From 5aac2d3368210f15c2fc73f158e2110a0bb611ca Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 14 Sep 2015 10:11:26 +0200 Subject: powerpc/mpc5121_ads_cpld: Prepare irq handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu Cc: Anatolij Gustschin Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index 11090ab..cf82874 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -105,8 +105,10 @@ cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, } static void -cpld_pic_cascade(unsigned int irq, struct irq_desc *desc) +cpld_pic_cascade(unsigned int __irq, struct irq_desc *desc) { + unsigned int irq; + irq = cpld_pic_get_irq(0, PCI_IGNORE, &cpld_regs->pci_status, &cpld_regs->pci_mask); if (irq != NO_IRQ) { -- cgit v0.10.2 From 0a0dbd92584061549d9775030269365dc16ad289 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 14 Sep 2015 10:13:42 +0200 Subject: powerpc/85xx: Prepare irq handlers for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu Cc: Scott Wood Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index b0753e2..13a8d1a 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -192,9 +192,10 @@ void mpc85xx_cds_fixup_bus(struct pci_bus *bus) } #ifdef CONFIG_PPC_I8259 -static void mpc85xx_8259_cascade_handler(unsigned int irq, +static void mpc85xx_8259_cascade_handler(unsigned int __irq, struct irq_desc *desc) { + unsigned int irq = irq_desc_get_irq(desc); unsigned int cascade_irq = i8259_irq(); if (cascade_irq != NO_IRQ) diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c index 55a9682..d78fda8 100644 --- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c +++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c @@ -91,9 +91,10 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq) (irq_hw_number_t)i); } -void socrates_fpga_pic_cascade(unsigned int irq, struct irq_desc *desc) +void socrates_fpga_pic_cascade(unsigned int __irq, struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); + unsigned int irq = irq_desc_get_irq(desc); unsigned int cascade_irq; /* -- cgit v0.10.2 From 391de7f9ef9e6a500343d977ccd037b70e62aa45 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 14 Sep 2015 10:17:00 +0200 Subject: powerpc/cell: Prepare irq handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu Cc: Arnd Bergmann Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index a15f1ef..6558e7e 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -99,11 +99,12 @@ static void iic_ioexc_eoi(struct irq_data *d) { } -static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc) +static void iic_ioexc_cascade(unsigned int __irq, struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct cbe_iic_regs __iomem *node_iic = (void __iomem *)irq_desc_get_handler_data(desc); + unsigned int irq = irq_desc_get_irq(desc); unsigned int base = (irq & 0xffffff00) | IIC_IRQ_TYPE_IOEXC; unsigned long bits, ack; int cascade; -- cgit v0.10.2 From 5230347ea70a811f0a526e8e4f0f529ac31b7d18 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 14 Sep 2015 10:27:13 +0200 Subject: soc: dove: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc Search and replace done with coccinelle Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c index 6792aae..4decb26 100644 --- a/drivers/soc/dove/pmu.c +++ b/drivers/soc/dove/pmu.c @@ -224,7 +224,7 @@ static void __pmu_domain_register(struct pmu_domain *domain, /* PMU IRQ controller */ static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) { - struct pmu_data *pmu = irq_get_handler_data(irq); + struct pmu_data *pmu = irq_desc_get_handler_data(desc); struct irq_chip_generic *gc = pmu->irq_gc; struct irq_domain *domain = pmu->irq_domain; void __iomem *base = gc->reg_base; -- cgit v0.10.2 From b838c950b397ebed94eb11b473f1f17428a1443d Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 14 Sep 2015 10:20:25 +0200 Subject: soc: dove: Prepare irq handler for irq argument removal The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu Cc: Gregory CLEMENT diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c index 4decb26..6bc13f9 100644 --- a/drivers/soc/dove/pmu.c +++ b/drivers/soc/dove/pmu.c @@ -232,7 +232,7 @@ static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) u32 done = ~0; if (stat == 0) { - handle_bad_irq(irq, desc); + handle_bad_irq(irq_desc_get_irq(desc), desc); return; } -- cgit v0.10.2 From da92b4eb7e2ec9866f14a0c8f453788e8052dee7 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 1 Jun 2015 16:05:33 +0800 Subject: powerpc, irq: Use access helper irq_data_get_affinity_mask() Use access helper irq_data_get_affinity_mask() so we can move the affinity mask to irq_common_data. Signed-off-by: Jiang Liu Cc: Benjamin Herrenschmidt Cc: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org Link: http://lkml.kernel.org/r/1433145945-789-25-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 4509603..290559d 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -441,7 +441,7 @@ void migrate_irqs(void) chip = irq_data_get_irq_chip(data); - cpumask_and(mask, data->affinity, map); + cpumask_and(mask, irq_data_get_affinity_mask(data), map); if (cpumask_any(mask) >= nr_cpu_ids) { pr_warn("Breaking affinity for irq %i\n", irq); cpumask_copy(mask, map); diff --git a/arch/powerpc/sysdev/xics/ics-opal.c b/arch/powerpc/sysdev/xics/ics-opal.c index 11ac964..27c936c 100644 --- a/arch/powerpc/sysdev/xics/ics-opal.c +++ b/arch/powerpc/sysdev/xics/ics-opal.c @@ -54,7 +54,7 @@ static void ics_opal_unmask_irq(struct irq_data *d) if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS) return; - server = xics_get_irq_server(d->irq, d->affinity, 0); + server = xics_get_irq_server(d->irq, irq_data_get_affinity_mask(d), 0); server = ics_opal_mangle_server(server); rc = opal_set_xive(hw_irq, server, DEFAULT_PRIORITY); diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c index d1c625c..3854dd4 100644 --- a/arch/powerpc/sysdev/xics/ics-rtas.c +++ b/arch/powerpc/sysdev/xics/ics-rtas.c @@ -47,7 +47,7 @@ static void ics_rtas_unmask_irq(struct irq_data *d) if (hw_irq == XICS_IPI || hw_irq == XICS_IRQ_SPURIOUS) return; - server = xics_get_irq_server(d->irq, d->affinity, 0); + server = xics_get_irq_server(d->irq, irq_data_get_affinity_mask(d), 0); call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hw_irq, server, DEFAULT_PRIORITY); -- cgit v0.10.2 From dc2ec62f75fd9be78d07b3b453aeb0d201ead419 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 15 Sep 2015 13:34:05 +0200 Subject: net/mlx4_en: Use access helper irq_data_get_affinity_mask() This is a preparatory patch for moving irq_data struct members. Search and replace was done with coccinelle Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu Cc: Amir Vadai diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 4402a1e..4c7de8c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1047,13 +1047,15 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget) /* If we used up all the quota - we're probably not done yet... */ if (done == budget) { - int cpu_curr; const struct cpumask *aff; + struct irq_data *idata; + int cpu_curr; INC_PERF_COUNTER(priv->pstats.napi_quota); cpu_curr = smp_processor_id(); - aff = irq_desc_get_irq_data(cq->irq_desc)->affinity; + idata = irq_desc_get_irq_data(cq->irq_desc); + aff = irq_data_get_affinity_mask(idata); if (likely(cpumask_test_cpu(cpu_curr, aff))) return budget; -- cgit v0.10.2 From e4084a16bbe07957811c75dfb7c9bf25c5862ba0 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Sun, 13 Sep 2015 13:37:03 +0100 Subject: platform-msi: Do not cache msi_desc in handler_data The current implementation of platform MSI caches the msi_desc pointer in irq_data::handler_data. This is a bit silly, as we also have irq_data::msi_desc, which is perfectly valid. Remove the useless assignment and simplify the whole flow. Reported-by: Ma Jun Signed-off-by: Marc Zyngier Reviewed-by: Jiang Liu Link: http://lkml.kernel.org/r/1442147824-20971-1-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c index 1857a5d..134483d 100644 --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -63,20 +63,8 @@ static int platform_msi_init(struct irq_domain *domain, unsigned int virq, irq_hw_number_t hwirq, msi_alloc_info_t *arg) { - struct irq_data *data; - - irq_domain_set_hwirq_and_chip(domain, virq, hwirq, - info->chip, info->chip_data); - - /* - * Save the MSI descriptor in handler_data so that the - * irq_write_msi_msg callback can retrieve it (and the - * associated device). - */ - data = irq_domain_get_irq_data(domain, virq); - data->handler_data = arg->desc; - - return 0; + return irq_domain_set_hwirq_and_chip(domain, virq, hwirq, + info->chip, info->chip_data); } #else #define platform_msi_set_desc NULL @@ -97,7 +85,7 @@ static void platform_msi_update_dom_ops(struct msi_domain_info *info) static void platform_msi_write_msg(struct irq_data *data, struct msi_msg *msg) { - struct msi_desc *desc = irq_data_get_irq_handler_data(data); + struct msi_desc *desc = irq_data_get_msi_desc(data); struct platform_msi_priv_data *priv_data; priv_data = desc->platform.msi_priv_data; -- cgit v0.10.2 From 12e14066f4835f5ee1ca795f0309415b54c067a9 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Sun, 13 Sep 2015 12:14:31 +0100 Subject: irqchip/GIC: Add workaround for aliased GIC400 The GICv2 architecture mandates that the two 4kB GIC regions are contiguous, and on two separate physical pages (so that access to the second page can be trapped by a hypervisor). This doesn't work very well when PAGE_SIZE is 64kB. A relatively common hack^Wway to work around this is to alias each 4kB region over its own 64kB page. Of course in this case, the base address you want to use is not really the begining of the region, but base + 60kB (so that you get a contiguous 8kB region over two distinct pages). Normally, this would be described in DT with a new property, but some HW is already out there, and the firmware makes sure that it will override whatever you put in the GIC node. Duh. And of course, said firmware source code is not available, despite being based on u-boot. The workaround is to detect the case where the CPU interface size is set to 128kB, and verify the aliasing by checking that the ID register for GIC400 (which is the only GIC wired this way so far) is the same at base and base + 0xF000. In this case, we update the GIC base address and let it roll. And if you feel slightly sick by looking at this, rest assured that I do too... Reported-by: Julien Grall Signed-off-by: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org Cc: Stuart Yoder Cc: Pavel Fedin Cc: Jason Cooper Link: http://lkml.kernel.org/r/1442142873-20213-2-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index e6b7ed5..a947057 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1119,12 +1119,49 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start, #ifdef CONFIG_OF static int gic_cnt __initdata; +static bool gic_check_eoimode(struct device_node *node, void __iomem **base) +{ + struct resource cpuif_res; + + of_address_to_resource(node, 1, &cpuif_res); + + if (!is_hyp_mode_available()) + return false; + if (resource_size(&cpuif_res) < SZ_8K) + return false; + if (resource_size(&cpuif_res) == SZ_128K) { + u32 val_low, val_high; + + /* + * Verify that we have the first 4kB of a GIC400 + * aliased over the first 64kB by checking the + * GICC_IIDR register on both ends. + */ + val_low = readl_relaxed(*base + GIC_CPU_IDENT); + val_high = readl_relaxed(*base + GIC_CPU_IDENT + 0xf000); + if ((val_low & 0xffff0fff) != 0x0202043B || + val_low != val_high) + return false; + + /* + * Move the base up by 60kB, so that we have a 8kB + * contiguous region, which allows us to use GICC_DIR + * at its normal offset. Please pass me that bucket. + */ + *base += 0xf000; + cpuif_res.start += 0xf000; + pr_warn("GIC: Adjusting CPU interface base to %pa", + &cpuif_res.start); + } + + return true; +} + static int __init gic_of_init(struct device_node *node, struct device_node *parent) { void __iomem *cpu_base; void __iomem *dist_base; - struct resource cpu_res; u32 percpu_offset; int irq; @@ -1137,14 +1174,11 @@ gic_of_init(struct device_node *node, struct device_node *parent) cpu_base = of_iomap(node, 1); WARN(!cpu_base, "unable to map gic cpu registers\n"); - of_address_to_resource(node, 1, &cpu_res); - /* * Disable split EOI/Deactivate if either HYP is not available * or the CPU interface is too small. */ - if (gic_cnt == 0 && (!is_hyp_mode_available() || - resource_size(&cpu_res) < SZ_8K)) + if (gic_cnt == 0 && !gic_check_eoimode(node, &cpu_base)) static_key_slow_dec(&supports_deactivate); if (of_property_read_u32(node, "cpu-offset", &percpu_offset)) -- cgit v0.10.2 From 5a9a8915c8888b615521b17d70a4342187eae60b Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Sun, 13 Sep 2015 12:14:32 +0100 Subject: irqchip/gic-v3-its: Add missing cache flushes When the ITS is configured for non-cacheable transactions, make sure that the allocated, zeroed memory is flushed to the Point of Coherency, allowing the ITS to observe the zeros instead of random garbage (or even get its own data overwritten by zeros being evicted from the cache...). Fixes: 241a386c7dbb "irqchip: gicv3-its: Use non-cacheable accesses when no shareability" Reported-and-tested-by: Stuart Yoder