem *maskp) { - int cpld_irq; u8 status = in_8(statusp); u8 mask = in_8(maskp); @@ -93,28 +92,26 @@ cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, status |= (ignore | mask); if (status == 0xff) - return 0; - - cpld_irq = ffz(status) + offset; + return ~0; - return irq_linear_revmap(cpld_pic_host, cpld_irq); + return ffz(status) + offset; } static void cpld_pic_cascade(struct irq_desc *desc) { - unsigned int irq; + unsigned int hwirq; - irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, + hwirq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, &cpld_regs->pci_mask); - if (irq) { - generic_handle_irq(irq); + if (hwirq != ~0) { + generic_handle_domain_irq(cpld_pic_host, hwirq); return; } - irq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status, + hwirq = cpld_pic_get_irq(8, MISC_IGNORE, &cpld_regs->misc_status, &cpld_regs->misc_mask); - if (irq) { - generic_handle_irq(irq); + if (hwirq != ~0) { + generic_handle_domain_irq(cpld_pic_host, hwirq); return; } } diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index efb8bdecbcc7..110c444f4bc7 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -78,7 +78,7 @@ static struct irq_chip media5200_irq_chip = { static void media5200_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); - int sub_virq, val; + int val; u32 status, enable; /* Mask off the cascaded IRQ */ @@ -92,11 +92,10 @@ static void media5200_irq_cascade(struct irq_desc *desc) enable = in_be32(media5200_irq.regs + MEDIA5200_IRQ_STATUS); val = ffs((status & enable) >> MEDIA5200_IRQ_SHIFT); if (val) { - sub_virq = irq_linear_revmap(media5200_irq.irqhost, val - 1); - /* pr_debug("%s: virq=%i s=%.8x e=%.8x hwirq=%i subvirq=%i\n", - * __func__, virq, status, enable, val - 1, sub_virq); + generic_handle_domain_irq(media5200_irq.irqhost, val - 1); + /* pr_debug("%s: virq=%i s=%.8x e=%.8x hwirq=%i\n", + * __func__, virq, status, enable, val - 1); */ - generic_handle_irq(sub_virq); } /* Processing done; can reenable the cascade now */ diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 3823df235f25..f862b48b4824 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -190,14 +190,11 @@ static struct irq_chip mpc52xx_gpt_irq_chip = { static void mpc52xx_gpt_irq_cascade(struct irq_desc *desc) { struct mpc52xx_gpt_priv *gpt = irq_desc_get_handler_data(desc); - int sub_virq; u32 status; status = in_be32(&gpt->regs->status) & MPC52xx_GPT_STATUS_IRQMASK; - if (status) { - sub_virq = irq_linear_revmap(gpt->irqhost, 0); - generic_handle_irq(sub_virq); - } + if (status) + generic_handle_domain_irq(gpt->irqhost, 0); } static int mpc52xx_gpt_irq_map(struct irq_domain *h, unsigned int virq, diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index f82f75a6085c..285bfe19b798 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -91,10 +91,8 @@ static void pq2ads_pci_irq_demux(struct irq_desc *desc) break; for (bit = 0; pend != 0; ++bit, pend <<= 1) { - if (pend & 0x80000000) { - int virq = irq_linear_revmap(priv->host, bit); - generic_handle_irq(virq); - } + if (pend & 0x80000000) + generic_handle_domain_irq(priv->host, bit); } } } diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index c0ab62ba6f16..0873a7a20271 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -106,13 +106,9 @@ static void iic_ioexc_cascade(struct irq_desc *desc) out_be64(&node_iic->iic_is, ack); /* handle them */ for (cascade = 63; cascade >= 0; cascade--) - if (bits & (0x8000000000000000UL >> cascade)) { - unsigned int cirq = - irq_linear_revmap(iic_host, + if (bits & (0x8000000000000000UL >> cascade)) + generic_handle_domain_irq(iic_host, base | cascade); - if (cirq) - generic_handle_irq(cirq); - } /* post-ack level interrupts */ ack = bits & ~IIC_ISR_EDGE_MASK; if (ack) diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 210785f59271..8af75867cb42 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -190,16 +190,11 @@ static void spider_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct spider_pic *pic = irq_desc_get_handler_data(desc); - unsigned int cs, virq; + unsigned int cs; cs = in_be32(pic->regs + TIR_CS) >> 24; - if (cs == SPIDER_IRQ_INVALID) - virq = 0; - else - virq = irq_linear_revmap(pic->host, cs); - - if (virq) - generic_handle_irq(virq); + if (cs != SPIDER_IRQ_INVALID) + generic_handle_domain_irq(pic->host, cs); chip->irq_eoi(&desc->irq_data); } diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index a1b7f79a8a15..15396333a90b 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -108,7 +108,6 @@ static const struct irq_domain_ops hlwd_irq_domain_ops = { static unsigned int __hlwd_pic_get_irq(struct irq_domain *h) { void __iomem *io_base = h->host_data; - int irq; u32 irq_status; irq_status = in_be32(io_base + HW_BROADWAY_ICR) & @@ -116,23 +115,22 @@ static unsigned int __hlwd_pic_get_irq(struct irq_domain *h) if (irq_status == 0) return 0; /* no more IRQs pending */ - irq = __ffs(irq_status); - return irq_linear_revmap(h, irq); + return __ffs(irq_status); } static void hlwd_pic_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct irq_domain *irq_domain = irq_desc_get_handler_data(desc); - unsigned int virq; + unsigned int hwirq; raw_spin_lock(&desc->lock); chip->irq_mask(&desc->irq_data); /* IRQ_LEVEL */ raw_spin_unlock(&desc->lock); - virq = __hlwd_pic_get_irq(irq_domain); - if (virq) - generic_handle_irq(virq); + hwirq = __hlwd_pic_get_irq(irq_domain); + if (hwirq) + generic_handle_domain_irq(irq_domain, hwirq); else pr_err("spurious interrupt!\n"); @@ -190,7 +188,8 @@ static struct irq_domain *hlwd_pic_init(struct device_node *np) unsigned int hlwd_pic_get_irq(void) { - return __hlwd_pic_get_irq(hlwd_irq_host); + unsigned int hwirq = __hlwd_pic_get_irq(hlwd_irq_host); + return hwirq ? irq_linear_revmap(hlwd_irq_host, hwirq) : 0; } /* diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index c164419e254d..d55652b5f6fa 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -46,18 +46,15 @@ void opal_handle_events(void) e = READ_ONCE(last_outstanding_events) & opal_event_irqchip.mask; again: while (e) { - int virq, hwirq; + int hwirq; hwirq = fls64(e) - 1; e &= ~BIT_ULL(hwirq); local_irq_disable(); - virq = irq_find_mapping(opal_event_irqchip.domain, hwirq); - if (virq) { - irq_enter(); - generic_handle_irq(virq); - irq_exit(); - } + irq_enter(); + generic_handle_domain_irq(opal_event_irqchip.domain, hwirq); + irq_exit(); local_irq_enable(); cond_resched(); diff --git a/arch/powerpc/sysdev/fsl_mpic_err.c b/arch/powerpc/sysdev/fsl_mpic_err.c index 5fa5fa215541..9a98bb212922 100644 --- a/arch/powerpc/sysdev/fsl_mpic_err.c +++ b/arch/powerpc/sysdev/fsl_mpic_err.c @@ -99,7 +99,6 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) struct mpic *mpic = (struct mpic *) data; u32 eisr, eimr; int errint; - unsigned int cascade_irq; eisr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EISR); eimr = mpic_fsl_err_read(mpic->err_regs, MPIC_ERR_INT_EIMR); @@ -108,13 +107,11 @@ static irqreturn_t fsl_error_int_handler(int irq, void *data) return IRQ_NONE; while (eisr) { + int ret; errint = __builtin_clz(eisr); - cascade_irq = irq_linear_revmap(mpic->irqhost, - mpic->err_int_vecs[errint]); - WARN_ON(!cascade_irq); - if (cascade_irq) { - generic_handle_irq(cascade_irq); - } else { + ret = generic_handle_domain_irq(mpic->irqhost, + mpic->err_int_vecs[errint]); + if (WARN_ON(ret)) { eimr |= 1 << (31 - errint); mpic_fsl_err_write(mpic->err_regs, eimr); } diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 808e7118abfc..e6b06c3f8197 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -266,7 +266,6 @@ out_free: static irqreturn_t fsl_msi_cascade(int irq, void *data) { - unsigned int cascade_irq; struct fsl_msi *msi_data; int msir_index = -1; u32 msir_value = 0; @@ -279,9 +278,6 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data) msir_index = cascade_data->index; - if (msir_index >= NR_MSI_REG_MAX) - cascade_irq = 0; - switch (msi_data->feature & FSL_PIC_IP_MASK) { case FSL_PIC_IP_MPIC: msir_value = fsl_msi_read(msi_data->msi_regs, @@ -305,15 +301,15 @@ static irqreturn_t fsl_msi_cascade(int irq, void *data) } while (msir_value) { + int err; intr_index = ffs(msir_value) - 1; - cascade_irq = irq_linear_revmap(msi_data->irqhost, + err = generic_handle_domain_irq(msi_data->irqhost, msi_hwirq(msi_data, msir_index, intr_index + have_shift)); - if (cascade_irq) { - generic_handle_irq(cascade_irq); + if (!err) ret = IRQ_HANDLED; - } + have_shift += intr_index + 1; msir_value = msir_value >> (intr_index + 1); } diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c index 1aedbfe32654..f9f3b14f70d5 100644 --- a/arch/sh/boards/mach-se/7343/irq.c +++ b/arch/sh/boards/mach-se/7343/irq.c @@ -38,7 +38,7 @@ static void se7343_irq_demux(struct irq_desc *desc) mask = ioread16(se7343_irq_regs + PA_CPLD_ST_REG); for_each_set_bit(bit, &mask, SE7343_FPGA_IRQ_NR) - generic_handle_irq(irq_linear_revmap(se7343_irq_domain, bit)); + generic_handle_domain_irq(se7343_irq_domain, bit); chip->irq_unmask(data); } diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c index 6d34592767f8..efa96edd47dc 100644 --- a/arch/sh/boards/mach-se/7722/irq.c +++ b/arch/sh/boards/mach-se/7722/irq.c @@ -37,7 +37,7 @@ static void se7722_irq_demux(struct irq_desc *desc) mask = ioread16(se7722_irq_regs + IRQ01_STS_REG); for_each_set_bit(bit, &mask, SE7722_FPGA_IRQ_NR) - generic_handle_irq(irq_linear_revmap(se7722_irq_domain, bit)); + generic_handle_domain_irq(se7722_irq_domain, bit); chip->irq_unmask(data); } diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c index efc992f641a6..f82d3a6a844a 100644 --- a/arch/sh/boards/mach-x3proto/gpio.c +++ b/arch/sh/boards/mach-x3proto/gpio.c @@ -68,7 +68,7 @@ static void x3proto_gpio_irq_handler(struct irq_desc *desc) mask = __raw_readw(KEYDETR); for_each_set_bit(pin, &mask, NR_BASEBOARD_GPIOS) - generic_handle_irq(irq_linear_revmap(x3proto_irq_domain, pin)); + generic_handle_domain_irq(x3proto_irq_domain, pin); chip->irq_unmask(data); } diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index a48bf2d10ac2..764b54bef701 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -33,8 +33,6 @@ DECLARE_PER_CPU(unsigned long, nmi_count); asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { - int irq = irq_find_mapping(NULL, hwirq); - #ifdef CONFIG_DEBUG_STACKOVERFLOW /* Debugging check for stack overflow: is there less than 1KB free? */ { @@ -48,7 +46,7 @@ asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) sp - sizeof(struct thread_info)); } #endif - generic_handle_irq(irq); + generic_handle_domain_irq(NULL, hwirq); } int arch_show_interrupts(struct seq_file *p, int prec) diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 61c21bd880a4..2eb1d855c288 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -1804,11 +1804,8 @@ static void altr_edac_a10_irq_handler(struct irq_desc *desc) regmap_read(edac->ecc_mgr_map, sm_offset, &irq_status); bits = irq_status; - for_each_set_bit(bit, &bits, 32) { - irq = irq_linear_revmap(edac->domain, dberr * 32 + bit); - if (irq) - generic_handle_irq(irq); - } + for_each_set_bit(bit, &bits, 32) + generic_handle_domain_irq(edac->domain, dberr * 32 + bit); chained_irq_exit(chip, desc); } diff --git a/drivers/gpio/gpio-104-dio-48e.c b/drivers/gpio/gpio-104-dio-48e.c index 71c0bea34d7b..6bf41040c41f 100644 --- a/drivers/gpio/gpio-104-dio-48e.c +++ b/drivers/gpio/gpio-104-dio-48e.c @@ -336,8 +336,8 @@ static irqreturn_t dio48e_irq_handler(int irq, void *dev_id) unsigned long gpio; for_each_set_bit(gpio, &irq_mask, 2) - generic_handle_irq(irq_find_mapping(chip->irq.domain, - 19 + gpio*24)); + generic_handle_domain_irq(chip->irq.domain, + 19 + gpio*24); raw_spin_lock(&dio48egpio->lock); diff --git a/drivers/gpio/gpio-104-idi-48.c b/drivers/gpio/gpio-104-idi-48.c index b132afaf7d99..34be7dd9f5b9 100644 --- a/drivers/gpio/gpio-104-idi-48.c +++ b/drivers/gpio/gpio-104-idi-48.c @@ -223,8 +223,8 @@ static irqreturn_t idi_48_irq_handler(int irq, void *dev_id) for_each_set_bit(bit_num, &irq_mask, 8) { gpio = bit_num + boundary * 8; - generic_handle_irq(irq_find_mapping(chip->irq.domain, - gpio)); + generic_handle_domain_irq(chip->irq.domain, + gpio); } } diff --git a/drivers/gpio/gpio-104-idio-16.c b/drivers/gpio/gpio-104-idio-16.c index 55b40299ebfa..c68ed1a135fa 100644 --- a/drivers/gpio/gpio-104-idio-16.c +++ b/drivers/gpio/gpio-104-idio-16.c @@ -208,7 +208,7 @@ static irqreturn_t idio_16_irq_handler(int irq, void *dev_id) int gpio; for_each_set_bit(gpio, &idio16gpio->irq_mask, chip->ngpio) - generic_handle_irq(irq_find_mapping(chip->irq.domain, gpio)); + generic_handle_domain_irq(chip->irq.domain, gpio); raw_spin_lock(&idio16gpio->lock); diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c index b7932ecc3b61..b59fae993626 100644 --- a/drivers/gpio/gpio-altera.c +++ b/drivers/gpio/gpio-altera.c @@ -201,9 +201,8 @@ static void altera_gpio_irq_edge_handler(struct irq_desc *desc) (readl(mm_gc->regs + ALTERA_GPIO_EDGE_CAP) & readl(mm_gc->regs + ALTERA_GPIO_IRQ_MASK)))) { writel(status, mm_gc->regs + ALTERA_GPIO_EDGE_CAP); - for_each_set_bit(i, &status, mm_gc->gc.ngpio) { - generic_handle_irq(irq_find_mapping(irqdomain, i)); - } + for_each_set_bit(i, &status, mm_gc->gc.ngpio) + generic_handle_domain_irq(irqdomain, i); } chained_irq_exit(chip, desc); @@ -228,9 +227,9 @@ static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc) status = readl(mm_gc->regs + ALTERA_GPIO_DATA); status &= readl(mm_gc->regs + ALTERA_GPIO_IRQ_MASK); - for_each_set_bit(i, &status, mm_gc->gc.ngpio) { - generic_handle_irq(irq_find_mapping(irqdomain, i)); - } + for_each_set_bit(i, &status, mm_gc->gc.ngpio) + generic_handle_domain_irq(irqdomain, i); + chained_irq_exit(chip, desc); } diff --git a/drivers/gpio/gpio-aspeed-sgpio.c b/drivers/gpio/gpio-aspeed-sgpio.c index 64e54f8c30d2..a99ece15db95 100644 --- a/drivers/gpio/gpio-aspeed-sgpio.c +++ b/drivers/gpio/gpio-aspeed-sgpio.c @@ -392,7 +392,7 @@ static void aspeed_sgpio_irq_handler(struct irq_desc *desc) struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct irq_chip *ic = irq_desc_get_chip(desc); struct aspeed_sgpio *data = gpiochip_get_data(gc); - unsigned int i, p, girq; + unsigned int i, p; unsigned long reg; chained_irq_enter(ic, desc); @@ -402,11 +402,8 @@ static void aspeed_sgpio_irq_handler(struct irq_desc *desc) reg = ioread32(bank_reg(data, bank, reg_irq_status)); - for_each_set_bit(p, ®, 32) { - girq = irq_find_mapping(gc->irq.domain, i * 32 + p); - generic_handle_irq(girq); - } - + for_each_set_bit(p, ®, 32) + generic_handle_domain_irq(gc->irq.domain, i * 32 + p); } chained_irq_exit(ic, desc); diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index b966f5e28ebf..3c8f20c57695 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -661,7 +661,7 @@ static void aspeed_gpio_irq_handler(struct irq_desc *desc) struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct irq_chip *ic = irq_desc_get_chip(desc); struct aspeed_gpio *data = gpiochip_get_data(gc); - unsigned int i, p, girq, banks; + unsigned int i, p, banks; unsigned long reg; struct aspeed_gpio *gpio = gpiochip_get_data(gc); @@ -673,11 +673,8 @@ static void aspeed_gpio_irq_handler(struct irq_desc *desc) reg = ioread32(bank_reg(data, bank, reg_irq_status)); - for_each_set_bit(p, ®, 32) { - girq = irq_find_mapping(gc->irq.domain, i * 32 + p); - generic_handle_irq(girq); - } - + for_each_set_bit(p, ®, 32) + generic_handle_domain_irq(gc->irq.domain, i * 32 + p); } chained_irq_exit(ic, desc); diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c index 9b780dc5d390..3958c6d97639 100644 --- a/drivers/gpio/gpio-ath79.c +++ b/drivers/gpio/gpio-ath79.c @@ -204,11 +204,8 @@ static void ath79_gpio_irq_handler(struct irq_desc *desc) raw_spin_unlock_irqrestore(&ctrl->lock, flags); - if (pending) { - for_each_set_bit(irq, &pending, gc->ngpio) - generic_handle_irq( - irq_linear_revmap(gc->irq.domain, irq)); - } + for_each_set_bit(irq, &pending, gc->ngpio) + generic_handle_domain_irq(gc->irq.domain, irq); chained_irq_exit(irqchip, desc); } diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 1e6b427f2c4a..d329a143f5ec 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -466,9 +466,6 @@ static void bcm_kona_gpio_irq_handler(struct irq_desc *desc) (~(readl(reg_base + GPIO_INT_MASK(bank_id)))))) { for_each_set_bit(bit, &sta, 32) { int hwirq = GPIO_PER_BANK * bank_id + bit; - int child_irq = - irq_find_mapping(bank->kona_gpio->irq_domain, - hwirq); /* * Clear interrupt before handler is called so we don't * miss any interrupt occurred during executing them. @@ -476,7 +473,8 @@ static void bcm_kona_gpio_irq_handler(struct irq_desc *desc) writel(readl(reg_base + GPIO_INT_STATUS(bank_id)) | BIT(bit), reg_base + GPIO_INT_STATUS(bank_id)); /* Invoke interrupt handler */ - generic_handle_irq(child_irq); + generic_handle_domain_irq(bank->kona_gpio->irq_domain, + hwirq); } } diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index fcfc1a1f1a5c..74b7c91c3d1a 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -277,15 +277,14 @@ static void brcmstb_gpio_irq_bank_handler(struct brcmstb_gpio_bank *bank) unsigned long status; while ((status = brcmstb_gpio_get_active_irqs(bank))) { - unsigned int irq, offset; + unsigned int offset; for_each_set_bit(offset, &status, 32) { if (offset >= bank->width) dev_warn(&priv->pdev->dev, "IRQ for invalid GPIO (bank=%d, offset=%d)\n", bank->id, offset); - irq = irq_linear_revmap(domain, hwbase + offset); - generic_handle_irq(irq); + generic_handle_domain_irq(domain, hwbase + offset); } } } diff --git a/drivers/gpio/gpio-cadence.c b/drivers/gpio/gpio-cadence.c index 4ab3fcd9b9ba..562f8f7e7d1f 100644 --- a/drivers/gpio/gpio-cadence.c +++ b/drivers/gpio/gpio-cadence.c @@ -133,7 +133,7 @@ static void cdns_gpio_irq_handler(struct irq_desc *desc) ~ioread32(cgpio->regs + CDNS_GPIO_IRQ_MASK); for_each_set_bit(hwirq, &status, chip->ngpio) - generic_handle_irq(irq_find_mapping(chip->irq.domain, hwirq)); + generic_handle_domain_irq(chip->irq.domain, hwirq); chained_irq_exit(irqchip, desc); } diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 6f2138503726..cb5afaa7ed48 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -369,8 +369,7 @@ static void gpio_irq_handler(struct irq_desc *desc) */ hw_irq = (bank_num / 2) * 32 + bit; - generic_handle_irq( - irq_find_mapping(d->irq_domain, hw_irq)); + generic_handle_domain_irq(d->irq_domain, hw_irq); } } chained_irq_exit(irq_desc_get_chip(desc), desc); diff --git a/drivers/gpio/gpio-dln2.c b/drivers/gpio/gpio-dln2.c index 4c5f6d0c8d74..026903e3ef54 100644 --- a/drivers/gpio/gpio-dln2.c +++ b/drivers/gpio/gpio-dln2.c @@ -395,7 +395,7 @@ static struct irq_chip dln2_gpio_irqchip = { static void dln2_gpio_event(struct platform_device *pdev, u16 echo, const void *data, int len) { - int pin, irq; + int pin, ret; const struct { __le16 count; @@ -416,24 +416,20 @@ static void dln2_gpio_event(struct platform_device *pdev, u16 echo, return; } - irq = irq_find_mapping(dln2->gpio.irq.domain, pin); - if (!irq) { - dev_err(dln2->gpio.parent, "pin %d not mapped to IRQ\n", pin); - return; - } - switch (dln2->irq_type[pin]) { case DLN2_GPIO_EVENT_CHANGE_RISING: - if (event->value) - generic_handle_irq(irq); + if (!event->value) + return; break; case DLN2_GPIO_EVENT_CHANGE_FALLING: - if (!event->value) - generic_handle_irq(irq); + if (event->value) + return; break; - default: - generic_handle_irq(irq); } + + ret = generic_handle_domain_irq(dln2->gpio.irq.domain, pin); + if (unlikely(ret)) + dev_err(dln2->gpio.parent, "pin %d not mapped to IRQ\n", pin); } static int dln2_gpio_probe(struct platform_device *pdev) diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index 17a243c528ad..90b336e6ee27 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -173,7 +173,7 @@ static irqreturn_t em_gio_irq_handler(int irq, void *dev_id) while ((pending = em_gio_read(p, GIO_MST))) { offset = __ffs(pending); em_gio_write(p, GIO_IIR, BIT(offset)); - generic_handle_irq(irq_find_mapping(p->irq_domain, offset)); + generic_handle_domain_irq(p->irq_domain, offset); irqs_handled++; } diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index ef148b26b587..2e1779709113 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -128,13 +128,13 @@ static void ep93xx_gpio_ab_irq_handler(struct irq_desc *desc) */ stat = readb(epg->base + EP93XX_GPIO_A_INT_STATUS); for_each_set_bit(offset, &stat, 8) - generic_handle_irq(irq_find_mapping(epg->gc[0].gc.irq.domain, - offset)); + generic_handle_domain_irq(epg->gc[0].gc.irq.domain, + offset); stat = readb(epg->base + EP93XX_GPIO_B_INT_STATUS); for_each_set_bit(offset, &stat, 8) - generic_handle_irq(irq_find_mapping(epg->gc[1].gc.irq.domain, - offset)); + generic_handle_domain_irq(epg->gc[1].gc.irq.domain, + offset); chained_irq_exit(irqchip, desc); } diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c index 4031164780f7..b90a45c939a4 100644 --- a/drivers/gpio/gpio-ftgpio010.c +++ b/drivers/gpio/gpio-ftgpio010.c @@ -149,8 +149,7 @@ static void ftgpio_gpio_irq_handler(struct irq_desc *desc) stat = readl(g->base + GPIO_INT_STAT_RAW); if (stat) for_each_set_bit(offset, &stat, gc->ngpio) - generic_handle_irq(irq_find_mapping(gc->irq.domain, - offset)); + generic_handle_domain_irq(gc->irq.domain, offset); chained_irq_exit(irqchip, desc); } diff --git a/drivers/gpio/gpio-hisi.c b/drivers/gpio/gpio-hisi.c index ad3d4da25160..3caabef5c7a2 100644 --- a/drivers/gpio/gpio-hisi.c +++ b/drivers/gpio/gpio-hisi.c @@ -186,8 +186,8 @@ static void hisi_gpio_irq_handler(struct irq_desc *desc) chained_irq_enter(irq_c, desc); for_each_set_bit(hwirq, &irq_msk, HISI_GPIO_LINE_NUM_MAX) - generic_handle_irq(irq_find_mapping(hisi_gpio->chip.irq.domain, - hwirq)); + generic_handle_domain_irq(hisi_gpio->chip.irq.domain, + hwirq); chained_irq_exit(irq_c, desc); } diff --git a/drivers/gpio/gpio-hlwd.c b/drivers/gpio/gpio-hlwd.c index 4a17599f6d44..641719a96a1a 100644 --- a/drivers/gpio/gpio-hlwd.c +++ b/drivers/gpio/gpio-hlwd.c @@ -97,11 +97,8 @@ static void hlwd_gpio_irqhandler(struct irq_desc *desc) chained_irq_enter(chip, desc); - for_each_set_bit(hwirq, &pending, 32) { - int irq = irq_find_mapping(hlwd->gpioc.irq.domain, hwirq); - - generic_handle_irq(irq); - } + for_each_set_bit(hwirq, &pending, 32) + generic_handle_domain_irq(hlwd->gpioc.irq.domain, hwirq); chained_irq_exit(chip, desc); } diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c index 22f3ce218f5d..42c4d9d0cd50 100644 --- a/drivers/gpio/gpio-merrifield.c +++ b/drivers/gpio/gpio-merrifield.c @@ -359,12 +359,8 @@ static void mrfld_irq_handler(struct irq_desc *desc) /* Only interrupts that are enabled */ pending &= enabled; - for_each_set_bit(gpio, &pending, 32) { - unsigned int irq; - - irq = irq_find_mapping(gc->irq.domain, base + gpio); - generic_handle_irq(irq); - } + for_each_set_bit(gpio, &pending, 32) + generic_handle_domain_irq(gc->irq.domain, base + gpio); } chained_irq_exit(irqchip, desc); diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 4b9157a69fca..d05fd81dca72 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -120,7 +120,7 @@ static irqreturn_t mpc8xxx_gpio_irq_cascade(int irq, void *data) mask = gc->read_reg(mpc8xxx_gc->regs + GPIO_IER) & gc->read_reg(mpc8xxx_gc->regs + GPIO_IMR); for_each_set_bit(i, &mask, 32) - generic_handle_irq(irq_linear_revmap(mpc8xxx_gc->irq, 31 - i)); + generic_handle_domain_irq(mpc8xxx_gc->irq, 31 - i); return IRQ_HANDLED; } diff --git a/drivers/gpio/gpio-mt7621.c