Signed-off-by: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org Cc: Pavel Fedin Cc: Jason Cooper Link: http://lkml.kernel.org/r/1442142873-20213-3-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 26b55c5..ac7ae2b 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -898,8 +898,10 @@ retry_baser: * non-cacheable as well. */ shr = tmp & GITS_BASER_SHAREABILITY_MASK; - if (!shr) + if (!shr) { cache = GITS_BASER_nC; + __flush_dcache_area(base, alloc_size); + } goto retry_baser; } @@ -1140,6 +1142,8 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, return NULL; } + __flush_dcache_area(itt, sz); + dev->its = its; dev->itt = itt; dev->nr_ites = nr_ites; -- cgit v0.10.2 From 157add60cb35913b8a848a3d7e6456b8ed134796 Mon Sep 17 00:00:00 2001 From: Pavel Fedin Date: Sun, 13 Sep 2015 12:14:33 +0100 Subject: irqchip/GICv2m: Fix GICv2m build warning on 32 bits After GICv2m was enabled for 32-bit ARM kernel, a warning popped up: drivers/irqchip/irq-gic-v2m.c: In function gicv2m_compose_msi_msg: drivers/irqchip/irq-gic-v2m.c:100:2: warning: right shift count >= width of type [enabled by default] msg->address_hi = (u32) (addr >> 32); ^ This patch fixes it by using proper macros for splitting up the value. Signed-off-by: Pavel Fedin Reviewed-by: Marc Zyngier Signed-off-by: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org Cc: Stuart Yoder Cc: Jason Cooper Link: http://lkml.kernel.org/r/1442142873-20213-4-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index db04fc1..12985da 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -95,8 +95,8 @@ static void gicv2m_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) struct v2m_data *v2m = irq_data_get_irq_chip_data(data); phys_addr_t addr = v2m->res.start + V2M_MSI_SETSPI_NS; - msg->address_hi = (u32) (addr >> 32); - msg->address_lo = (u32) (addr); + msg->address_hi = upper_32_bits(addr); + msg->address_lo = lower_32_bits(addr); msg->data = data->hwirq; } -- cgit v0.10.2 From b1370658804510f6a1c0517a8ff1c9534d371edd Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 9 Sep 2015 13:42:53 +0200 Subject: irqchip/renesas-irqc: Use a separate lockdep class The renesas-irqc interrupt controller is cascaded to the GIC. Hence when propagating wake-up settings to its parent interrupt controller, the following lockdep warning is printed: ============================================= [ INFO: possible recursive locking detected ] 4.2.0-ape6evm-10725-g50fcd7643c034198 #280 Not tainted --------------------------------------------- s2ram/1072 is trying to acquire lock: (&irq_desc_lock_class){-.-...}, at: [] __irq_get_desc_lock+0x58/0x98 but task is already holding lock: (&irq_desc_lock_class){-.-...}, at: [] __irq_get_desc_lock+0x58/0x98 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&irq_desc_lock_class); lock(&irq_desc_lock_class); *** DEADLOCK *** May be due to missing lock nesting notation 6 locks held by s2ram/1072: #0: (sb_writers#7){.+.+.+}, at: [] __sb_start_write+0xa0/0xa8 #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0x4c/0x1bc #2: (s_active#24){.+.+.+}, at: [] kernfs_fop_write+0x54/0x1bc #3: (pm_mutex){+.+.+.}, at: [] pm_suspend+0x10c/0x510 #4: (&dev->mutex){......}, at: [] __device_suspend+0xdc/0x2cc #5: (&irq_desc_lock_class){-.-...}, at: [] __irq_get_desc_lock+0x58/0x98 stack backtrace: CPU: 0 PID: 1072 Comm: s2ram Not tainted 4.2.0-ape6evm-10725-g50fcd7643c034198 #280 Hardware name: Generic R8A73A4 (Flattened Device Tree) [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [] (show_stack) from [] (dump_stack+0x88/0x98) [] (dump_stack) from [] (__lock_acquire+0x15cc/0x20e4) [] (__lock_acquire) from [] (lock_acquire+0xac/0x12c) [] (lock_acquire) from [] (_raw_spin_lock_irqsave+0x40/0x54) [] (_raw_spin_lock_irqsave) from [] (__irq_get_desc_lock+0x58/0x98) [] (__irq_get_desc_lock) from [] (irq_set_irq_wake+0x20/0xf8) [] (irq_set_irq_wake) from [] (irqc_irq_set_wake+0x20/0x4c) [] (irqc_irq_set_wake) from [] (irq_set_irq_wake+0x8c/0xf8) [] (irq_set_irq_wake) from [] (gpio_keys_suspend+0x74/0xc0) [] (gpio_keys_suspend) from [] (dpm_run_callback+0x54/0x124) Avoid this false positive by using a separate lockdep class for IRQC interrupts. Signed-off-by: Geert Uytterhoeven Cc: Grygorii Strashko Cc: Magnus Damm Cc: Jason Cooper Link: http://lkml.kernel.org/r/1441798974-25716-2-git-send-email-geert%2Brenesas@glider.be Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 2aa3add..4652cc3 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -150,6 +150,12 @@ static irqreturn_t irqc_irq_handler(int irq, void *dev_id) return IRQ_NONE; } +/* + * This lock class tells lockdep that IRQC irqs are in a different + * category than their parents, so it won't report false recursion. + */ +static struct lock_class_key irqc_irq_lock_class; + static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { @@ -157,6 +163,7 @@ static int irqc_irq_domain_map(struct irq_domain *h, unsigned int virq, irqc_dbg(&p->irq[hw], "map"); irq_set_chip_data(virq, h->host_data); + irq_set_lockdep_class(virq, &irqc_irq_lock_class); irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq); return 0; } -- cgit v0.10.2 From 769b5cf78e6c653c2f513649ee6c4e7a06723872 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 9 Sep 2015 13:42:54 +0200 Subject: irqchip/renesas-intc-irqpin: Use a separate lockdep class The renesas-intc-irqpin interrupt controller is cascaded to the GIC. Hence when propagating wake-up settings to its parent interrupt controller, the following lockdep warning is printed: ============================================= [ INFO: possible recursive locking detected ] 4.2.0-armadillo-10725-g50fcd7643c034198 #781 Not tainted --------------------------------------------- s2ram/1179 is trying to acquire lock: (&irq_desc_lock_class){-.-...}, at: [] __irq_get_desc_lock+0x78/0x94 but task is already holding lock: (&irq_desc_lock_class){-.-...}, at: [] __irq_get_desc_lock+0x78/0x94 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&irq_desc_lock_class); lock(&irq_desc_lock_class); *** DEADLOCK *** May be due to missing lock nesting notation 7 locks held by s2ram/1179: #0: (sb_writers#7){.+.+.+}, at: [] __sb_start_write+0x64/0xb8 #1: (&of->mutex){+.+.+.}, at: [] kernfs_fop_write+0x78/0x1a0 #2: (s_active#23){.+.+.+}, at: [] kernfs_fop_write+0x80/0x1a0 #3: (autosleep_lock){+.+.+.}, at: [] pm_autosleep_lock+0x18/0x20 #4: (pm_mutex){+.+.+.}, at: [] pm_suspend+0x54/0x248 #5: (&dev->mutex){......}, at: [] __device_suspend+0xdc/0x240 #6: (&irq_desc_lock_class){-.-...}, at: [] __irq_get_desc_lock+0x78/0x94 stack backtrace: CPU: 0 PID: 1179 Comm: s2ram Not tainted 4.2.0-armadillo-10725-g50fcd7643c034198 Hardware name: Generic R8A7740 (Flattened Device Tree) [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [] (show_stack) from [] (dump_stack+0x20/0x28) [] (dump_stack) from [] (__lock_acquire+0x67c/0x1b88) [] (__lock_acquire) from [] (lock_acquire+0x9c/0xbc) [] (lock_acquire) from [] (_raw_spin_lock_irqsave+0x44/0x58) [] (_raw_spin_lock_irqsave) from [] (__irq_get_desc_lock+0x78/0x94 [] (__irq_get_desc_lock) from [] (irq_set_irq_wake+0x28/0x100) [] (irq_set_irq_wake) from [] (intc_irqpin_irq_set_wake+0x24/0x4c) [] (intc_irqpin_irq_set_wake) from [] (set_irq_wake_real+0x3c/0x50 [] (set_irq_wake_real) from [] (irq_set_irq_wake+0x64/0x100) [] (irq_set_irq_wake) from [] (gpio_keys_suspend+0x60/0xa0) [] (gpio_keys_suspend) from [] (platform_pm_suspend+0x3c/0x5c) Avoid this false positive by using a separate lockdep class for INTC External IRQ Pin interrupts. Signed-off-by: Geert Uytterhoeven Cc: Grygorii Strashko Cc: Magnus Damm Cc: Jason Cooper Link: http://lkml.kernel.org/r/1441798974-25716-3-git-send-email-geert%2Brenesas@glider.be Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index 0670ab4..67797ee 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -332,6 +332,12 @@ static irqreturn_t intc_irqpin_shared_irq_handler(int irq, void *dev_id) return status; } +/* + * This lock class tells lockdep that INTC External IRQ Pin irqs are in a + * different category than their parents, so it won't report false recursion. + */ +static struct lock_class_key intc_irqpin_irq_lock_class; + static int intc_irqpin_irq_domain_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { @@ -342,6 +348,7 @@ static int intc_irqpin_irq_domain_map(struct irq_domain *h, unsigned int virq, intc_irqpin_dbg(&p->irq[hw], "map"); irq_set_chip_data(virq, h->host_data); + irq_set_lockdep_class(virq, &intc_irqpin_irq_lock_class); irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq); set_irq_flags(virq, IRQF_VALID); /* kill me now */ return 0; -- cgit v0.10.2 From f4e209cdc7a00f934007f40cf885471799073b0d Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 8 Sep 2015 19:00:35 +0200 Subject: irqchip/renesas-intc-irqpin: Propagate wake-up settings to parent The renesas-intc-irqpin interrupt controller is cascaded to the GIC, but its driver doesn't propagate wake-up settings to the parent interrupt controller. Since commit aec89ef72ba6c944 ("irqchip/gic: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND"), the GIC driver masks interrupts during suspend, and wake-up through gpio-keys now fails on r8a7740/armadillo and sh73a0/kzm9g. Fix this by propagating wake-up settings to the parent interrupt controller. There's no need to handle irq_set_irq_wake() failures, as the renesas-intc-irqpin interrupt controller is always cascaded to a GIC, and the GIC driver always sets SKIP_SET_WAKE since the aforementioned commit. Signed-off-by: Geert Uytterhoeven Cc: Sudeep Holla Cc: Magnus Damm Cc: Jason Cooper Cc: Marc Zyngier Link: http://lkml.kernel.org/r/1441731636-17610-2-git-send-email-geert%2Brenesas@glider.be Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index 67797ee..d3546a6 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -283,6 +283,9 @@ static int intc_irqpin_irq_set_type(struct irq_data *d, unsigned int type) static int intc_irqpin_irq_set_wake(struct irq_data *d, unsigned int on) { struct intc_irqpin_priv *p = irq_data_get_irq_chip_data(d); + int hw_irq = irqd_to_hwirq(d); + + irq_set_irq_wake(p->irq[hw_irq].requested_irq, on); if (!p->clk) return 0; -- cgit v0.10.2 From 4cd7863ecb90010533c178fba6ecc84d5529b402 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 8 Sep 2015 19:00:36 +0200 Subject: irqchip/renesas-irqc: Propagate wake-up settings to parent The renesas-irqc interrupt controller is cascaded to the GIC, but its driver doesn't propagate wake-up settings to the parent interrupt controller. Since commit aec89ef72ba6c944 ("irqchip/gic: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND"), the GIC driver masks interrupts during suspend, and wake-up through gpio-keys now fails on r8a73a4/ape6evm. Fix this by propagating wake-up settings to the parent interrupt controller. There's no need to handle irq_set_irq_wake() failures, as the renesas-irqc interrupt controller is always cascaded to a GIC, and the GIC driver always sets SKIP_SET_WAKE since the aforementioned commit. Signed-off-by: Geert Uytterhoeven Cc: Sudeep Holla Cc: Magnus Damm Cc: Jason Cooper Cc: Marc Zyngier Link: http://lkml.kernel.org/r/1441731636-17610-3-git-send-email-geert%2Brenesas@glider.be Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 4652cc3..35bf97b 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -121,6 +121,9 @@ static int irqc_irq_set_type(struct irq_data *d, unsigned int type) static int irqc_irq_set_wake(struct irq_data *d, unsigned int on) { struct irqc_priv *p = irq_data_get_irq_chip_data(d); + int hw_irq = irqd_to_hwirq(d); + + irq_set_irq_wake(p->irq[hw_irq].requested_irq, on); if (!p->clk) return 0; -- cgit v0.10.2 From 3829c664b1eec243f2a355829efa40f0f414de8d Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 15 Sep 2015 13:47:24 +0200 Subject: genirq: Remove stale comment Signed-off-by: Thomas Gleixner diff --git a/include/linux/irq.h b/include/linux/irq.h index 6f8b340..72a6b2f 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -151,10 +151,6 @@ struct irq_common_data { * methods, to allow shared chip implementations * @msi_desc: MSI descriptor * @affinity: IRQ affinity on SMP - * - * The fields here need to overlay the ones in irq_desc until we - * cleaned up the direct references and switched everything over to - * irq_data. */ struct irq_data { u32 mask; -- cgit v0.10.2 From 6584d84c3e504c76ad291cc2e381bbeed59798ab Mon Sep 17 00:00:00 2001 From: Huang Shijie Date: Tue, 1 Sep 2015 10:35:50 +0800 Subject: genirq: Update the comment for generic_handle_irq_desc __do_IRQ() was removed by commit 1c77ff2 "genirq: Remove __do_IRQ", but the comment referring to __do_IRQ() was left. Update the comment for generic_handle_irq_desc(). Signed-off-by: Huang Shijie Cc: jiang.liu@linux.intel.com Cc: peterz@infradead.org Cc: rafael.j.wysocki@intel.com Cc: jason@lakedaemon.net Cc: marc.zyngier@arm.com Link: http://lkml.kernel.org/r/1441074950-3893-1-git-send-email-shijie.huang@arm.com Signed-off-by: Thomas Gleixner diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 5acfa26..0593c69 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -137,9 +137,7 @@ static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc) /* * Architectures call this to let the generic IRQ layer - * handle