b/drivers/gpio/gpio-mt7621.c index 82fb20dca53a..10c0a9bc5ea1 100644 --- a/drivers/gpio/gpio-mt7621.c +++ b/drivers/gpio/gpio-mt7621.c @@ -95,9 +95,7 @@ mediatek_gpio_irq_handler(int irq, void *data) pending = mtk_gpio_r32(rg, GPIO_REG_STAT); for_each_set_bit(bit, &pending, MTK_BANK_WIDTH) { - u32 map = irq_find_mapping(gc->irq.domain, bit); - - generic_handle_irq(map); + generic_handle_domain_irq(gc->irq.domain, bit); mtk_gpio_w32(rg, GPIO_REG_STAT, BIT(bit)); ret |= IRQ_HANDLED; } diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index b9fdf05d7669..c871602fc5ba 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -241,7 +241,7 @@ static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat) if (port->both_edges & (1 << irqoffset)) mxc_flip_edge(port, irqoffset); - generic_handle_irq(irq_find_mapping(port->domain, irqoffset)); + generic_handle_domain_irq(port->domain, irqoffset); irq_stat &= ~(1 << irqoffset); } diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index 31a336b86ff2..c5166cd47c9c 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -157,7 +157,7 @@ static void mxs_gpio_irq_handler(struct irq_desc *desc) if (port->both_edges & (1 << irqoffset)) mxs_flip_edge(port, irqoffset); - generic_handle_irq(irq_find_mapping(port->domain, irqoffset)); + generic_handle_domain_irq(port->domain, irqoffset); irq_stat &= ~(1 << irqoffset); } } diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index ca23f72165ca..415e8df89d6f 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -611,8 +611,7 @@ static irqreturn_t omap_gpio_irq_handler(int irq, void *gpiobank) raw_spin_lock_irqsave(&bank->wa_lock, wa_lock_flags); - generic_handle_irq(irq_find_mapping(bank->chip.irq.domain, - bit)); + generic_handle_domain_irq(bank->chip.irq.domain, bit); raw_spin_unlock_irqrestore(&bank->wa_lock, wa_lock_flags); diff --git a/drivers/gpio/gpio-pci-idio-16.c b/drivers/gpio/gpio-pci-idio-16.c index 9acec76e0b51..71a13a394050 100644 --- a/drivers/gpio/gpio-pci-idio-16.c +++ b/drivers/gpio/gpio-pci-idio-16.c @@ -260,7 +260,7 @@ static irqreturn_t idio_16_irq_handler(int irq, void *dev_id) return IRQ_NONE; for_each_set_bit(gpio, &idio16gpio->irq_mask, chip->ngpio) - generic_handle_irq(irq_find_mapping(chip->irq.domain, gpio)); + generic_handle_domain_irq(chip->irq.domain, gpio); raw_spin_lock(&idio16gpio->lock); diff --git a/drivers/gpio/gpio-pcie-idio-24.c b/drivers/gpio/gpio-pcie-idio-24.c index 2a07fd96707e..8a9b98fa418f 100644 --- a/drivers/gpio/gpio-pcie-idio-24.c +++ b/drivers/gpio/gpio-pcie-idio-24.c @@ -468,8 +468,7 @@ static irqreturn_t idio_24_irq_handler(int irq, void *dev_id) irq_mask = idio24gpio->irq_mask & irq_status; for_each_set_bit(gpio, &irq_mask, chip->ngpio - 24) - generic_handle_irq(irq_find_mapping(chip->irq.domain, - gpio + 24)); + generic_handle_domain_irq(chip->irq.domain, gpio + 24); raw_spin_lock(&idio24gpio->lock); diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index f1b53dd1df1a..4ecab700f23f 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -223,8 +223,8 @@ static void pl061_irq_handler(struct irq_desc *desc) pending = readb(pl061->base + GPIOMIS); if (pending) { for_each_set_bit(offset, &pending, PL061_GPIO_NR) - generic_handle_irq(irq_find_mapping(gc->irq.domain, - offset)); + generic_handle_domain_irq(gc->irq.domain, + offset); } chained_irq_exit(irqchip, desc); diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 0cb6600b8eee..382468e294e1 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -455,9 +455,8 @@ static irqreturn_t pxa_gpio_demux_handler(int in_irq, void *d) for_each_set_bit(n, &gedr, BITS_PER_LONG) { loop = 1; - generic_handle_irq( - irq_find_mapping(pchip->irqdomain, - gpio + n)); + generic_handle_domain_irq(pchip->irqdomain, + gpio + n); } } handled += loop; @@ -471,9 +470,9 @@ static irqreturn_t pxa_gpio_direct_handler(int in_irq, void *d) struct pxa_gpio_chip *pchip = d; if (in_irq == pchip->irq0) { - generic_handle_irq(irq_find_mapping(pchip->irqdomain, 0)); + generic_handle_domain_irq(pchip->irqdomain, 0); } else if (in_irq == pchip->irq1) { - generic_handle_irq(irq_find_mapping(pchip->irqdomain, 1)); + generic_handle_domain_irq(pchip->irqdomain, 1); } else { pr_err("%s() unknown irq %d\n", __func__, in_irq); return IRQ_NONE; diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index e7092d5fe700..b378aba32602 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -213,8 +213,8 @@ static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id) gpio_rcar_read(p, INTMSK))) { offset = __ffs(pending); gpio_rcar_write(p, INTCLR, BIT(offset)); - generic_handle_irq(irq_find_mapping(p->gpio_chip.irq.domain, - offset)); + generic_handle_domain_irq(p->gpio_chip.irq.domain, + offset); irqs_handled++; } diff --git a/drivers/gpio/gpio-rda.c b/drivers/gpio/gpio-rda.c index 28dcbb58b76b..463846431183 100644 --- a/drivers/gpio/gpio-rda.c +++ b/drivers/gpio/gpio-rda.c @@ -181,7 +181,7 @@ static void rda_gpio_irq_handler(struct irq_desc *desc) struct irq_chip *ic = irq_desc_get_chip(desc); struct rda_gpio *rda_gpio = gpiochip_get_data(chip); unsigned long status; - u32 n, girq; + u32 n; chained_irq_enter(ic, desc); @@ -189,10 +189,8 @@ static void rda_gpio_irq_handler(struct irq_desc *desc) /* Only lower 8 bits are capable of generating interrupts */ status &= RDA_GPIO_IRQ_MASK; - for_each_set_bit(n, &status, RDA_GPIO_BANK_NR) { - girq = irq_find_mapping(chip->irq.domain, n); - generic_handle_irq(girq); - } + for_each_set_bit(n, &status, RDA_GPIO_BANK_NR) + generic_handle_domain_irq(chip->irq.domain, n); chained_irq_exit(ic, desc); } diff --git a/drivers/gpio/gpio-realtek-otto.c b/drivers/gpio/gpio-realtek-otto.c index cb64fb5a51aa..eeeb39bc171d 100644 --- a/drivers/gpio/gpio-realtek-otto.c +++ b/drivers/gpio/gpio-realtek-otto.c @@ -196,7 +196,6 @@ static void realtek_gpio_irq_handler(struct irq_desc *desc) struct irq_chip *irq_chip = irq_desc_get_chip(desc); unsigned int lines_done; unsigned int port_pin_count; - unsigned int irq; unsigned long status; int offset; @@ -205,10 +204,8 @@ static void realtek_gpio_irq_handler(struct irq_desc *desc) for (lines_done = 0; lines_done < gc->ngpio; lines_done += 8) { status = realtek_gpio_read_isr(ctrl, lines_done / 8); port_pin_count = min(gc->ngpio - lines_done, 8U); - for_each_set_bit(offset, &status, port_pin_count) { - irq = irq_find_mapping(gc->irq.domain, offset); - generic_handle_irq(irq); - } + for_each_set_bit(offset, &status, port_pin_count) + generic_handle_domain_irq(gc->irq.domain, offset); } chained_irq_exit(irq_chip, desc); diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c index a6f0421d6e50..0600f71462b5 100644 --- a/drivers/gpio/gpio-sch.c +++ b/drivers/gpio/gpio-sch.c @@ -259,7 +259,7 @@ static u32 sch_gpio_gpe_handler(acpi_handle gpe_device, u32 gpe, void *context) pending = (resume_status << sch->resume_base) | core_status; for_each_set_bit(offset, &pending, sch->chip.ngpio) - generic_handle_irq(irq_find_mapping(gc->irq.domain, offset)); + generic_handle_domain_irq(gc->irq.domain, offset); /* Set returning value depending on whether we handled an interrupt */ ret = pending ? ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED; diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c index aed988e78251..c2a2c76c1652 100644 --- a/drivers/gpio/gpio-sodaville.c +++ b/drivers/gpio/gpio-sodaville.c @@ -84,7 +84,7 @@ static irqreturn_t sdv_gpio_pub_irq_handler(int irq, void *data) return IRQ_NONE; for_each_set_bit(irq_bit, &irq_stat, 32) - generic_handle_irq(irq_find_mapping(sd->id, irq_bit)); + generic_handle_domain_irq(sd->id, irq_bit); return IRQ_HANDLED; } diff --git a/drivers/gpio/gpio-sprd.c b/drivers/gpio/gpio-sprd.c index 25c37edcbc6c..9dd9dabb579e 100644 --- a/drivers/gpio/gpio-sprd.c +++ b/drivers/gpio/gpio-sprd.c @@ -189,7 +189,7 @@ static void sprd_gpio_irq_handler(struct irq_desc *desc) struct gpio_chip *chip = irq_desc_get_handler_data(desc); struct irq_chip *ic = irq_desc_get_chip(desc); struct sprd_gpio *sprd_gpio = gpiochip_get_data(chip); - u32 bank, n, girq; + u32 bank, n; chained_irq_enter(ic, desc); @@ -198,13 +198,9 @@ static void sprd_gpio_irq_handler(struct irq_desc *desc) unsigned long reg = readl_relaxed(base + SPRD_GPIO_MIS) & SPRD_GPIO_BANK_MASK; - for_each_set_bit(n, ®, SPRD_GPIO_BANK_NR) { - girq = irq_find_mapping(chip->irq.domain, - bank * SPRD_GPIO_BANK_NR + n); - - generic_handle_irq(girq); - } - + for_each_set_bit(n, ®, SPRD_GPIO_BANK_NR) + generic_handle_domain_irq(chip->irq.domain, + bank * SPRD_GPIO_BANK_NR + n); } chained_irq_exit(ic, desc); } diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c index 866201cf5f65..718a508d3b2f 100644 --- a/drivers/gpio/gpio-tb10x.c +++ b/drivers/gpio/gpio-tb10x.c @@ -100,7 +100,7 @@ static irqreturn_t tb10x_gpio_irq_cascade(int irq, void *data) int i; for_each_set_bit(i, &bits, 32) - generic_handle_irq(irq_find_mapping(tb10x_gpio->domain, i)); + generic_handle_domain_irq(tb10x_gpio->domain, i); return IRQ_HANDLED; } diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 0025f613d9b3..7f5bc10a6479 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -408,6 +408,8 @@ static void tegra_gpio_irq_handler(struct irq_desc *desc) lvl = tegra_gpio_readl(tgi, GPIO_INT_LVL(tgi, gpio)); for_each_set_bit(pin, &sta, 8) { + int ret; + tegra_gpio_writel(tgi, 1 << pin, GPIO_INT_CLR(tgi, gpio)); @@ -420,11 +422,8 @@ static void tegra_gpio_irq_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); } - irq = irq_find_mapping(domain, gpio + pin); - if (WARN_ON(irq == 0)) - continue; - - generic_handle_irq(irq); + ret = generic_handle_domain_irq(domain, gpio + pin); + WARN_RATELIMIT(ret, "hwirq = %d", gpio + pin); } } diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c index d38980b9923a..05c90d76cb22 100644 --- a/drivers/gpio/gpio-tegra186.c +++ b/drivers/gpio/gpio-tegra186.c @@ -456,7 +456,7 @@ static void tegra186_gpio_irq(struct irq_desc *desc) for (i = 0; i < gpio->soc->num_ports; i++) { const struct tegra_gpio_port *port = &gpio->soc->ports[i]; - unsigned int pin, irq; + unsigned int pin; unsigned long value; void __iomem *base; @@ -469,11 +469,8 @@ static void tegra186_gpio_irq(struct irq_desc *desc) value = readl(base + TEGRA186_GPIO_INTERRUPT_STATUS(1)); for_each_set_bit(pin, &value, port->pins) { - irq = irq_find_mapping(domain, offset + pin); - if (WARN_ON(irq == 0)) - continue; - - generic_handle_irq(irq); + int ret = generic_handle_domain_irq(domain, offset + pin); + WARN_RATELIMIT(ret, "hwirq = %d", offset + pin); } skip: diff --git a/drivers/gpio/gpio-tqmx86.c b/drivers/gpio/gpio-tqmx86.c index 5022e0ad0fae..e80ff42e94d0 100644 --- a/drivers/gpio/gpio-tqmx86.c +++ b/drivers/gpio/gpio-tqmx86.c @@ -183,7 +183,7 @@ static void tqmx86_gpio_irq_handler(struct irq_desc *desc) struct tqmx86_gpio_data *gpio = gpiochip_get_data(chip); struct irq_chip *irq_chip = irq_desc_get_chip(desc); unsigned long irq_bits; - int i = 0, child_irq; + int i = 0; u8 irq_status; chained_irq_enter(irq_chip, desc); @@ -192,11 +192,9 @@ static void tqmx86_gpio_irq_handler(struct irq_desc *desc) tqmx86_gpio_write(gpio, irq_status, TQMX86_GPIIS); irq_bits = irq_status; - for_each_set_bit(i, &irq_bits, TQMX86_NGPI) { - child_irq = irq_find_mapping(gpio->chip.irq.domain, - i + TQMX86_NGPO); - generic_handle_irq(child_irq); - } + for_each_set_bit(i, &irq_bits, TQMX86_NGPI) + generic_handle_domain_irq(gpio->chip.irq.domain, + i + TQMX86_NGPO); chained_irq_exit(irq_chip, desc); } diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 58776f2d69ff..e0f2b67558e7 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -149,7 +149,7 @@ static void vf610_gpio_irq_handler(struct irq_desc *desc) for_each_set_bit(pin, &irq_isfr, VF610_GPIO_PER_PORT) { vf610_gpio_writel(BIT(pin), port->base + PORT_ISFR); - generic_handle_irq(irq_find_mapping(port->gc.irq.domain, pin)); + generic_handle_domain_irq(port->gc.irq.domain, pin); } chained_irq_exit(chip, desc); diff --git a/drivers/gpio/gpio-ws16c48.c b/drivers/gpio/gpio-ws16c48.c index 2d89d0529135..bb02a82e22f4 100644 --- a/drivers/gpio/gpio-ws16c48.c +++ b/drivers/gpio/gpio-ws16c48.c @@ -339,8 +339,8 @@ static irqreturn_t ws16c48_irq_handler(int irq, void *dev_id) for_each_set_bit(port, &int_pending, 3) { int_id = inb(ws16c48gpio->base + 8 + port); for_each_set_bit(gpio, &int_id, 8) - generic_handle_irq(irq_find_mapping( - chip->irq.domain, gpio + 8*port)); + generic_handle_domain_irq(chip->irq.domain, + gpio + 8*port); } int_pending = inb(ws16c48gpio->base + 6) & 0x7; diff --git a/drivers/gpio/gpio-xgs-iproc.c b/drivers/gpio/gpio-xgs-iproc.c index ad5489a65d54..fa9b4d8c3ff5 100644 --- a/drivers/gpio/gpio-xgs-iproc.c +++ b/drivers/gpio/gpio-xgs-iproc.c @@ -185,7 +185,7 @@ static irqreturn_t iproc_gpio_irq_handler(int irq, void *data) int_bits = level | event; for_each_set_bit(bit, &int_bits, gc->ngpio) - generic_handle_irq(irq_linear_revmap(gc->irq.domain, bit)); + generic_handle_domain_irq(gc->irq.domain, bit); } return int_bits ? IRQ_HANDLED : IRQ_NONE; diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index c329c3a606e8..a1b66338d077 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -538,7 +538,7 @@ static void xgpio_irqhandler(struct irq_desc *desc) for_each_set_bit(bit, all, 64) { irq_offset = xgpio_from_bit(chip, bit); - generic_handle_irq(irq_find_mapping(gc->irq.domain, irq_offset)); + generic_handle_domain_irq(gc->irq.domain, irq_offset); } chained_irq_exit(irqchip, desc); diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c index d7b16bb9e4e4..0d94d3aef752 100644 --- a/drivers/gpio/gpio-xlp.c +++ b/drivers/gpio/gpio-xlp.c @@ -216,8 +216,7 @@ static void xlp_gpio_generic_handler(struct irq_desc *desc) } if (gpio_stat & BIT(gpio % XLP_GPIO_REGSZ)) - generic_handle_irq(irq_find_mapping( - priv->chip.irq.domain, gpio)); + generic_handle_domain_irq(priv->chip.irq.domain, gpio); } chained_irq_exit(irqchip, desc); } diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index f0cb8ccd03ed..06c6401f02b8 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -628,12 +628,8 @@ static void zynq_gpio_handle_bank_irq(struct zynq_gpio *gpio, if (!pending) return; - for_each_set_bit(offset, &pending, 32) { - unsigned int gpio_irq; - - gpio_irq = irq_find_mapping(irqdomain, offset + bank_offset); - generic_handle_irq(gpio_irq); - } + for_each_set_bit(offset, &pending, 32) + generic_handle_domain_irq(irqdomain, offset + bank_offset); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 83af307e97cd..cd2e18f072fc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -502,7 +502,7 @@ void amdgpu_irq_dispatch(struct amdgpu_device *adev, } else if ((client_id == AMDGPU_IRQ_CLIENTID_LEGACY) && adev->irq.virq[src_id]) { - generic_handle_irq(irq_find_mapping(adev->irq.domain, src_id)); + generic_handle_domain_irq(adev->irq.domain, src_id); } else if (!adev->irq.client[client_id].sources) { DRM_DEBUG("Unregistered interrupt client_id: %d src_id: %d\n", diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c index 6b0a7bc87eb7..b466784d9822 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_mdss.c @@ -45,20 +45,13 @@ static void dpu_mdss_irq(struct irq_desc *desc) while (interrupts) { irq_hw_number_t hwirq = fls(interrupts) - 1; - unsigned int mapping; int rc; - mapping = irq_find_mapping(dpu_mdss->irq_controller.domain, - hwirq); - if (mapping == 0) { - DRM_ERROR("couldn't find irq mapping for %lu\n", hwirq); - break; - } - - rc = generic_handle_irq(mapping); + rc = generic_handle_domain_irq(dpu_mdss->irq_controller.domain, + hwirq); if (rc < 0) { - DRM_ERROR("handle irq fail: irq=%lu mapping=%u rc=%d\n", - hwirq, mapping, rc); + DRM_ERROR("handle irq fail: irq=%lu rc=%d\n", + hwirq, rc); break; } diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c index 09bd46ad820b..2f4895bcb0b0 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c @@ -50,8 +50,7 @@ static irqreturn_t mdss_irq(int irq, void *arg) while (intr) { irq_hw_number_t hwirq = fls(intr) - 1; - generic_handle_irq(irq_find_mapping( - mdp5_mdss->irqcontroller.domain, hwirq)); + generic_handle_domain_irq(mdp5_mdss->irqcontroller.domain, hwirq); intr &= ~(1 << hwirq); } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index d166ee262ce4..118318513e2d 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1003,19 +1003,16 @@ err_cpmem: static void ipu_irq_handle(struct ipu_soc *ipu, const int *regs, int num_regs) { unsigned long status; - int i, bit, irq; + int i, bit; for (i = 0; i < num_regs; i++) { status = ipu_cm_read(ipu, IPU_INT_STAT(regs[i])); status &= ipu_cm_read(ipu, IPU_INT_CTRL(regs[i])); - for_each_set_bit(bit, &status, 32) { - irq = irq_linear_revmap(ipu->domain, - regs[i] * 32 + bit); - if (irq) - generic_handle_irq(irq); - } + for_each_set_bit(bit, &status, 32) + generic_handle_domain_irq(ipu->domain, + regs[i] * 32 + bit); } } diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 3bde7fda755f..287da20f1231 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -2364,7 +2364,7 @@ static bool read_mailbox_0(void) for (n = 0; n < NUM_PRCMU_WAKEUPS; n++) { if (ev & prcmu_irq_bit[n]) - generic_handle_irq(irq_find_mapping(db8500_irq_domain, n)); + generic_handle_domain_irq(db8500_irq_domain, n); } r = true; break; diff --git a/drivers/mfd/fsl-imx25-tsadc.c b/drivers/mfd/fsl-imx25-tsadc.c index 5f6f0a83e1c5..37e5e02a1d05 100644 --- a/drivers/mfd/fsl-imx25-tsadc.c +++ b/drivers/mfd/fsl-imx25-tsadc.c @@ -35,10 +35,10 @@ static void mx25_tsadc_irq_handler(struct irq_desc *desc) regmap_read(tsadc->regs, MX25_TSC_TGSR, &status); if (status & MX25_TGSR_GCQ_INT) - generic_handle_irq(irq_find_mapping(tsadc->domain, 1)); + generic_handle_domain_irq(tsadc->domain, 1); if (status & MX25_TGSR_TCQ_INT) - generic_handle_irq(irq_find_mapping(tsadc->domain, 0)); + generic_handle_domain_irq(tsadc->domain, 0); chained_irq_exit(chip, desc); } diff --git a/drivers/mfd/ioc3.c b/drivers/mfd/ioc3.c index 99b9c113f964..58656837b7c6 100644 --- a/drivers/mfd/ioc3.c +++ b/drivers/mfd/ioc3.c @@ -105,19 +105,15 @@ static void ioc3_irq_handler(struct irq_desc *desc) struct ioc3_priv_data *ipd = domain->host_data; struct ioc3 __iomem *regs = ipd->regs; u32 pending, mask; - unsigned int irq; pending = readl(®s->sio_ir); mask = readl(®s->sio_ies); pending &= mask; /* Mask off not enabled interrupts */ - if (pending) { - irq = irq_find_mapping(domain, __ffs(pending)); - if (irq) - generic_handle_irq(irq); - } else { + if (pending) + generic_handle_domain_irq(domain, __ffs(pending)); + else spurious_interrupt(); - } } /* diff --git a/drivers/mfd/qcom-pm8xxx.c b/drivers/mfd/qcom-pm8xxx.c index acd172ddcbd6..ec18a04de355 100644 --- a/drivers/mfd/qcom-pm8xxx.c +++ b/drivers/mfd/qcom-pm8xxx.c @@ -122,7 +122,7 @@ bail: static int pm8xxx_irq_block_handler(struct pm_irq_chip *chip, int block) { - int pmirq, irq, i, ret = 0; + int pmirq, i, ret = 0; unsigned int bits; ret = pm8xxx_read_block_irq(chip, block, &bits); @@ -139,8 +139,7 @@ static int pm8xxx_irq_block_handler(struct pm_irq_chip *chip, int block) for (i = 0; i < 8; i++) { if (bits & (1 << i)) { pmirq = block * 8 + i; - irq = irq_find_mapping(chip->irqdomain, pmirq); - generic_handle_irq(irq); + generic_handle_domain_irq(chip->irqdomain, pmirq); } } return 0; @@ -199,7 +198,7 @@ static void pm8xxx_irq_handler(struct irq_desc *desc) static void pm8821_irq_block_handler(struct pm_irq_chip *chip, int master, int block) { - int pmirq, irq, i, ret; + int pmirq, i, ret; unsigned int bits; ret = regmap_read(chip->regmap, @@ -216,8 +215,7 @@ static void pm8821_irq_block_handler(struct pm_irq_chip *chip, for (i = 0; i < 8; i++) { if (bits & BIT(i)) { pmirq = block * 8 + i; - irq = irq_find_mapping(chip->irqdomain, pmirq); - generic_handle_irq(irq); + generic_handle_domain_irq(chip->irqdomain, pmirq); } } } diff --git a/drivers/pinctrl/actions/pinctrl-owl.c b/drivers/pinctrl/actions/pinctrl-owl.c index c8b3e396ea27..781f2200ed58 100644 --- a/drivers/pinctrl/actions/pinctrl-owl.c +++ b/drivers/pinctrl/actions/pinctrl-owl.c @@ -833,7 +833,7 @@ static void owl_gpio_irq_handler(struct irq_desc *desc) unsigned int parent = irq_desc_get_irq(desc); const struct owl_gpio_port *port; void __iomem *base; - unsigned int pin, irq, offset = 0, i; + unsigned int pin, offset = 0, i; unsigned long pending_irq; chained_irq_enter(chip, desc); @@ -849,8 +849,7 @@ static void owl_gpio_irq_handler(struct irq_desc *desc) pending_irq = readl_relaxed(base + port->intc_pd); for_each_set_bit(pin, &pending_irq, port->pins) { - irq = irq_find_mapping(domain, offset + pin); - generic_handle_irq(irq); + generic_handle_domain_irq(domain, offset + pin); /* clear pending interrupt */ owl_gpio_update_reg(base + port->intc_pd, pin, true); diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 2c87af1180c4..8b34d2c308c7 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -395,8 +395,8 @@ static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc, events &= pc->enabled_irq_map[bank]; for_each_set_bit(offset, &events, 32) { gpio = (32 * bank) + offset; - generic_handle_irq(irq_linear_revmap(pc->gpio_chip.irq.domain, - gpio)); + generic_handle_domain_irq(pc->gpio_chip.irq.domain, + gpio); } } diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c index dc511b9a6b43..a7a0dd638a26 100644 --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c @@ -176,7 +176,6 @@ static void iproc_gpio_irq_handler(struct irq_desc *desc) for_each_set_bit(bit, &val, NGPIOS_PER_BANK) { unsigned pin = NGPIOS_PER_BANK * i + bit; - int child_irq = irq_find_mapping(gc->irq.domain, pin); /* * Clear the interrupt before invoking the @@ -185,7 +184,7 @@ static void iproc_gpio_irq_handler(struct irq_desc *desc) writel(BIT(bit), chip->base + (i * GPIO_BANK_SIZE) + IPROC_GPIO_INT_CLR_OFFSET); - generic_handle_irq(child_irq); + generic_handle_domain_irq(gc->irq.domain, pin); } } diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c index a00a42a61a90..e03142895f61 100644 --- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c @@ -155,8 +155,7 @@ static irqreturn_t nsp_gpio_irq_handler(int irq, void *data) int_bits = level | event; for_each_set_bit(bit, &int_bits, gc->ngpio) - generic_handle_irq( - irq_linear_revmap(gc->irq.domain, bit)); + generic_handle_domain_irq(gc->irq.domain, bit); } return int_bits ? IRQ_HANDLED : IRQ_NONE; diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c index 394a421a19d5..8f23d126c6a7 100644 --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -1444,7 +1444,6 @@ static void byt_gpio_irq_handler(struct irq_desc *desc) u32 base, pin; void __iomem *reg; unsigned long pending; - unsigned int virq; /* check from GPIO controller which pin triggered the interrupt */ for (base = 0; base < vg->chip.ngpio; base += 32) { @@ -1460,10 +1459,8 @@ static void byt_gpio_irq_handler(struct irq_desc *desc) raw_spin_lock(&byt_lock); pending = readl(reg); raw_spin_unlock(&byt_lock); - for_each_set_bit(pin, &pending, 32) { - virq = irq_find_mapping(vg->chip.irq.domain, base + pin); - generic_handle_irq(virq); - } + for_each_set_bit(pin, &pending, 32) + generic_handle_domain_irq(vg->chip.irq.domain, base + pin); } chip->irq_eoi(data); } diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 2ed17cdf946d..980099028cf8 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1409,11 +1409,10 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) raw_spin_unlock_irqrestore(&chv_lock, flags); for_each_set_bit(intr_line, &pending, community->nirqs) { - unsigned int irq, offset; + unsigned