an interrupt. If the descriptor is attached to an - * irqchip-style controller then we call the ->handle_irq() handler, - * and it calls __do_IRQ() if it's attached to an irqtype-style controller. + * handle an interrupt. */ static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc) { -- cgit v0.10.2 From b9a5ec33e32069a2f8af09d46266091602902bf4 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Sep 2015 12:32:40 +0200 Subject: pinctrl: sunxi: Use irq_set_chip_handler_name_locked() __irq_set_chip_handler_name_locked() is about to be replaced. Use irq_set_chip_handler_name_locked() instead. Signed-off-by: Thomas Gleixner Cc: Linus Walleij Cc: linux-gpio@vger.kernel.org diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index fb4669c0..31af97d 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -617,13 +617,11 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d, unsigned int type) spin_lock_irqsave(&pctl->lock, flags); if (type & IRQ_TYPE_LEVEL_MASK) - __irq_set_chip_handler_name_locked(d->irq, - &sunxi_pinctrl_level_irq_chip, - handle_fasteoi_irq, NULL); + irq_set_chip_handler_name_locked(d, &sunxi_pinctrl_level_irq_chip, + handle_fasteoi_irq, NULL); else - __irq_set_chip_handler_name_locked(d->irq, - &sunxi_pinctrl_edge_irq_chip, - handle_edge_irq, NULL); + irq_set_chip_handler_name_locked(d, &sunxi_pinctrl_edge_irq_chip, + handle_edge_irq, NULL); regval = readl(pctl->membase + reg); regval &= ~(IRQ_CFG_IRQ_MASK << index); -- cgit v0.10.2 From e902e14549e04c040fb6e15785efd35f810a223a Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Sep 2015 12:36:04 +0200 Subject: genirq: Remove __irq_set_chip_handler_name_locked() All users converted to irq_set_chip_handler_name_locked() Signed-off-by: Thomas Gleixner diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 0593c69..2974138 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -184,19 +184,6 @@ static inline void __irq_set_handler_locked(unsigned int irq, desc->handle_irq = handler; } -/* caller has locked the irq_desc and both params are valid */ -static inline void -__irq_set_chip_handler_name_locked(unsigned int irq, struct irq_chip *chip, - irq_flow_handler_t handler, const char *name) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - irq_desc_get_irq_data(desc)->chip = chip; - desc->handle_irq = handler; - desc->name = name; -} - /** * irq_set_handler_locked - Set irq handler from a locked region * @data: Pointer to the irq_data structure which identifies the irq -- cgit v0.10.2 From 6b83bd941479e99f6890ed4b5c54cb1f43c7146f Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 23 Jun 2015 15:52:31 +0200 Subject: powerpc/mpc52xx: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: @@ struct irq_data *d; expression E1; @@ -__irq_set_handler_locked(d->irq, E1); +irq_set_handler_locked(d, E1); Signed-off-by: Thomas Gleixner Cc: Jiang Liu Cc: Julia Lawall Cc: Anatolij Gustschin Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c index 2944bc8..4fe2074 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c @@ -196,7 +196,7 @@ static int mpc52xx_extirq_set_type(struct irq_data *d, unsigned int flow_type) ctrl_reg |= (type << (22 - (l2irq * 2))); out_be32(&intr->ctrl, ctrl_reg); - __irq_set_handler_locked(d->irq, handler); + irq_set_handler_locked(d, handler); return 0; } -- cgit v0.10.2 From e9e879a3d6cecc4258294c674627045da648fab0 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 23 Jun 2015 15:52:32 +0200 Subject: powerpc/cpm2: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: @@ struct irq_data *d; expression E1; @@ -__irq_set_handler_locked(d->irq, E1); +irq_set_handler_locked(d, E1); Signed-off-by: Thomas Gleixner Cc: Jiang Liu Cc: Julia Lawall Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index a11bd1d..9e86074 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -155,9 +155,9 @@ static int cpm2_set_irq_type(struct irq_data *d, unsigned int flow_type) irqd_set_trigger_type(d, flow_type); if (flow_type & IRQ_TYPE_LEVEL_LOW) - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); else - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); /* internal IRQ senses are LEVEL_LOW * EXT IRQ and Port C IRQ senses are programmable -- cgit v0.10.2 From 9758a7b0e5fdd5a08bcc73540bb3b98d59295a6d Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 23 Jun 2015 15:52:34 +0200 Subject: powerpc/ipic: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: @@ struct irq_data *d; expression E1; @@ -__irq_set_handler_locked(d->irq, E1); +irq_set_handler_locked(d, E1); Signed-off-by: Thomas Gleixner Cc: Jiang Liu Cc: Julia Lawall Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: Anton Blanchard Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c index 6b2b689..b1297ab 100644 --- a/arch/powerpc/sysdev/ipic.c +++ b/arch/powerpc/sysdev/ipic.c @@ -624,10 +624,10 @@ static int ipic_set_irq_type(struct irq_data *d, unsigned int flow_type) irqd_set_trigger_type(d, flow_type); if (flow_type & IRQ_TYPE_LEVEL_LOW) { - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); d->chip = &ipic_level_irq_chip; } else { - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); d->chip = &ipic_edge_irq_chip; } -- cgit v0.10.2 From 9ca86b204b3c874e6ada28309f607e3aa74d60a9 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 23 Jun 2015 15:52:36 +0200 Subject: powerpc/mpc8xx: Use irq_set_handler_locked() Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: @@ struct irq_data *d; expression E1; @@ -__irq_set_handler_locked(d->irq, E1); +irq_set_handler_locked(d, E1); Signed-off-by: Thomas Gleixner Cc: Jiang Liu Cc: Julia Lawall Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c index d93a78be..9a42397 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.c +++ b/arch/powerpc/sysdev/mpc8xx_pic.c @@ -55,7 +55,7 @@ static int mpc8xx_set_irq_type(struct irq_data *d, unsigned int flow_type) unsigned int siel = in_be32(&siu_reg->sc_siel); siel |= mpc8xx_irqd_to_bit(d); out_be32(&siu_reg->sc_siel, siel); - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); } return 0; } -- cgit v0.10.2 From a7147db0f5184954687546d430aed65cce483ffa Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Sep 2015 12:51:00 +0200 Subject: gpio: vf610: Use irq_set_handler_locked Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Linus Walleij Cc: linux-gpio@vger.kernel.org diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 3d5714d..7a6640b 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -176,9 +176,9 @@ static int vf610_gpio_irq_set_type(struct irq_data *d, u32 type) port->irqc[d->hwirq] = irqc; if (type & IRQ_TYPE_LEVEL_MASK) - __irq_set_handler_locked(d->irq, handle_level_irq); + irq_set_handler_locked(d, handle_level_irq); else - __irq_set_handler_locked(d->irq, handle_edge_irq); + irq_set_handler_locked(d, handle_edge_irq); return 0; } -- cgit v0.10.2 From 7c51173adde2ec520348812214704313f5b36f75 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Sep 2015 12:52:53 +0200 Subject: pinctrl/pistachio: Use irq_set_handler_locked Use irq_set_handler_locked() as it avoids a redundant lookup of the irq descriptor. Search and replacement was done with coccinelle: Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Linus Walleij Cc: linux-gpio@vger.kernel.org diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index 3dc2ae1..f22d585 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -1303,9 +1303,9 @@ static int pistachio_gpio_irq_set_type(struct irq_data *data, unsigned int type) } if (type & IRQ_TYPE_LEVEL_MASK) - __irq_set_handler_locked(data->irq, handle_level_irq); + irq_set_handler_locked(data, handle_level_irq); else - __irq_set_handler_locked(data->irq, handle_edge_irq); + irq_set_handler_locked(data, handle_edge_irq); return 0; } -- cgit v0.10.2 From 123236ccacc933daac3b39c5eb1f0011c70d41d8 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Sep 2015 12:54:23 +0200 Subject: genirq: Remove __irq_set_handler_locked() All users converted to irq_set_handler_locked() Signed-off-by: Thomas Gleixner diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 2974138..dce395c 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -174,16 +174,6 @@ static inline int irq_has_action(unsigned int irq) return irq_desc_has_action(irq_to_desc(irq)); } -/* caller has locked the irq_desc and both params are valid */ -static inline void __irq_set_handler_locked(unsigned int irq, - irq_flow_handler_t handler) -{ - struct irq_desc *desc; - - desc = irq_to_desc(irq); - desc->handle_irq = handler; -} - /** * irq_set_handler_locked - Set irq handler from a locked region * @data: Pointer to the irq_data structure which identifies the irq -- cgit v0.10.2 From 755d119a6204974b2005a98549a48a75a7f5010b Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 16 Sep 2015 14:37:12 +0200 Subject: genirq: Simplify irq_data_to_desc() Avoid the lookup of irq_desc and use the same mechanism for hierarchical and flat irqdomains. Based-on-a-patch-from: Jiang Liu Signed-off-by: Thomas Gleixner diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index dce395c..1fc5304 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -98,11 +98,7 @@ extern struct irq_desc irq_desc[NR_IRQS]; static inline struct irq_desc *irq_data_to_desc(struct irq_data *data) { -#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY - return irq_to_desc(data->irq); -#else - return container_of(data, struct irq_desc, irq_data); -#endif + return container_of(data->common, struct irq_desc, irq_common_data); } static inline unsigned int irq_desc_get_irq(struct irq_desc *desc) -- cgit v0.10.2 From fc5697126aa074c289df5e8baae28e115963023f Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 15 Sep 2015 12:33:42 +0200 Subject: genirq: Provide IRQD_FORWARDED_TO_VCPU status flag Provide a irq data flag to mark an irq forwarded to a VCPU along with the accessor functions. Signed-off-by: Thomas Gleixner Acked-by: Marc Zyngier diff --git a/include/linux/irq.h b/include/linux/irq.h index 72a6b2f..e54ae82 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -186,6 +186,7 @@ struct irq_data { * IRQD_IRQ_MASKED - Masked state of the interrupt * IRQD_IRQ_INPROGRESS - In progress state of the interrupt * IRQD_WAKEUP_ARMED - Wakeup mode armed + * IRQD_FORWARDED_TO_VCPU - The interrupt is forwarded to a VCPU */ enum { IRQD_TRIGGER_MASK = 0xf, @@ -200,6 +201,7 @@ enum { IRQD_IRQ_MASKED = (1 << 17), IRQD_IRQ_INPROGRESS = (1 << 18), IRQD_WAKEUP_ARMED = (1 << 19), + IRQD_FORWARDED_TO_VCPU = (1 << 20), }; #define __irqd_to_state(d) ((d)->common->state_use_accessors) @@ -278,6 +280,20 @@ static inline bool irqd_is_wakeup_armed(struct irq_data *d) return __irqd_to_state(d) & IRQD_WAKEUP_ARMED; } +static inline bool irqd_is_forwarded_to_vcpu(struct irq_data *d) +{ + return __irqd_to_state(d) & IRQD_FORWARDED_TO_VCPU; +} + +static inline void irqd_set_forwarded_to_vcpu(struct irq_data *d) +{ + __irqd_to_state(d) |= IRQD_FORWARDED_TO_VCPU; +} + +static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d) +{ + __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU; +} /* * Functions for chained handlers which can be enabled/disabled by the -- cgit v0.10.2 From 714665351cc718e01f0ce34ef5325932d56d8b4e Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 15 Sep 2015 12:37:36 +0200 Subject: irqchip/gic: Use IRQD_FORWARDED_TO_VCPU flag Get rid of the handler_data abuse. Signed-off-by: Thomas Gleixner Acked-by: Marc Zyngier diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index a947057..9bccdd2 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -145,29 +145,10 @@ static inline bool cascading_gic_irq(struct irq_data *d) void *data = irq_data_get_irq_handler_data(d); /* - * If handler_data pointing to one of the secondary GICs, then - * this is a cascading interrupt, and it cannot possibly be - * forwarded. + * If handler_data is set, this is a cascading interrupt, and + * it cannot possibly be forwarded. */ - if (data >= (void *)(gic_data + 1) && - data < (void *)(gic_data + MAX_GIC_NR)) - return true; - - return false; -} - -static inline bool forwarded_irq(struct irq_data *d) -{ - /* - * A forwarded interrupt: - * - is on the primary GIC - * - has its handler_data set to a value - * - that isn't a secondary GIC - */ - if (d->handler_data && !cascading_gic_irq(d)) - return true; - - return false; + return data != NULL; } /* @@ -201,7 +182,7 @@ static void gic_eoimode1_mask_irq(struct irq_data *d) * disabled/masked will not get "stuck", because there is * noone to deactivate it (guest is being terminated). */ - if (forwarded_irq(d)) + if (irqd_is_forwarded_to_vcpu(d)) gic_poke_irq(d, GIC_DIST_ACTIVE_CLEAR); } @@ -218,7 +199,7 @@ static void gic_eoi_irq(struct irq_data *d) static void gic_eoimode1_eoi_irq(struct irq_data *d) { /* Do not deactivate an IRQ forwarded to a vcpu. */ - if (forwarded_irq(d)) + if (irqd_is_forwarded_to_vcpu(d)) return; writel_relaxed(gic_irq(d), gic_cpu_base(d) + GIC_CPU_DEACTIVATE); @@ -296,7 +277,10 @@ static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu) if (cascading_gic_irq(d)) return -EINVAL; - d->handler_data = vcpu; + if (vcpu) + irqd_set_forwarded_to_vcpu(d); + else + irqd_clr_forwarded_to_vcpu(d); return 0; } -- cgit v0.10.2 From 4df7f54d16ebe9c37631182de84c4347f0e44db3 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 15 Sep 2015 13:19:16 +0200 Subject: irqchip/gic-v3: Use IRQD_FORWARDED_TO_VCPU flag Get rid of the handler_data abuse. Signed-off-by: Thomas Gleixner Acked-by: Marc Zyngier diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 7deed6e..b5418f5 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -70,11 +70,6 @@ static inline int gic_irq_in_rdist(struct irq_data *d) return gic_irq(d) < 32; } -static inline bool forwarded_irq(struct irq_data *d) -{ - return d->handler_data != NULL; -} - static inline void __iomem *gic_dist_base(struct irq_data *d) { if (gic_irq_in_rdist(d)) /* SGI+PPI -> SGI_base for this CPU */ @@ -249,7 +244,7 @@ static void gic_eoimode1_mask_irq(struct irq_data *d) * disabled/masked will not get "stuck", because there is * noone to deactivate it (guest is being terminated). */ - if (forwarded_irq(d)) + if (irqd_is_forwarded_to_vcpu(d)) gic_poke_irq(d, GICD_ICACTIVER); } @@ -324,7 +319,7 @@ static void gic_eoimode1_eoi_irq(struct irq_data *d) * No need to deactivate an LPI, or an interrupt that * is is getting forwarded to a vcpu. */ - if (gic_irq(d) >= 8192 || forwarded_irq(d)) + if (gic_irq(d) >= 8192 || irqd_is_forwarded_to_vcpu(d)) return; gic_write_dir(gic_irq(d)); } @@ -357,7 +352,10 @@ static int gic_set_type(struct irq_data *d, unsigned int type) static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu) { - d->handler_data = vcpu; + if (vcpu) + irqd_set_forwarded_to_vcpu(d); + else + irqd_clr_forwarded_to_vcpu(d); return 0; } -- cgit v0.10.2 From 449e9cae58b06be1293858ec8e5d8cb728238baa Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 1 Jun 2015 16:05:16 +0800 Subject: genirq: Move field 'node' from irq_data into irq_common_data NUMA node information is per-irq instead of per-irqchip, so move it into struct irq_common_data. Also use CONFIG_NUMA to guard irq_common_data.node. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Jason Cooper Cc: Kevin Cernekee Cc: Arnd Bergmann Link: http://lkml.kernel.org/r/1433145945-789-8-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner diff --git a/include/linux/irq.h b/include/linux/irq.h index e54ae82..ebcc5c6 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -129,9 +129,13 @@ struct irq_domain; * struct irq_common_data - per irq data shared by all irqchips * @state_use_accessors: status information for irq chip functions. * Use accessor functions to deal with it + * @node: node index useful for balancing */ struct irq_common_data { unsigned int state_use_accessors; +#ifdef CONFIG_NUMA + unsigned int node; +#endif }; /** @@ -139,7 +143,6 @@ struct irq_common_data { * @mask: precomputed bitmask for accessing the chip registers * @irq: interrupt number * @hwirq: hardware interrupt number, local to the interrupt domain - * @node: node index useful for balancing * @common: point to data shared by all irqchips * @chip: low level interrupt hardware access * @domain: Interrupt translation domain; responsible for mapping @@ -156,7 +159,6 @@ struct irq_data { u32 mask; unsigned int irq; unsigned long hwirq; - unsigned int node; struct irq_common_data *common; struct irq_chip *chip; struct irq_domain *domain; @@ -664,9 +666,18 @@ static inline u32 irq_get_trigger_type(unsigned int irq) return d ? irqd_get_trigger_type(d) : 0; } -static inline int irq_data_get_node(struct irq_data *d) +static inline int irq_common_data_get_node(struct irq_common_data *d) { +#ifdef CONFIG_NUMA return d->node; +#else + return 0; +#endif +} + +static inline int irq_data_get_node(struct irq_data *d) +{ + return irq_common_data_get_node(d->common); } static inline struct cpumask *irq_get_affinity_mask(int irq) diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index eee4b38..5ef0c2d 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -194,7 +194,7 @@ static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc) static inline int irq_desc_get_node(struct irq_desc *desc) { - return irq_data_get_node(&desc->irq_data); + return irq_common_data_get_node(&desc->irq_common_data); } #ifdef CONFIG_PM_SLEEP diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 0a2a4b6..7f3e9fa 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -52,11 +52,13 @@ static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) static void desc_smp_init(struct irq_desc *desc, int node) { - desc->irq_data.node = node; cpumask_copy(desc->irq_data.affinity, irq_default_affinity); #ifdef CONFIG_GENERIC_PENDING_IRQ cpumask_clear(desc->pending_mask); #endif +#ifdef CONFIG_NUMA + desc->irq_common_data.node = node; +#endif } #else diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 79baaf8..dc9d27c 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -844,7 +844,6 @@ static struct irq_data *irq_domain_insert_irq_data(struct irq_domain *domain, child->parent_data = irq_data; irq_data->irq = child->irq; irq_data->common = child->common; - irq_data->node = child->node; irq_data->domain = domain; } -- cgit v0.10.2 From af7080e040d223b5e7d0a8de28f7cea24ef017c4 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 1 Jun 2015 16:05:21 +0800 Subject: genirq: Move field 'handler_data' from irq_data into irq_common_data Handler data (handler_data) is per-irq instead of per irqchip, so move it into struct irq_common_data. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Jason Cooper Cc: Kevin Cernekee Cc: Arnd Bergmann Cc: Marc Zyngier Link: http://lkml.kernel.org/r/1433145945-789-13-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner diff --git a/include/linux/irq.h b/include/linux/irq.h index ebcc5c6..516aadb 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -130,12 +130,14 @@ struct irq_domain; * @state_use_accessors: status information for irq chip functions. * Use accessor functions to deal with it * @node: node index useful for balancing + * @handler_data: per-IRQ data for the irq_chip methods */ struct irq_common_data { unsigned int state_use_accessors; #ifdef CONFIG_NUMA unsigned int node; #endif + void *handler_data; }; /** @@ -149,7 +151,6 @@ struct irq_common_data { * between hwirq number and linux irq number. * @parent_data: pointer to parent struct irq_data to support hierarchy * irq_domain - * @handler_data: per-IRQ data for the irq_chip methods * @chip_data: platform-specific per-chip private data for the chip * methods, to allow shared chip implementations * @msi_desc: MSI descriptor @@ -165,7 +166,6 @@ struct irq_data { #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_data *parent_data; #endif - void *handler_data; void *chip_data; struct msi_desc *msi_desc; cpumask_var_t affinity; @@ -641,12 +641,12 @@ static inline void *irq_data_get_irq_chip_data(struct irq_data *d) static inline void *irq_get_handler_data(unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); - return d ? d->handler_data : NULL; + return d ? d->common->handler_data : NULL; } static inline void *irq_data_get_irq_handler_data(struct irq_data *d) { - return d->handler_data; + return d->common->handler_data; } static inline struct msi_desc *irq_get_msi_desc(unsigned int irq) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 1fc5304..c7b3e1c 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -123,7 +123,7 @@ static inline void *irq_desc_get_chip_data(struct irq_desc *desc) static inline void *irq_desc_get_handler_data(struct irq_desc *desc) { - return desc->irq_data.handler_data; + return desc->irq_common_data.handler_data; } static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 6e40a95..a48e00e 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -83,7 +83,7 @@ int irq_set_handler_data(unsigned int irq, void *data) if (!desc) return -EINVAL; - desc->irq_data.handler_data = data; + desc->irq_common_data.handler_data = data; irq_put_desc_unlock(desc, flags); return 0; } @@ -796,7 +796,7 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle, return; __irq_do_set_handler(desc, handle, 1, NULL); - desc->irq_data.handler_data = data; + desc->irq_common_data.handler_data = data; irq_put_desc_busunlock(desc, flags); } diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 7f3e9fa..594b3e3 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -72,11 +72,12 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node, { int cpu; + desc->irq_common_data.handler_data = NULL; + desc->irq_data.common = &desc->irq_common_data; desc->irq_data.irq = irq; desc->irq_data.chip = &no_irq_chip; desc->irq_data.chip_data = NULL; - desc->irq_data.handler_data = NULL; desc->irq_data.msi_desc = NULL; irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS); irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED); -- cgit v0.10.2 From 9df872faa7e1619e9278bec00ceaed2236533530 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Wed, 3 Jun 2015 11:47:50 +0800 Subject: genirq: Move field 'affinity' from irq_data into irq_common_data Irq affinity mask is per-irq instead of per irqchip, so move it into struct irq_common_data. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Jason Cooper Cc: Kevin Cernekee Cc: Arnd Bergmann Link: http://lkml.kernel.org/r/1433303281-27688-1-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 1bbd0fe..836d11b 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -489,10 +489,8 @@ static int apic_set_affinity(struct irq_data *irq_data, err = assign_irq_vector(irq, data, dest); if (err) { - struct irq_data *top = irq_get_irq_data(irq); - if (assign_irq_vector(irq, data, - irq_data_get_affinity_mask(top))) + irq_data_get_affinity_mask(irq_data))) pr_err("Failed to recover vector for irq %d\n", irq); return err; } diff --git a/include/linux/irq.h b/include/linux/irq.h index 516aadb..75d5054 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -110,8 +110,8 @@ enum { /* * Return value for chip->irq_set_affinity() * - * IRQ_SET_MASK_OK - OK, core updates irq_data.affinity - * IRQ_SET_MASK_NOCPY - OK, chip did update irq_data.affinity + * IRQ_SET_MASK_OK - OK, core updates irq_common_data.affinity + * IRQ_SET_MASK_NOCPY - OK, chip did update irq_common_data.affinity * IRQ_SET_MASK_OK_DONE - Same as IRQ_SET_MASK_OK for core. Special code to * support stacked irqchips, which indicates skipping * all descendent irqchips. @@ -131,6 +131,7 @@ struct irq_domain; * Use accessor functions to deal with it * @node: node index useful for balancing * @handler_data: per-IRQ data for the irq_chip methods + * @affinity: IRQ affinity on SMP */ struct irq_common_data { unsigned int state_use_accessors; @@ -138,6 +139,7 @@ struct irq_common_data { unsigned int node; #endif void *handler_data; + cpumask_var_t affinity; }; /** @@ -154,7 +156,6 @@ struct irq_common_data { * @chip_data: platform-specific per-chip private data for the chip * methods, to allow shared chip implementations * @msi_desc: MSI descriptor - * @affinity: IRQ affinity on SMP */ struct irq_data { u32 mask; @@ -168,7 +169,6 @@ struct irq_data { #endif void *chip_data; struct msi_desc *msi_desc; - cpumask_var_t affinity; }; /* @@ -684,12 +684,12 @@ static inline struct cpumask *irq_get_affinity_mask(int irq) { struct irq_data *d = irq_get_irq_data(irq); - return d ? d->affinity : NULL; + return d ? d->common->affinity : NULL; } static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d) { - return d->affinity; + return d->common->affinity; } unsigned int arch_dynirq_lower_bound(unsigned int from); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 594b3e3..bb48a5c 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -38,12 +38,13 @@ static void __init init_irq_default_affinity(void) #ifdef CONFIG_SMP static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) { - if (!zalloc_cpumask_var_node(&desc->irq_data.affinity, gfp, node)) + if (!zalloc_cpumask_var_node(&desc->irq_common_data.affinity, + gfp, node)) return -ENOMEM; #ifdef CONFIG_GENERIC_PENDING_IRQ if (!zalloc_cpumask_var_node(&desc->pending_mask, gfp, node)) { - free_cpumask_var(desc->irq_data.affinity); + free_cpumask_var(desc->irq_common_data.affinity); return -ENOMEM; } #endif @@ -52,7 +53,7 @@ static int alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) static void desc_smp_init(struct irq_desc *desc, int node) { - cpumask_copy(desc->irq_data.affinity, irq_default_affinity); + cpumask_copy(desc->irq_common_data.affinity, irq_default_affinity); #ifdef CONFIG_GENERIC_PENDING_IRQ cpumask_clear(desc->pending_mask); #endif @@ -124,7 +125,7 @@ static void free_masks(struct irq_desc *desc) #ifdef CONFIG_GENERIC_PENDING_IRQ free_cpumask_var(desc->pending_mask); #endif - free_cpumask_var(desc->irq_data.affinity); + free_cpumask_var(desc->irq_common_data.affinity); } #else static inline void free_masks(struct irq_desc *desc) { } diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index ad1b064..f9a59f6 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -192,7 +192,7 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask, switch (ret) { case IRQ_SET_MASK_OK: case IRQ_SET_MASK_OK_DONE: - cpumask_copy(data->affinity, mask); + cpumask_copy(desc->irq_common_data.affinity, mask); case IRQ_SET_MASK_OK_NOCOPY: irq_set_thread_affinity(desc); ret = 0; @@ -304,7 +304,7 @@ static void irq_affinity_notify(struct work_struct *work) if (irq_move_pending(&desc->irq_data)) irq_get_pending(cpumask, desc); else - cpumask_copy(cpumask, desc->irq_data.affinity); + cpumask_copy(cpumask, desc->irq_common_data.affinity); raw_spin_unlock_irqrestore(&desc->lock, flags); notify->notify(notify, cpumask); @@ -375,9 +375,9 @@ static int setup_affinity(struct irq_desc *desc, struct cpumask *mask) * one of the targets is online. */ if (irqd_has_set(&desc->irq_data, IRQD_AFFINITY_SET)) { - if (cpumask_intersects(desc->irq_data.affinity, + if (cpumask_intersects(desc->irq_common_data.affinity, cpu_online_mask)) - set = desc->irq_data.affinity; + set = desc->irq_common_data.affinity; else irqd_clear(&desc->irq_data, IRQD_AFFINITY_SET); } @@ -829,8 +829,8 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) * This code is triggered unconditionally. Check the affinity * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out. */ - if (desc->irq_data.affinity) - cpumask_copy(mask, desc->irq_data.affinity); + if (desc->irq_common_data.affinity) + cpumask_copy(mask, desc->irq_common_data.affinity); else valid = false; raw_spin_unlock_irq(&desc->lock); diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 0e97c14..e3a8c95 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -39,7 +39,7 @@ static struct proc_dir_entry *root_irq_dir; static int show_irq_affinity(int type, struct seq_file *m, void *v) { struct irq_desc *desc = irq_to_desc((long)m->private); - const struct cpumask *mask = desc->irq_data.affinity; + const struct cpumask *mask = desc->irq_common_data.affinity; #ifdef CONFIG_GENERIC_PENDING_IRQ if (irqd_is_setaffinity_pending(&desc->irq_data)) -- cgit v0.10.2 From b237721c5d95082a803c0be686f56d2dd1de995b Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 1 Jun 2015 16:05:43 +0800 Subject: genirq: Move field 'msi_desc' from irq_data into irq_common_data MSI descriptors are per-irq instead of per irqchip, so move it into struct irq_common_data. Signed-off-by: Jiang Liu Cc: Konrad Rzeszutek Wilk Cc: Tony Luck Cc: Bjorn Helgaas Cc: Benjamin Herrenschmidt Cc: Randy Dunlap Cc: Yinghai Lu Cc: Borislav Petkov Cc: Jason Cooper Cc: Kevin Cernekee Cc: Arnd Bergmann Cc: Marc Zyngier Link: http://lkml.kernel.org/r/1433145945-789-35-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner diff --git a/include/linux/irq.h b/include/linux/irq.h index 75d5054..4913c32 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -132,6 +132,7 @@ struct irq_domain; * @node: node index useful for balancing * @handler_data: per-IRQ data for the irq_chip methods * @affinity: IRQ affinity on SMP + * @msi_desc: MSI descriptor */ struct irq_common_data { unsigned int state_use_accessors; @@ -139,6 +140,7 @@ struct irq_common_data { unsigned int node; #endif void *handler_data; + struct msi_desc *msi_desc; cpumask_var_t affinity; }; @@ -155,7 +157,6 @@ struct irq_common_data { * irq_domain * @chip_data: platform-specific per-chip private data for the chip * methods, to allow shared chip implementations - * @msi_desc: MSI descriptor */ struct irq_data { u32 mask; @@ -168,7 +169,6 @@ struct irq_data { struct irq_data *parent_data; #endif void *chip_data; - struct msi_desc *msi_desc; }; /* @@ -652,12 +652,12 @@ static inline void *irq_data_get_irq_handler_data(struct irq_data *d) static inline struct msi_desc *irq_get_msi_desc(unsigned int irq) { struct irq_data *d = irq_get_irq_data(irq); - return d ? d->msi_desc : NULL; + return d ? d->common->msi_desc : NULL; } static inline struct msi_desc *irq_data_get_msi_desc(struct irq_data *d) { - return d->msi_desc; + return d->common->msi_desc; } static inline u32 irq_get_trigger_type(unsigned int irq) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index c7b3e1c..fbb4d5a 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -128,7 +128,7 @@ static inline void *irq_desc_get_handler_data(struct irq_desc *desc) static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc) { - return desc->irq_data.msi_desc; + return desc->irq_common_data.msi_desc; } /* diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index a48e00e..8c55d54 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -105,7 +105,7 @@ int irq_set_msi_desc_off(unsigned int irq_base, unsigned int irq_offset, if (!desc) return -EINVAL; - desc->irq_data.msi_desc = entry; + desc->irq_common_data.msi_desc = entry; if (entry && !irq_offset) entry->irq = irq_base; irq_put_desc_unlock(desc, flags); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index bb48a5c..5966694 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -74,12 +74,12 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node, int cpu; desc->irq_common_data.handler_data = NULL; + desc->irq_common_data.msi_desc = NULL; desc->irq_data.common = &desc->irq_common_data; desc->irq_data.irq = irq; desc->irq_data.chip = &no_irq_chip; desc->irq_data.chip_data = NULL; - desc->irq_data.msi_desc = NULL; irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS); irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED); desc->handle_irq = handle_bad_irq; -- cgit v0.10.2 From bd0b9ac405e1794d72533c3d487aa65b6b955a0c Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 14 Sep 2015 10:42:37 +0200 Subject: genirq: Remove irq argument from irq flow handlers Most interrupt flow handlers do not use the irq argument. Those few which use it can retrieve the irq number from the irq descriptor. Remove the argument. Search and replace was done with coccinelle and some extra helper scripts around it. Thanks to Julia for her help! Signed-off-by: Thomas Gleixner Cc: Julia Lawall Cc: Jiang Liu diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index 2804648..2d6efcf 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -117,6 +117,6 @@ handle_irq(int irq) } irq_enter(); - generic_handle_irq_desc(irq, desc); + generic_handle_irq_desc(desc); irq_exit(); } diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index d9e44b6..4ffd185 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -252,7 +252,7 @@ static struct irq_chip idu_irq_chip = { static int idu_first_irq; -static void idu_cascade_isr(unsigned int __core_irq, struct irq_desc *desc) +static void idu_cascade_isr(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); unsigned int core_irq = irq_desc_get_irq(desc); diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 96dabcb..996aed3 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -95,7 +95,7 @@ void it8152_init_irq(void) } } -void it8152_irq_demux(unsigned int irq, struct irq_desc *desc) +void it8152_irq_demux(struct irq_desc *desc) { int bits_pd, bits_lp, bits_ld; int i; diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 304adea..0e97b4b 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -138,7 +138,7 @@ static struct locomo_dev_info locomo_devices[] = { }, }; -static void locomo_handler(unsigned int __irq, struct irq_desc *desc) +static void locomo_handler(struct irq_desc *desc) { struct locomo *lchip = irq_desc_get_chip_data(desc); int req, i; diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 4f29025..3d22494 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -196,10 +196,8 @@ static struct sa1111_dev_info sa1111_devices[] = { * active IRQs causes the interrupt output to pulse, the upper levels * will call us again if there are more interrupts to process. */ -static void -sa1111_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void sa1111_irq_handler(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); unsigned int stat0, stat1, i; struct sa1111 *sachip = irq_desc_get_handler_data(desc); void __iomem *mapbase = sachip->base + SA1111_INTC; @@ -214,7 +212,7 @@ sa1111_irq_handler(unsigned int __irq, struct irq_desc *desc) sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1); if (stat0 == 0 && stat1 == 0) { - do_bad_IRQ(irq, desc); + do_bad_IRQ(desc); return; } diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h index d36a73d7..076777f 100644 --- a/arch/arm/include/asm/hardware/it8152.h +++ b/arch/arm/include/asm/hardware/it8152.h @@ -106,7 +106,7 @@ extern void __iomem *it8152_base_address; struct pci_dev; struct pci_sys_data; -extern void it8152_irq_demux(unsigned int irq, struct irq_desc *desc); +extern void it8152_irq_demux(struct irq_desc *desc); extern void it8152_init_irq(void); extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); extern int it8152_pci_setup(int nr, struct pci_sys_data *sys); diff --git a/arch/arm/include/asm/mach/irq.h b/arch/arm/include/asm/mach/irq.h index 2092ee1..de4634b 100644 --- a/arch/arm/include/asm/mach/irq.h +++ b/arch/arm/include/asm/mach/irq.h @@ -23,10 +23,10 @@ extern int show_fiq_list(struct seq_file *, int); /* * This is for easy migration, but should be changed in the source */ -#define do_bad_IRQ(irq,desc) \ +#define do_bad_IRQ(desc) \ do { \ raw_spin_lock(&desc->lock); \ - handle_bad_irq(irq, desc); \ + handle_bad_irq(desc); \ raw_spin_unlock(&desc->lock); \ } while(0) diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c index 305d7c6..bfb3703 100644 --- a/arch/arm/mach-dove/irq.c +++ b/arch/arm/mach-dove/irq.c @@ -69,14 +69,14 @@ static struct irq_chip pmu_irq_chip = { .irq_ack = pmu_irq_ack, }; -static void pmu_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void pmu_irq_handler(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); unsigned long cause = readl(PMU_INTERRUPT_CAUSE); + unsigned int irq; cause &= readl(PMU_INTERRUPT_MASK); if (cause == 0) { - do_bad_IRQ(irq, desc); + do_bad_IRQ(desc); return; } diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c index fcd79bc..c01fca1 100644 --- a/arch/arm/mach-footbridge/isa-irq.c +++ b/arch/arm/mach-footbridge/isa-irq.c @@ -87,13 +87,12 @@ static struct irq_chip isa_hi_chip = { .irq_unmask = isa_unmask_pic_hi_irq, }; -static void -isa_irq_handler(unsigned int irq, struct irq_desc *desc) +static void isa_irq_handler(struct irq_desc *desc) { unsigned int isa_irq = *(unsigned char *)PCIIACK_BASE; if (isa_irq < _ISA_IRQ(0) || isa_irq >= _ISA_IRQ(16)) { - do_bad_IRQ(isa_irq, desc); + do_bad_IRQ(desc); return; } diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c index 220333e..2478d9f 100644 --- a/arch/arm/mach-gemini/gpio.c +++ b/arch/arm/mach-gemini/gpio.c @@ -126,7 +126,7 @@ static int gpio_set_irq_type(struct irq_data *d, unsigned int type) return 0; } -static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void gpio_irq_handler(struct irq_desc *desc) { unsigned int port = (unsigned int)irq_desc_get_handler_data(desc); unsigned int gpio_irq_no, irq_stat; diff --git a/arch/arm/mach-imx/3ds_debugboard.c b/arch/arm/mach-imx/3ds_debugboard.c index 45903be..16496a0 100644 --- a/arch/arm/mach-imx/3ds_debugboard.c +++ b/arch/arm/mach-imx/3ds_debugboard.c @@ -85,7 +85,7 @@ static struct platform_device smsc_lan9217_device = { .resource = smsc911x_resources, }; -static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc) +static void mxc_expio_irq_handler(struct irq_desc *desc) { u32 imr_val; u32 int_valid; diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c index 2c08535..2b147e4 100644 --- a/arch/arm/mach-imx/mach-mx31ads.c +++ b/arch/arm/mach-imx/mach-mx31ads.c @@ -154,7 +154,7 @@ static inline void mxc_init_imx_uart(void) imx31_add_imx_uart0(&uart_pdata); } -static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc) +static void mx31ads_expio_irq_handler(struct irq_desc *desc) { u32 imr_val; u32 int_valid; diff --git a/arch/arm/mach-iop13xx/msi.c b/arch/arm/mach-iop13xx/msi.c index 9f89e76..f6235b2 100644 --- a/arch/arm/mach-iop13xx/msi.c +++ b/arch/arm/mach-iop13xx/msi.c @@ -91,7 +91,7 @@ static void (*write_imipr[])(u32) = { write_imipr_3, }; -static void iop13xx_msi_handler(unsigned int irq, struct irq_desc *desc) +static void iop13xx_msi_handler(struct irq_desc *desc) { int i, j; unsigned long status; diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c index cce4cef..2ae431e 100644 --- a/arch/arm/mach-lpc32xx/irq.c +++ b/arch/arm/mach-lpc32xx/irq.c @@ -370,7 +370,7 @@ static struct irq_chip lpc32xx_irq_chip = { .irq_set_wake = lpc32xx_irq_wake }; -static void lpc32xx_sic1_handler(unsigned int irq, struct irq_desc *desc) +static void lpc32xx_sic1_handler(struct irq_desc *desc) { unsigned long ints = __raw_readl(LPC32XX_INTC_STAT(LPC32XX_SIC1_BASE)); @@ -383,7 +383,7 @@ static void lpc32xx_sic1_handler(unsigned int irq, struct irq_desc *desc) } } -static void lpc32xx_sic2_handler(unsigned int irq, struct irq_desc *desc) +static void lpc32xx_sic2_handler(struct irq_desc *desc) { unsigned long ints = __raw_readl(LPC32XX_INTC_STAT(LPC32XX_SIC2_BASE)); diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c index 6373e2b..842302d 100644 --- a/arch/arm/mach-netx/generic.c +++ b/arch/arm/mach-netx/generic.c @@ -69,8 +69,7 @@ static struct platform_device *devices[] __initdata = { #define DEBUG_IRQ(fmt...) while (0) {} #endif -static void -netx_hif_demux_handler(unsigned int irq_unused, struct irq_desc *desc) +static void netx_hif_demux_handler(struct irq_desc *desc) { unsigned int irq = NETX_IRQ_HIF_CHAINED(0); unsigned int stat; diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c index dfec671..39e20d0 100644 --- a/arch/arm/mach-omap1/fpga.c +++ b/arch/arm/mach-omap1/fpga.c @@ -87,7 +87,7 @@ static void fpga_mask_ack_irq(struct irq_data *d) fpga_ack_irq(d); } -static void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc) +static