int offset; offset = cctx->intr_lines[intr_line]; - irq = irq_find_mapping(gc->irq.domain, offset); - generic_handle_irq(irq); + generic_handle_domain_irq(gc->irq.domain, offset); } chained_irq_exit(chip, desc); diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c index 0a48ca46ab59..561fa322b0b4 100644 --- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c +++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c @@ -653,12 +653,8 @@ static void lp_gpio_irq_handler(struct irq_desc *desc) /* Only interrupts that are enabled */ pending = ioread32(reg) & ioread32(ena); - for_each_set_bit(pin, &pending, 32) { - unsigned int irq; - - irq = irq_find_mapping(lg->chip.irq.domain, base + pin); - generic_handle_irq(irq); - } + for_each_set_bit(pin, &pending, 32) + generic_handle_domain_irq(lg->chip.irq.domain, base + pin); } chip->irq_eoi(data); } diff --git a/drivers/pinctrl/mediatek/mtk-eint.c b/drivers/pinctrl/mediatek/mtk-eint.c index 3b9b5dbd7968..f7b54a551764 100644 --- a/drivers/pinctrl/mediatek/mtk-eint.c +++ b/drivers/pinctrl/mediatek/mtk-eint.c @@ -319,7 +319,7 @@ static void mtk_eint_irq_handler(struct irq_desc *desc) struct irq_chip *chip = irq_desc_get_chip(desc); struct mtk_eint *eint = irq_desc_get_handler_data(desc); unsigned int status, eint_num; - int offset, mask_offset, index, virq; + int offset, mask_offset, index; void __iomem *reg = mtk_eint_get_offset(eint, 0, eint->regs->stat); int dual_edge, start_level, curr_level; @@ -331,7 +331,6 @@ static void mtk_eint_irq_handler(struct irq_desc *desc) offset = __ffs(status); mask_offset = eint_num >> 5; index = eint_num + offset; - virq = irq_find_mapping(eint->domain, index); status &= ~BIT(offset); /* @@ -361,7 +360,7 @@ static void mtk_eint_irq_handler(struct irq_desc *desc) index); } - generic_handle_irq(virq); + generic_handle_domain_irq(eint->domain, index); if (dual_edge) { curr_level = mtk_eint_flip_edge(eint, index); diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index abfe11c7b49f..39828e9c3120 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -815,7 +815,7 @@ static void nmk_gpio_irq_handler(struct irq_desc *desc) while (status) { int bit = __ffs(status); - generic_handle_irq(irq_find_mapping(chip->irq.domain, bit)); + generic_handle_domain_irq(chip->irq.domain, bit); status &= ~BIT(bit); } diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c index bb1ea47ec4c6..4d81908d6725 100644 --- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c @@ -231,7 +231,7 @@ static void npcmgpio_irq_handler(struct irq_desc *desc) sts &= en; for_each_set_bit(bit, (const void *)&sts, NPCM7XX_GPIO_PER_BANK) - generic_handle_irq(irq_linear_revmap(gc->irq.domain, bit)); + generic_handle_domain_irq(gc->irq.domain, bit); chained_irq_exit(chip, desc); } diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index a76be6cc26ee..11625ed1c6c5 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -621,14 +621,12 @@ static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) if (!(regval & PIN_IRQ_PENDING) || !(regval & BIT(INTERRUPT_MASK_OFF))) continue; - irq = irq_find_mapping(gc->irq.domain, irqnr + i); - if (irq != 0) - generic_handle_irq(irq); + generic_handle_domain_irq(gc->irq.domain, irqnr + i); /* Clear interrupt. * We must read the pin register again, in case the * value was changed while executing - * generic_handle_irq() above. + * generic_handle_domain_irq() above. * If we didn't find a mapping for the interrupt, * disable it in order to avoid a system hang caused * by an interrupt storm. diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 72e6df7abe8c..6022496bb6a9 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1712,10 +1712,8 @@ static void gpio_irq_handler(struct irq_desc *desc) continue; } - for_each_set_bit(n, &isr, BITS_PER_LONG) { - generic_handle_irq(irq_find_mapping( - gpio_chip->irq.domain, n)); - } + for_each_set_bit(n, &isr, BITS_PER_LONG) + generic_handle_domain_irq(gpio_chip->irq.domain, n); } chained_irq_exit(chip, desc); /* now it may re-trigger */ diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c index 38cc20fa9d5a..fb713f9c53d0 100644 --- a/drivers/pinctrl/pinctrl-equilibrium.c +++ b/drivers/pinctrl/pinctrl-equilibrium.c @@ -155,7 +155,7 @@ static void eqbr_irq_handler(struct irq_desc *desc) pins = readl(gctrl->membase + GPIO_IRNCR); for_each_set_bit(offset, &pins, gc->ngpio) - generic_handle_irq(irq_find_mapping(gc->irq.domain, offset)); + generic_handle_domain_irq(gc->irq.domain, offset); chained_irq_exit(ic, desc); } diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c index 983ba9865f77..ce9cc719c395 100644 --- a/drivers/pinctrl/pinctrl-ingenic.c +++ b/drivers/pinctrl/pinctrl-ingenic.c @@ -3080,7 +3080,7 @@ static void ingenic_gpio_irq_handler(struct irq_desc *desc) flag = ingenic_gpio_read_reg(jzgc, JZ4730_GPIO_GPFR); for_each_set_bit(i, &flag, 32) - generic_handle_irq(irq_linear_revmap(gc->irq.domain, i)); + generic_handle_domain_irq(gc->irq.domain, i); chained_irq_exit(irq_chip, desc); } diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c index 165cb7a59715..072bccdea2a5 100644 --- a/drivers/pinctrl/pinctrl-microchip-sgpio.c +++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c @@ -673,7 +673,7 @@ static void sgpio_irq_handler(struct irq_desc *desc) for_each_set_bit(port, &val, SGPIO_BITS_PER_WORD) { gpio = sgpio_addr_to_pin(priv, port, bit); - generic_handle_irq(irq_linear_revmap(chip->irq.domain, gpio)); + generic_handle_domain_irq(chip->irq.domain, gpio); } chained_irq_exit(parent_chip, desc); diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index e470c16718de..0a36ec8775a3 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -1290,8 +1290,7 @@ static void ocelot_irq_handler(struct irq_desc *desc) for_each_set_bit(irq, &irqs, min(32U, info->desc->npins - 32 * i)) - generic_handle_irq(irq_linear_revmap(chip->irq.domain, - irq + 32 * i)); + generic_handle_domain_irq(chip->irq.domain, irq + 32 * i); chained_irq_exit(parent_chip, desc); } diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c index 5a312279b3c7..cebd810bd6d1 100644 --- a/drivers/pinctrl/pinctrl-oxnas.c +++ b/drivers/pinctrl/pinctrl-oxnas.c @@ -1055,7 +1055,7 @@ static void oxnas_gpio_irq_handler(struct irq_desc *desc) stat = readl(bank->reg_base + IRQ_PENDING); for_each_set_bit(pin, &stat, BITS_PER_LONG) - generic_handle_irq(irq_linear_revmap(gc->irq.domain, pin)); + generic_handle_domain_irq(gc->irq.domain, pin); chained_irq_exit(chip, desc); } diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c index a6e2a4a4ca95..748dabd8db6e 100644 --- a/drivers/pinctrl/pinctrl-pic32.c +++ b/drivers/pinctrl/pinctrl-pic32.c @@ -2101,7 +2101,7 @@ static void pic32_gpio_irq_handler(struct irq_desc *desc) pending = pic32_gpio_get_pending(gc, stat); for_each_set_bit(pin, &pending, BITS_PER_LONG) - generic_handle_irq(irq_linear_revmap(gc->irq.domain, pin)); + generic_handle_domain_irq(gc->irq.domain, pin); chained_irq_exit(chip, desc); } diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index ec761ba2a2da..8d271c6b0ca4 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -1306,7 +1306,7 @@ static void pistachio_gpio_irq_handler(struct irq_desc *desc) pending = gpio_readl(bank, GPIO_INTERRUPT_STATUS) & gpio_readl(bank, GPIO_INTERRUPT_EN); for_each_set_bit(pin, &pending, 16) - generic_handle_irq(irq_linear_revmap(gc->irq.domain, pin)); + generic_handle_domain_irq(gc->irq.domain, pin); chained_irq_exit(chip, desc); } diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index 067fc4208de4..d67aa53d0dce 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2951,18 +2951,11 @@ static void rockchip_irq_demux(struct irq_desc *desc) pend = readl_relaxed(bank->reg_base + GPIO_INT_STATUS); while (pend) { - unsigned int irq, virq; + unsigned int irq; + int ret; irq = __ffs(pend); pend &= ~BIT(irq); - virq = irq_find_mapping(bank->domain, irq); - - if (!virq) { - dev_err(bank->drvdata->dev, "unmapped irq %d\n", irq); - continue; - } - - dev_dbg(bank->drvdata->dev, "handling irq %d\n", irq); /* * Triggering IRQ on both rising and falling edge @@ -2993,7 +2986,9 @@ static void rockchip_irq_demux(struct irq_desc *desc) } while ((data & BIT(irq)) != (data_old & BIT(irq))); } - generic_handle_irq(virq); + ret = generic_handle_domain_irq(bank->domain, irq); + if (unlikely(ret)) + dev_err_ratelimited(bank->drvdata->dev, "unmapped irq %d\n", irq); } chained_irq_exit(chip, desc); diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index e3aa64798f7d..aa6e72214609 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1491,8 +1491,8 @@ static int pcs_irq_handle(struct pcs_soc_data *pcs_soc) mask = pcs->read(pcswi->reg); raw_spin_unlock(&pcs->lock); if (mask & pcs_soc->irq_status_mask) { - generic_handle_irq(irq_find_mapping(pcs->domain, - pcswi->hwirq)); + generic_handle_domain_irq(pcs->domain, + pcswi->hwirq); count++; } } diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 43d9e6c7fd81..fa3edb4b898a 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1420,7 +1420,7 @@ static void __gpio_irq_handler(struct st_gpio_bank *bank) continue; } - generic_handle_irq(irq_find_mapping(bank->gpio_chip.irq.domain, n)); + generic_handle_domain_irq(bank->gpio_chip.irq.domain, n); } } } diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index d70caecd21d2..8476a8ac4451 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -1177,7 +1177,6 @@ static void msm_gpio_irq_handler(struct irq_desc *desc) const struct msm_pingroup *g; struct msm_pinctrl *pctrl = gpiochip_get_data(gc); struct irq_chip *chip = irq_desc_get_chip(desc); - int irq_pin; int handled = 0; u32 val; int i; @@ -1192,8 +1191,7 @@ static void msm_gpio_irq_handler(struct irq_desc *desc) g = &pctrl->soc->groups[i]; val = msm_readl_intr_status(pctrl, g); if (val & BIT(g->intr_status_bit)) { - irq_pin = irq_find_mapping(gc->irq.domain, i); - generic_handle_irq(irq_pin); + generic_handle_domain_irq(gc->irq.domain, i); handled++; } } diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 2b99f4130e1e..0489c899b401 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -246,7 +246,8 @@ static irqreturn_t exynos_eint_gpio_irq(int irq, void *data) { struct samsung_pinctrl_drv_data *d = data; struct samsung_pin_bank *bank = d->pin_banks; - unsigned int svc, group, pin, virq; + unsigned int svc, group, pin; + int ret; svc = readl(bank->eint_base + EXYNOS_SVC_OFFSET); group = EXYNOS_SVC_GROUP(svc); @@ -256,10 +257,10 @@ static irqreturn_t exynos_eint_gpio_irq(int irq, void *data) return IRQ_HANDLED; bank += (group - 1); - virq = irq_linear_revmap(bank->irq_domain, pin); - if (!virq) + ret = generic_handle_domain_irq(bank->irq_domain, pin); + if (ret) return IRQ_NONE; - generic_handle_irq(virq); + return IRQ_HANDLED; } @@ -473,12 +474,10 @@ static void exynos_irq_eint0_15(struct irq_desc *desc) struct exynos_weint_data *eintd = irq_desc_get_handler_data(desc); struct samsung_pin_bank *bank = eintd->bank; struct irq_chip *chip = irq_desc_get_chip(desc); - int eint_irq; chained_irq_enter(chip, desc); - eint_irq = irq_linear_revmap(bank->irq_domain, eintd->irq); - generic_handle_irq(eint_irq); + generic_handle_domain_irq(bank->irq_domain, eintd->irq); chained_irq_exit(chip, desc); } @@ -490,7 +489,7 @@ static inline void exynos_irq_demux_eint(unsigned int pend, while (pend) { irq = fls(pend) - 1; - generic_handle_irq(irq_find_mapping(domain, irq)); + generic_handle_domain_irq(domain, irq); pend &= ~(1 << irq); } } diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c index 00d77d6946b5..ac1eba30cf40 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c @@ -234,14 +234,12 @@ static void s3c2410_demux_eint0_3(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc); - unsigned int virq; + int ret; /* the first 4 eints have a simple 1 to 1 mapping */ - virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq); + ret = generic_handle_domain_irq(eint_data->domains[data->hwirq], data->hwirq); /* Something must be really wrong if an unmapped EINT is unmasked */ - BUG_ON(!virq); - - generic_handle_irq(virq); + BUG_ON(ret); } /* Handling of EINTs 0-3 on S3C2412 and S3C2413 */ @@ -290,16 +288,14 @@ static void s3c2412_demux_eint0_3(struct irq_desc *desc) struct s3c24xx_eint_data *eint_data = irq_desc_get_handler_data(desc); struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); - unsigned int virq; + int ret; chained_irq_enter(chip, desc); /* the first 4 eints have a simple 1 to 1 mapping */ - virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq); + ret = generic_handle_domain_irq(eint_data->domains[data->hwirq], data->hwirq); /* Something must be really wrong if an unmapped EINT is unmasked */ - BUG_ON(!virq); - - generic_handle_irq(virq); + BUG_ON(ret); chained_irq_exit(chip, desc); } @@ -364,15 +360,14 @@ static inline void s3c24xx_demux_eint(struct irq_desc *desc, pend &= range; while (pend) { - unsigned int virq, irq; + unsigned int irq; + int ret; irq = __ffs(pend); pend &= ~(1 << irq); - virq = irq_linear_revmap(data->domains[irq], irq - offset); + ret = generic_handle_domain_irq(data->domains[irq], irq - offset); /* Something is really wrong if an unmapped EINT is unmasked */ - BUG_ON(!virq); - - generic_handle_irq(virq); + BUG_ON(ret); } chained_irq_exit(chip, desc); diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index 53e2a6412add..c5f95a1071ae 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -414,7 +414,7 @@ static void s3c64xx_eint_gpio_irq(struct irq_desc *desc) unsigned int svc; unsigned int group; unsigned int pin; - unsigned int virq; + int ret; svc = readl(drvdata->virt_base + SERVICE_REG); group = SVC_GROUP(svc); @@ -431,14 +431,12 @@ static void s3c64xx_eint_gpio_irq(struct irq_desc *desc) pin -= 8; } - virq = irq_linear_revmap(data->domains[group], pin); + ret = generic_handle_domain_irq(data->domains[group], pin); /* * Something must be really wrong if an unmapped EINT * was unmasked... */ - BUG_ON(!virq); - - generic_handle_irq(virq); + BUG_ON(ret); } while (1); chained_irq_exit(chip, desc); @@ -607,18 +605,17 @@ static inline void s3c64xx_irq_demux_eint(struct irq_desc *desc, u32 range) pend &= range; while (pend) { - unsigned int virq, irq; + unsigned int irq; + int ret; irq = fls(pend) - 1; pend &= ~(1 << irq); - virq = irq_linear_revmap(data->domains[irq], data->pins[irq]); + ret = generic_handle_domain_irq(data->domains[irq], data->pins[irq]); /* * Something must be really wrong if an unmapped EINT * was unmasked... */ - BUG_ON(!virq); - - generic_handle_irq(virq); + BUG_ON(ret); } chained_irq_exit(chip, desc); diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c index 1ebbc49b16f1..43bb334af1e1 100644 --- a/drivers/pinctrl/spear/pinctrl-plgpio.c +++ b/drivers/pinctrl/spear/pinctrl-plgpio.c @@ -400,8 +400,7 @@ static void plgpio_irq_handler(struct irq_desc *desc) /* get correct irq line number */ pin = i * MAX_GPIO_PER_REG + pin; - generic_handle_irq( - irq_find_mapping(gc->irq.domain, pin)); + generic_handle_domain_irq(gc->irq.domain, pin); } } chained_irq_exit(irqchip, desc); diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index dc8d39ae045b..baa4058e024e 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -1149,11 +1149,9 @@ static void sunxi_pinctrl_irq_handler(struct irq_desc *desc) if (val) { int irqoffset; - for_each_set_bit(irqoffset, &val, IRQ_PER_BANK) { - int pin_irq = irq_find_mapping(pctl->domain, - bank * IRQ_PER_BANK + irqoffset); - generic_handle_irq(pin_irq); - } + for_each_set_bit(irqoffset, &val, IRQ_PER_BANK) + generic_handle_domain_irq(pctl->domain, + bank * IRQ_PER_BANK + irqoffset); } chained_irq_exit(chip, desc); |