void innovator_fpga_IRQ_demux(struct irq_desc *desc) { u32 stat; int fpga_irq; diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index 257e98c..3fc2cbe 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -102,7 +102,7 @@ static void omap_prcm_events_filter_priority(unsigned long *events, * dispatched accordingly. Clearing of the wakeup events should be * done by the SoC specific individual handlers. */ -static void omap_prcm_irq_handler(unsigned int irq, struct irq_desc *desc) +static void omap_prcm_irq_handler(struct irq_desc *desc) { unsigned long pending[OMAP_PRCM_MAX_NR_PENDING_REG]; unsigned long priority_pending[OMAP_PRCM_MAX_NR_PENDING_REG]; diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index 70366b3..a3ebb51 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -496,7 +496,7 @@ static struct irq_chip balloon3_irq_chip = { .irq_unmask = balloon3_unmask_irq, }; -static void balloon3_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void balloon3_irq_handler(struct irq_desc *desc) { unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & balloon3_irq_enabled; diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c index 1fa79f1..3221ae1 100644 --- a/arch/arm/mach-pxa/cm-x2xx-pci.c +++ b/arch/arm/mach-pxa/cm-x2xx-pci.c @@ -29,13 +29,12 @@ void __iomem *it8152_base_address; static int cmx2xx_it8152_irq_gpio; -static void cmx2xx_it8152_irq_demux(unsigned int __irq, struct irq_desc *desc) +static void cmx2xx_it8152_irq_demux(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); /* clear our parent irq */ desc->irq_data.chip->irq_ack(&desc->irq_data); - it8152_irq_demux(irq, desc); + it8152_irq_demux(desc); } void __cmx2xx_pci_init_irq(int irq_gpio) diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c index b070167..4823d97 100644 --- a/arch/arm/mach-pxa/lpd270.c +++ b/arch/arm/mach-pxa/lpd270.c @@ -120,7 +120,7 @@ static struct irq_chip lpd270_irq_chip = { .irq_unmask = lpd270_unmask_irq, }; -static void lpd270_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void lpd270_irq_handler(struct irq_desc *desc) { unsigned int irq; unsigned long pending; diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c index 9a0c8af..d8319b5 100644 --- a/arch/arm/mach-pxa/pcm990-baseboard.c +++ b/arch/arm/mach-pxa/pcm990-baseboard.c @@ -284,7 +284,7 @@ static struct irq_chip pcm990_irq_chip = { .irq_unmask = pcm990_unmask_irq, }; -static void pcm990_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void pcm990_irq_handler(struct irq_desc *desc) { unsigned int irq; unsigned long pending; diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index 4841d6c..8ab2637 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -276,7 +276,7 @@ static inline unsigned long viper_irq_pending(void) viper_irq_enabled_mask; } -static void viper_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void viper_irq_handler(struct irq_desc *desc) { unsigned int irq; unsigned long pending; diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c index 6f94dd7..30e62a3 100644 --- a/arch/arm/mach-pxa/zeus.c +++ b/arch/arm/mach-pxa/zeus.c @@ -105,7 +105,7 @@ static inline unsigned long zeus_irq_pending(void) return __raw_readw(ZEUS_CPLD_ISA_IRQ) & zeus_irq_enabled_mask; } -static void zeus_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void zeus_irq_handler(struct irq_desc *desc) { unsigned int irq; unsigned long pending; diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c index f726d4c..dc67a7f 100644 --- a/arch/arm/mach-rpc/ecard.c +++ b/arch/arm/mach-rpc/ecard.c @@ -551,8 +551,7 @@ static void ecard_check_lockup(struct irq_desc *desc) } } -static void -ecard_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ecard_irq_handler(struct irq_desc *desc) { ecard_t *ec; int called = 0; diff --git a/arch/arm/mach-s3c24xx/bast-irq.c b/arch/arm/mach-s3c24xx/bast-irq.c index ced1ab8..2bb0896 100644 --- a/arch/arm/mach-s3c24xx/bast-irq.c +++ b/arch/arm/mach-s3c24xx/bast-irq.c @@ -100,9 +100,7 @@ static struct irq_chip bast_pc104_chip = { .irq_ack = bast_pc104_maskack }; -static void -bast_irq_pc104_demux(unsigned int irq, - struct irq_desc *desc) +static void bast_irq_pc104_demux(struct irq_desc *desc) { unsigned int stat; unsigned int irqno; diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index fd63ecf..ddb30b8 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -388,22 +388,22 @@ static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end) } } -static void s3c_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +static void s3c_irq_demux_eint0_3(struct irq_desc *desc) { s3c_irq_demux_eint(0, 3); } -static void s3c_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc) +static void s3c_irq_demux_eint4_11(struct irq_desc *desc) { s3c_irq_demux_eint(4, 11); } -static void s3c_irq_demux_eint12_19(unsigned int irq, struct irq_desc *desc) +static void s3c_irq_demux_eint12_19(struct irq_desc *desc) { s3c_irq_demux_eint(12, 19); } -static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc) +static void s3c_irq_demux_eint20_27(struct irq_desc *desc) { s3c_irq_demux_eint(20, 27); } diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index 6d237b4..8411985 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -166,7 +166,7 @@ static struct sa1100_port_fns neponset_port_fns = { * ensure that the IRQ signal is deasserted before returning. This * is rather unfortunate. */ -static void neponset_irq_handler(unsigned int irq, struct irq_desc *desc) +static void neponset_irq_handler(struct irq_desc *desc) { struct neponset_drvdata *d = irq_desc_get_handler_data(desc); unsigned int irr; diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c index 79c33ec..7bd22d8 100644 --- a/arch/arm/plat-orion/gpio.c +++ b/arch/arm/plat-orion/gpio.c @@ -407,7 +407,7 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type) return 0; } -static void gpio_irq_handler(unsigned __irq, struct irq_desc *desc) +static void gpio_irq_handler(struct irq_desc *desc) { struct orion_gpio_chip *ochip = irq_desc_get_handler_data(desc); u32 cause, type; diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index d51ff8f..96cabad 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -144,7 +144,7 @@ static struct irq_chip eic_chip = { .irq_set_type = eic_set_irq_type, }; -static void demux_eic_irq(unsigned int irq, struct irq_desc *desc) +static void demux_eic_irq(struct irq_desc *desc) { struct eic *eic = irq_desc_get_handler_data(desc); unsigned long status, pending; diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c index 157a5e0..4f61378 100644 --- a/arch/avr32/mach-at32ap/pio.c +++ b/arch/avr32/mach-at32ap/pio.c @@ -281,7 +281,7 @@ static struct irq_chip gpio_irqchip = { .irq_set_type = gpio_irq_type, }; -static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void gpio_irq_handler(struct irq_desc *desc) { struct pio_device *pio = irq_desc_get_chip_data(desc); unsigned gpio_irq; diff --git a/arch/blackfin/include/asm/irq_handler.h b/arch/blackfin/include/asm/irq_handler.h index 4b2a992..d2f90c7 100644 --- a/arch/blackfin/include/asm/irq_handler.h +++ b/arch/blackfin/include/asm/irq_handler.h @@ -60,7 +60,7 @@ extern void bfin_internal_mask_irq(unsigned int irq); extern void bfin_internal_unmask_irq(unsigned int irq); struct irq_desc; -extern void bfin_demux_mac_status_irq(unsigned int, struct irq_desc *); -extern void bfin_demux_gpio_irq(unsigned int, struct irq_desc *); +extern void bfin_demux_mac_status_irq(struct irq_desc *); +extern void bfin_demux_gpio_irq(struct irq_desc *); #endif diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c index 0ba2576..052cde5 100644 --- a/arch/blackfin/kernel/irqchip.c +++ b/arch/blackfin/kernel/irqchip.c @@ -107,7 +107,7 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs) * than crashing, do something sensible. */ if (irq >= NR_IRQS) - handle_bad_irq(irq, &bad_irq_desc); + handle_bad_irq(&bad_irq_desc); else generic_handle_irq(irq); diff --git a/arch/blackfin/mach-bf537/ints-priority.c b/arch/blackfin/mach-bf537/ints-priority.c index 14b2f74..a48baae 100644 --- a/arch/blackfin/mach-bf537/ints-priority.c +++ b/arch/blackfin/mach-bf537/ints-priority.c @@ -89,8 +89,7 @@ static struct irq_chip bf537_generic_error_irqchip = { .irq_unmask = bf537_generic_error_unmask_irq, }; -static void bf537_demux_error_irq(unsigned int int_err_irq, - struct irq_desc *inta_desc) +static void bf537_demux_error_irq(struct irq_desc *inta_desc) { int irq = 0; @@ -182,15 +181,12 @@ static struct irq_chip bf537_mac_rx_irqchip = { .irq_unmask = bf537_mac_rx_unmask_irq, }; -static void bf537_demux_mac_rx_irq(unsigned int __int_irq, - struct irq_desc *desc) +static void bf537_demux_mac_rx_irq(struct irq_desc *desc) { - unsigned int int_irq = irq_desc_get_irq(desc); - if (bfin_read_DMA1_IRQ_STATUS() & (DMA_DONE | DMA_ERR)) bfin_handle_irq(IRQ_MAC_RX); else - bfin_demux_gpio_irq(int_irq, desc); + bfin_demux_gpio_irq(desc); } #endif diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index a6d1b03..e8d4d74 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -656,8 +656,7 @@ static struct irq_chip bfin_mac_status_irqchip = { .irq_set_wake = bfin_mac_status_set_wake, }; -void bfin_demux_mac_status_irq(unsigned int int_err_irq, - struct irq_desc *inta_desc) +void bfin_demux_mac_status_irq(struct irq_desc *inta_desc) { int i, irq = 0; u32 status = bfin_read_EMAC_SYSTAT(); @@ -825,7 +824,7 @@ static void bfin_demux_gpio_block(unsigned int irq) } } -void bfin_demux_gpio_irq(unsigned int __inta_irq, struct irq_desc *desc) +void bfin_demux_gpio_irq(struct irq_desc *desc) { unsigned int inta_irq = irq_desc_get_irq(desc); unsigned int irq; diff --git a/arch/c6x/platforms/megamod-pic.c b/arch/c6x/platforms/megamod-pic.c index d487698..ddcb45d 100644 --- a/arch/c6x/platforms/megamod-pic.c +++ b/arch/c6x/platforms/megamod-pic.c @@ -93,7 +93,7 @@ static struct irq_chip megamod_chip = { .irq_unmask = unmask_megamod, }; -static void megamod_irq_cascade(unsigned int __irq, struct irq_desc *desc) +static void megamod_irq_cascade(struct irq_desc *desc) { struct megamod_cascade_data *cascade; struct megamod_pic *pic; diff --git a/arch/m68k/amiga/amiints.c b/arch/m68k/amiga/amiints.c index 47b5f90..7ff739e 100644 --- a/arch/m68k/amiga/amiints.c +++ b/arch/m68k/amiga/amiints.c @@ -46,7 +46,7 @@ static struct irq_chip amiga_irq_chip = { * The builtin Amiga hardware interrupt handlers. */ -static void ami_int1(unsigned int irq, struct irq_desc *desc) +static void ami_int1(struct irq_desc *desc) { unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; @@ -69,7 +69,7 @@ static void ami_int1(unsigned int irq, struct irq_desc *desc) } } -static void ami_int3(unsigned int irq, struct irq_desc *desc) +static void ami_int3(struct irq_desc *desc) { unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; @@ -92,7 +92,7 @@ static void ami_int3(unsigned int irq, struct irq_desc *desc) } } -static void ami_int4(unsigned int irq, struct irq_desc *desc) +static void ami_int4(struct irq_desc *desc) { unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; @@ -121,7 +121,7 @@ static void ami_int4(unsigned int irq, struct irq_desc *desc) } } -static void ami_int5(unsigned int irq, struct irq_desc *desc) +static void ami_int5(struct irq_desc *desc) { unsigned short ints = amiga_custom.intreqr & amiga_custom.intenar; diff --git a/arch/m68k/coldfire/intc-5272.c b/arch/m68k/coldfire/intc-5272.c index 47371de..b0a19e2 100644 --- a/arch/m68k/coldfire/intc-5272.c +++ b/arch/m68k/coldfire/intc-5272.c @@ -143,12 +143,10 @@ static int intc_irq_set_type(struct irq_data *d, unsigned int type) * We need to be careful with the masking/acking due to the side effects * of masking an interrupt. */ -static void intc_external_irq(unsigned int __irq, struct irq_desc *desc) +static void intc_external_irq(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); - irq_desc_get_chip(desc)->irq_ack(&desc->irq_data); - handle_simple_irq(irq, desc); + handle_simple_irq(desc); } static struct irq_chip intc_irq_chip = { diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h index 81ca118..a644f4a 100644 --- a/arch/m68k/include/asm/irq.h +++ b/arch/m68k/include/asm/irq.h @@ -64,8 +64,7 @@ extern void m68k_setup_auto_interrupt(void (*handler)(unsigned int, struct pt_regs *)); extern void m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt); extern void m68k_setup_irq_controller(struct irq_chip *, - void (*handle)(unsigned int irq, - struct irq_desc *desc), + void (*handle)(struct irq_desc *desc), unsigned int irq, unsigned int cnt); extern unsigned int irq_canonicalize(unsigned int irq); diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h index fe3fc9a..53c632c 100644 --- a/arch/m68k/include/asm/mac_via.h +++ b/arch/m68k/include/asm/mac_via.h @@ -261,7 +261,7 @@ extern void via_irq_enable(int); extern void via_irq_disable(int); extern void via_nubus_irq_startup(int irq); extern void via_nubus_irq_shutdown(int irq); -extern void via1_irq(unsigned int irq, struct irq_desc *desc); +extern void via1_irq(struct irq_desc *desc); extern void via1_set_head(int); extern int via2_scsi_drq_pending(void); diff --git a/arch/m68k/mac/baboon.c b/arch/m68k/mac/baboon.c index 3fe0e43..f6f7d42 100644 --- a/arch/m68k/mac/baboon.c +++ b/arch/m68k/mac/baboon.c @@ -45,7 +45,7 @@ void __init baboon_init(void) * Baboon interrupt handler. This works a lot like a VIA. */ -static void baboon_irq(unsigned int irq, struct irq_desc *desc) +static void baboon_irq(struct irq_desc *desc) { int irq_bit, irq_num; unsigned char events; diff --git a/arch/m68k/mac/oss.c b/arch/m68k/mac/oss.c index 191610d..55d65927 100644 --- a/arch/m68k/mac/oss.c +++ b/arch/m68k/mac/oss.c @@ -63,7 +63,7 @@ void __init oss_nubus_init(void) * Handle miscellaneous OSS interrupts. */ -static void oss_irq(unsigned int __irq, struct irq_desc *desc) +static void oss_irq(struct irq_desc *desc) { int events = oss->irq_pending & (OSS_IP_IOPSCC | OSS_IP_SCSI | OSS_IP_IOPISM); @@ -99,7 +99,7 @@ static void oss_irq(unsigned int __irq, struct irq_desc *desc) * Unlike the VIA/RBV this is on its own autovector interrupt level. */ -static void oss_nubus_irq(unsigned int irq, struct irq_desc *desc) +static void oss_nubus_irq(struct irq_desc *desc) { int events, irq_bit, i; diff --git a/arch/m68k/mac/psc.c b/arch/m68k/mac/psc.c index 3b9e302..cd38f29 100644 --- a/arch/m68k/mac/psc.c +++ b/arch/m68k/mac/psc.c @@ -113,7 +113,7 @@ void __init psc_init(void) * PSC interrupt handler. It's a lot like the VIA interrupt handler. */ -static void psc_irq(unsigned int __irq, struct irq_desc *desc) +static void psc_irq(struct irq_desc *desc) { unsigned int offset = (unsigned int)irq_desc_get_handler_data(desc); unsigned int irq = irq_desc_get_irq(desc); diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index e198dec..ce56e04 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -446,7 +446,7 @@ void via_nubus_irq_shutdown(int irq) * via6522.c :-), disable/pending masks added. */ -void via1_irq(unsigned int irq, struct irq_desc *desc) +void via1_irq(struct irq_desc *desc) { int irq_num; unsigned char irq_bit, events; @@ -467,7 +467,7 @@ void via1_irq(unsigned int irq, struct irq_desc *desc) } while (events >= irq_bit); } -static void via2_irq(unsigned int irq, struct irq_desc *desc) +static void via2_irq(struct irq_desc *desc) { int irq_num; unsigned char irq_bit, events; @@ -493,7 +493,7 @@ static void via2_irq(unsigned int irq, struct irq_desc *desc) * VIA2 dispatcher as a fast interrupt handler. */ -void via_nubus_irq(unsigned int irq, struct irq_desc *desc) +static void via_nubus_irq(struct irq_desc *desc) { int slot_irq; unsigned char slot_bit, events; diff --git a/arch/metag/kernel/irq.c b/arch/metag/kernel/irq.c index a336094..3074b64 100644 --- a/arch/metag/kernel/irq.c +++ b/arch/metag/kernel/irq.c @@ -94,13 +94,11 @@ void do_IRQ(int irq, struct pt_regs *regs) "MOV D0.5,%0\n" "MOV D1Ar1,%1\n" "MOV D1RtP,%2\n" - "MOV D0Ar2,%3\n" "SWAP A0StP,D0.5\n" "SWAP PC,D1RtP\n" "MOV A0StP,D0.5\n" : - : "r" (isp), "r" (irq), "r" (desc->handle_irq), - "r" (desc) + : "r" (isp), "r" (desc), "r" (desc->handle_irq) : "memory", "cc", "D1Ar1", "D0Ar2", "D1Ar3", "D0Ar4", "D1Ar5", "D0Ar6", "D0Re0", "D1Re0", "D0.4", "D1RtP", "D0.5" diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index 4c496c5..da9f922 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -851,7 +851,7 @@ static struct syscore_ops alchemy_gpic_pmops = { /* create chained handlers for the 4 IC requests to the MIPS IRQ ctrl */ #define DISP(name, base, addr) \ -static void au1000_##name##_dispatch(unsigned int irq, struct irq_desc *d) \ +static void au1000_##name##_dispatch(struct irq_desc *d) \ { \ unsigned long r = __raw_readl((void __iomem *)KSEG1ADDR(addr)); \ if (likely(r)) \ @@ -865,7 +865,7 @@ DISP(ic0r1, AU1000_INTC0_INT_BASE, AU1000_IC0_PHYS_ADDR + IC_REQ1INT) DISP(ic1r0, AU1000_INTC1_INT_BASE, AU1000_IC1_PHYS_ADDR + IC_REQ0INT) DISP(ic1r1, AU1000_INTC1_INT_BASE, AU1000_IC1_PHYS_ADDR + IC_REQ1INT) -static void alchemy_gpic_dispatch(unsigned int irq, struct irq_desc *d) +static void alchemy_gpic_dispatch(struct irq_desc *d) { int i = __raw_readl(AU1300_GPIC_ADDR + AU1300_GPIC_PRIENC); generic_handle_irq(ALCHEMY_GPIC_INT_BASE + i); diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c index 324ad72..faeddf1 100644 --- a/arch/mips/alchemy/devboards/bcsr.c +++ b/arch/mips/alchemy/devboards/bcsr.c @@ -86,7 +86,7 @@ EXPORT_SYMBOL_GPL(bcsr_mod); /* * DB1200/PB1200 CPLD IRQ muxer */ -static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d) +static void bcsr_csc_handler(struct irq_desc *d) { unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT); struct irq_chip *chip = irq_desc_get_chip(d); diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c index ec9a371..8da9961 100644 --- a/arch/mips/ath25/ar2315.c +++ b/arch/mips/ath25/ar2315.c @@ -69,7 +69,7 @@ static struct irqaction ar2315_ahb_err_interrupt = { .name = "ar2315-ahb-error", }; -static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc) +static void ar2315_misc_irq_handler(struct irq_desc *desc) { u32 pending = ar2315_rst_reg_read(AR2315_ISR) & ar2315_rst_reg_read(AR2315_IMR); diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c index e63e38f..acd55a9 100644 --- a/arch/mips/ath25/ar5312.c +++ b/arch/mips/ath25/ar5312.c @@ -73,7 +73,7 @@ static struct irqaction ar5312_ahb_err_interrupt = { .name = "ar5312-ahb-error", }; -static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc) +static void ar5312_misc_irq_handler(struct irq_desc *desc) { u32 pending = ar5312_rst_reg_read(AR5312_ISR) & ar5312_rst_reg_read(AR5312_IMR); diff --git a/arch/mips/ath79/irq.c b/arch/mips/ath79/irq.c index 807132b..15ecb48 100644 --- a/arch/mips/ath79/irq.c +++ b/arch/mips/ath79/irq.c @@ -26,7 +26,7 @@ #include "common.h" #include "machtypes.h" -static void ath79_misc_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ath79_misc_irq_handler(struct irq_desc *desc) { void __iomem *base = ath79_reset_base; u32 pending; @@ -119,7 +119,7 @@ static void __init ath79_misc_irq_init(void) irq_set_chained_handler(ATH79_CPU_IRQ(6), ath79_misc_irq_handler); } -static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc) +static void ar934x_ip2_irq_dispatch(struct irq_desc *desc) { u32 status; @@ -148,7 +148,7 @@ static void ar934x_ip2_irq_init(void) irq_set_chained_handler(ATH79_CPU_IRQ(2), ar934x_ip2_irq_dispatch); } -static void qca955x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc) +static void qca955x_ip2_irq_dispatch(struct irq_desc *desc) { u32 status; @@ -171,7 +171,7 @@ static void qca955x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc) } } -static void qca955x_ip3_irq_dispatch(unsigned int irq, struct irq_desc *desc) +static void qca955x_ip3_irq_dispatch(struct irq_desc *desc) { u32 status; diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index f26c3c6..0352bc8 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -2221,7 +2221,7 @@ static irqreturn_t octeon_irq_cib_handler(int my_irq, void *data) if (irqd_get_trigger_type(irq_data) & IRQ_TYPE_EDGE_BOTH) cvmx_write_csr(host_data->raw_reg, 1ull << i); - generic_handle_irq_desc(irq, desc); + generic_handle_irq_desc(desc); } } diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h index 2a4c128..be52c21 100644 --- a/arch/mips/include/asm/netlogic/common.h +++ b/arch/mips/include/asm/netlogic/common.h @@ -57,8 +57,8 @@ #include struct irq_desc; -void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc); -void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc); +void nlm_smp_function_ipi_handler(struct irq_desc *desc); +void nlm_smp_resched_ipi_handler(struct irq_desc *desc); void nlm_smp_irq_init(int hwcpuid); void nlm_boot_secondary_cpus(void); int nlm_wakeup_secondary_cpus(void); diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c index 6cd69fd..a74e181 100644 --- a/arch/mips/jz4740/gpio.c +++ b/arch/mips/jz4740/gpio.c @@ -291,7 +291,7 @@ static void jz_gpio_check_trigger_both(struct jz_gpio_chip *chip, unsigned int i writel(mask, reg); } -static void jz_gpio_irq_demux_handler(unsigned int irq, struct irq_desc *desc) +static void jz_gpio_irq_demux_handler(struct irq_desc *desc) { uint32_t flag; unsigned int gpio_irq; diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index 0136b4f..10d86d5 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -82,7 +82,7 @@ void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action) } /* IRQ_IPI_SMP_FUNCTION Handler */ -void nlm_smp_function_ipi_handler(unsigned int __irq, struct irq_desc *desc) +void nlm_smp_function_ipi_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); clear_c0_eimr(irq); @@ -92,7 +92,7 @@ void nlm_smp_function_ipi_handler(unsigned int __irq, struct irq_desc *desc) } /* IRQ_IPI_SMP_RESCHEDULE handler */ -void nlm_smp_resched_ipi_handler(unsigned int __irq, struct irq_desc *desc) +void nlm_smp_resched_ipi_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); clear_c0_eimr(irq); diff --git a/arch/mips/pci/pci-ar2315.c b/arch/mips/pci/pci-ar2315.c index f8d0acb..b4fa641 100644 --- a/arch/mips/pci/pci-ar2315.c +++ b/arch/mips/pci/pci-ar2315.c @@ -318,7 +318,7 @@ static int ar2315_pci_host_setup(struct ar2315_pci_ctrl *apc) return 0; } -static void ar2315_pci_irq_handler(unsigned irq, struct irq_desc *desc) +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) & diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c index ad35a5e..7db963d 100644 --- a/arch/mips/pci/pci-ar71xx.c +++ b/arch/mips/pci/pci-ar71xx.c @@ -226,7 +226,7 @@ static struct pci_ops ar71xx_pci_ops = { .write = ar71xx_pci_write_config, }; -static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ar71xx_pci_irq_handler(struct irq_desc *desc) { struct ar71xx_pci_controller *apc; void __iomem *base = ath79_reset_base; diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c index 907d11d..2013dad 100644 --- a/arch/mips/pci/pci-ar724x.c +++ b/arch/mips/pci/pci-ar724x.c @@ -225,7 +225,7 @@ static struct pci_ops ar724x_pci_ops = { .write = ar724x_pci_write, }; -static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ar724x_pci_irq_handler(struct irq_desc *desc) { struct ar724x_pci_controller *apc; void __iomem *base; diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c index 53c8efa..ed6732f9 100644 --- a/arch/mips/pci/pci-rt3883.c +++ b/arch/mips/pci/pci-rt3883.c @@ -129,7 +129,7 @@ static void rt3883_pci_write_cfg32(struct rt3883_pci_controller *rpc, rt3883_pci_w32(rpc, val, RT3883_PCI_REG_CFGDATA); } -static void rt3883_pci_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void rt3883_pci_irq_handler(struct irq_desc *desc) { struct rt3883_pci_controller *rpc; u32 pending; diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c index 8c624a8..4cf77f3 100644 --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -96,7 +96,7 @@ unsigned int get_c0_compare_int(void) return CP0_LEGACY_COMPARE_IRQ; } -static void ralink_intc_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ralink_intc_irq_handler(struct irq_desc *desc) { u32 pending = rt_intc_r32(INTC_REG_STATUS0); diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h index 25784cc..1e155ca 100644 --- a/arch/powerpc/include/asm/qe_ic.h +++ b/arch/powerpc/include/asm/qe_ic.h @@ -59,14 +59,14 @@ enum qe_ic_grp_id { #ifdef CONFIG_QUICC_ENGINE void qe_ic_init(struct device_node *node, unsigned int flags, - void (*low_handler)(unsigned int irq, struct irq_desc *desc), - void (*high_handler)(unsigned int irq, struct irq_desc *desc)); + void (*low_handler)(struct irq_desc *desc), + void (*high_handler)(struct irq_desc *desc)); unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic); unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic); #else static inline void qe_ic_init(struct device_node *node, unsigned int flags, - void (*low_handler)(unsigned int irq, struct irq_desc *desc), - void (*high_handler)(unsigned int irq, struct irq_desc *desc)) + void (*low_handler)(struct irq_desc *desc), + void (*high_handler)(struct irq_desc *desc)) {} static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic) { return 0; } @@ -78,8 +78,7 @@ void qe_ic_set_highest_priority(unsigned int virq, int high); int qe_ic_set_priority(unsigned int virq, unsigned int priority); int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high); -static inline void qe_ic_cascade_low_ipic(unsigned int irq, - struct irq_desc *desc) +static inline void qe_ic_cascade_low_ipic(struct irq_desc *desc) { struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic); @@ -88,8 +87,7 @@ static inline void qe_ic_cascade_low_ipic(unsigned int irq, generic_handle_irq(cascade_irq); } -static inline void qe_ic_cascade_high_ipic(unsigned int irq, - struct irq_desc *desc) +static inline void qe_ic_cascade_high_ipic(struct irq_desc *desc) { struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic); @@ -98,8 +96,7 @@ static inline void qe_ic_cascade_high_ipic(unsigned int irq, generic_handle_irq(cascade_irq); } -static inline void qe_ic_cascade_low_mpic(unsigned int irq, - struct irq_desc *desc) +static inline void qe_ic_cascade_low_mpic(struct irq_desc *desc) { struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic); @@ -111,8 +108,7 @@ static inline void qe_ic_cascade_low_mpic(unsigned int irq, chip->irq_eoi(&desc->irq_data); } -static inline void qe_ic_cascade_high_mpic(unsigned int irq, - struct irq_desc *desc) +static inline void qe_ic_cascade_high_mpic(struct irq_desc *desc) { struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic); @@ -124,8 +120,7 @@ static inline void qe_ic_cascade_high_mpic(unsigned int irq, chip->irq_eoi(&desc->irq_data); } -static inline void qe_ic_cascade_muxed_mpic(unsigned int irq, - struct irq_desc *desc) +static inline void qe_ic_cascade_muxed_mpic(struct irq_desc *desc) { struct qe_ic *qe_ic = irq_desc_get_handler_data(desc); unsigned int cascade_irq; diff --git a/arch/powerpc/include/asm/tsi108_pci.h b/arch/powerpc/include/asm/tsi108_pci.h index 5653d7c..ae59d5b 100644 --- a/arch/powerpc/include/asm/tsi108_pci.h +++ b/arch/powerpc/include/asm/tsi108_pci.h @@ -39,7 +39,7 @@ extern int tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary); extern void tsi108_pci_int_init(struct device_node *node); -extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc); +extern void tsi108_irq_cascade(struct irq_desc *desc); extern void tsi108_clear_pci_cfg_error(void); #endif /* _ASM_POWERPC_TSI108_PCI_H */ diff --git a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c index cf82874..0035d14 100644 --- a/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c +++ b/arch/powerpc/platforms/512x/mpc5121_ads_cpld.c @@ -104,8 +104,7 @@ cpld_pic_get_irq(int offset, u8 ignore, u8 __iomem *statusp, return irq_linear_revmap(cpld_pic_host, cpld_irq); } -static void -cpld_pic_cascade(unsigned int __irq, struct irq_desc *desc) +static void cpld_pic_cascade(struct irq_desc *desc) { unsigned int irq; diff --git a/arch/powerpc/platforms/52xx/media5200.c b/arch/powerpc/platforms/52xx/media5200.c index 32cae33..8fb9548 100644 --- a/arch/powerpc/platforms/52xx/media5200.c +++ b/arch/powerpc/platforms/52xx/media5200.c @@ -80,7 +80,7 @@ static struct irq_chip media5200_irq_chip = { .irq_mask_ack = media5200_irq_mask, }; -void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc) +static void media5200_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); int sub_virq, val; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 6301662..78ac19a 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -191,7 +191,7 @@ static struct irq_chip mpc52xx_gpt_irq_chip = { .irq_set_type = mpc52xx_gpt_irq_set_type, }; -void mpc52xx_gpt_irq_cascade(unsigned int virq, struct irq_desc *desc) +static void mpc52xx_gpt_irq_cascade(struct irq_desc *desc) { struct mpc52xx_gpt_priv *gpt = irq_desc_get_handler_data(desc); int sub_virq; diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c index 74861a7..60e89fc 100644 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c @@ -78,7 +78,7 @@ static struct irq_chip pq2ads_pci_ic = { .irq_disable = pq2ads_pci_mask_irq }; -static void pq2ads_pci_irq_demux(unsigned int irq, struct irq_desc *desc) +static void pq2ads_pci_irq_demux(struct irq_desc *desc) { struct pq2ads_pci_pic *priv = irq_desc_get_handler_data(desc); u32 stat, mask, pend; diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c index 7bfb9b1..23791de 100644 --- a/arch/powerpc/platforms/85xx/common.c +++ b/arch/powerpc/platforms/85xx/common.c @@ -49,7 +49,7 @@ int __init mpc85xx_common_publish_devices(void) return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL); } #ifdef CONFIG_CPM2 -static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) +static void cpm2_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); int cascade_irq; diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 13a8d1a..5ac70de 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -192,10 +192,8 @@ void mpc85xx_cds_fixup_bus(struct pci_bus *bus) } #ifdef CONFIG_PPC_I8259 -static void mpc85xx_8259_cascade_handler(unsigned int __irq, - struct irq_desc *desc) +static void mpc85xx_8259_cascade_handler(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); unsigned int cascade_irq = i8259_irq(); if (cascade_irq != NO_IRQ) @@ -203,7 +201,7 @@ static void mpc85xx_8259_cascade_handler(unsigned int __irq, generic_handle_irq(cascade_irq); /* check for any interrupts from the shared IRQ line */ - handle_fasteoi_irq(irq, desc); + handle_fasteoi_irq(desc); } static irqreturn_t mpc85xx_8259_cascade_action(int irq, void *dev_id) diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index ffdf021..f858306 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -46,7 +46,7 @@ #endif #ifdef CONFIG_PPC_I8259 -static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void mpc85xx_8259_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c index d78fda8..b02d6a5 100644 --- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c +++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c @@ -91,7 +91,7 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq) (irq_hw_number_t)i); } -void socrates_fpga_pic_cascade(unsigned int __irq, struct irq_desc *desc) +static void socrates_fpga_pic_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int irq = irq_desc_get_irq(desc); diff --git a/arch/powerpc/platforms/86xx/pic.c b/arch/powerpc/platforms/86xx/pic.c index d5b98c0..845defa 100644 --- a/arch/powerpc/platforms/86xx/pic.c +++ b/arch/powerpc/platforms/86xx/pic.c @@ -17,7 +17,7 @@ #include #ifdef CONFIG_PPC_I8259 -static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void mpc86xx_8259_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index d303774..c289fc7 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -214,7 +214,7 @@ void mpc8xx_restart(char *cmd) panic("Restart failed\n"); } -static void cpm_cascade(unsigned int irq, struct irq_desc *desc) +static void cpm_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); int cascade_irq = cpm_get_irq(); diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 306888a..e0e68a1 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -93,7 +93,7 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val) dcr_write(msic->dcr_host, dcr_n, val); } -static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc) +static void axon_msi_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct axon_msic *msic = irq_desc_get_handler_data(desc); diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 6558e7e..9f609fc 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -99,7 +99,7 @@ static void iic_ioexc_eoi(struct irq_data *d) { } -static void iic_ioexc_cascade(unsigned int __irq, struct irq_desc *desc) +static void iic_ioexc_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct cbe_iic_regs __iomem *node_iic = diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 1f72f4a..9d27de6 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -199,7 +199,7 @@ static const struct irq_domain_ops spider_host_ops = { .xlate = spider_host_xlate, }; -static void spider_irq_cascade(unsigned int irq, struct irq_desc *desc) +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); diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 15ebc4e..987d1b8 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -363,7 +363,7 @@ void __init chrp_setup_arch(void) if (ppc_md.progress) ppc_md.progress("Linux/PPC "UTS_RELEASE"\n", 0x0); } -static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void chrp_8259_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index 9dd154d..9b79757 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -120,8 +120,7 @@ static unsigned int __hlwd_pic_get_irq(struct irq_domain *h) return irq_linear_revmap(h, irq); } -static void hlwd_pic_irq_cascade(unsigned int cascade_virq, - struct irq_desc *desc) +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); diff --git a/arch/powerpc/platforms/embedded6xx/mvme5100.c b/arch/powerpc/platforms/embedded6xx/mvme5100.c index 1613303..8f65aa3 100644 --- a/arch/powerpc/platforms/embedded6xx/mvme5100.c +++ b/arch/powerpc/platforms/embedded6xx/mvme5100.c @@ -42,7 +42,7 @@ static phys_addr_t pci_membase; static u_char *restart; -static void mvme5100_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void mvme5100_8259_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 39a74fa..9a83eb7 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -111,7 +111,7 @@ static void __init fwnmi_init(void) fwnmi_active = 1; } -static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) +static void pseries_8259_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); diff --git a/arch/powerpc/sysdev/ge/ge_pic.c b/arch/powerpc/sysdev/ge/ge_pic.c index 2bcb78b..d57b775 100644 --- a/arch/powerpc/sysdev/ge/ge_pic.c +++ b/arch/powerpc/sysdev/ge/ge_pic.c @@ -91,7 +91,7 @@ static int gef_pic_cascade_irq; * should be masked out. */ -void gef_pic_cascade(unsigned int irq, struct irq_desc *desc) +static void gef_pic_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq; diff --git a/arch/powerpc/sysdev/ge/ge_pic.h b/arch/powerpc/sysdev/ge/ge_pic.h index 908dbd9..5bf7e4b 100644 --- a/arch/powerpc/sysdev/ge/ge_pic.h +++ b/arch/powerpc/sysdev/ge/ge_pic.h @@ -1,8 +1,6 @@ #ifndef __GEF_PIC_H__ #define __GEF_PIC_H__ - -void gef_pic_cascade(unsigned int, struct irq_desc *); unsigned int gef_pic_get_irq(void); void gef_pic_init(struct device_node *); diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 97a8ae8..537e5db 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1181,7 +1181,7 @@ static int mpic_host_xlate(struct irq_domain *h, struct device_node *ct, } /* IRQ handler for a secondary MPIC cascaded from another IRQ controller */ -static void mpic_cascade(unsigned int irq, struct irq_desc *desc) +static void mpic_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct mpic *mpic = irq_desc_get_handler_data(desc); diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c index 47b352e..fbcc1f8 100644 --- a/arch/powerpc/sysdev/qe_lib/qe_ic.c +++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c @@ -311,8 +311,8 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic) } void __init qe_ic_init(struct device_node *node, unsigned int flags, - void (*low_handler)(unsigned int irq, struct irq_desc *desc), - void (*high_handler)(unsigned int irq, struct irq_desc *desc)) + void (*low_handler)(struct irq_desc *desc), + void (*high_handler)(struct irq_desc *desc)) { struct qe_ic *qe_ic; struct resource res; diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 57b5447..379de95 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -428,7 +428,7 @@ void __init tsi108_pci_int_init(struct device_node *node) init_pci_source(); } -void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc) +void tsi108_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = get_pci_source(); diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c index d773453..6893d8f 100644 --- a/arch/powerpc/sysdev/uic.c +++ b/arch/powerpc/sysdev/uic.c @@ -194,7 +194,7 @@ static const struct irq_domain_ops uic_host_ops = { .xlate = irq_domain_xlate_twocell, }; -void uic_irq_cascade(unsigned int virq, struct irq_desc *desc) +static void uic_irq_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct irq_data *idata = irq_desc_get_irq_data(desc); diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c index 43b8b27..0f52d79 100644 --- a/arch/powerpc/sysdev/xilinx_intc.c +++ b/arch/powerpc/sysdev/xilinx_intc.c @@ -222,7 +222,7 @@ int xilinx_intc_get_irq(void) /* * Support code for cascading to 8259 interrupt controllers */ -static void xilinx_i8259_cascade(unsigned int irq, struct irq_desc *desc) +static void xilinx_i8259_cascade(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); diff --git a/arch/sh/boards/mach-se/7343/irq.c b/arch/sh/boards/mach-se/7343/irq.c index 6f97a8f..6129aef 100644 --- a/arch/sh/boards/mach-se/7343/irq.c +++ b/arch/sh/boards/mach-se/7343/irq.c @@ -29,7 +29,7 @@ static void __iomem *se7343_irq_regs; struct irq_domain *se7343_irq_domain; -static void se7343_irq_demux(unsigned int irq, struct irq_desc *desc) +static void se7343_irq_demux(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); diff --git a/arch/sh/boards/mach-se/7722/irq.c b/arch/sh/boards/mach-se/7722/irq.c index 60aebd1..24c74a8 100644 --- a/arch/sh/boards/mach-se/7722/irq.c +++ b/arch/sh/boards/mach-se/7722/irq.c @@ -28,7 +28,7 @@ static void __iomem *se7722_irq_regs; struct irq_domain *se7722_irq_domain; -static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc) +static void se7722_irq_demux(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); diff --git a/arch/sh/boards/mach-se/7724/irq.c b/arch/sh/boards/mach-se/7724/irq.c index 9f20338..64e681e 100644 --- a/arch/sh/boards/mach-se/7724/irq.c +++ b/arch/sh/boards/mach-se/7724/irq.c @@ -92,7 +92,7 @@ static struct irq_chip se7724_irq_chip __read_mostly = { .irq_unmask = enable_se7724_irq, }; -static void se7724_irq_demux(unsigned int __irq, struct irq_desc *desc) +static void se7724_irq_demux(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct fpga_irq set = get_fpga_irq(irq); diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c index 24555c3..1fb2cbe 100644 --- a/arch/sh/boards/mach-x3proto/gpio.c +++ b/arch/sh/boards/mach-x3proto/gpio.c @@ -60,7 +60,7 @@ static int x3proto_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) return virq; } -static void x3proto_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void x3proto_gpio_irq_handler(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); diff --git a/arch/sh/cchips/hd6446x/hd64461.c b/arch/sh/cchips/hd6446x/hd64461.c index e973561..8180092 100644 --- a/arch/sh/cchips/hd6446x/hd64461.c +++ b/arch/sh/cchips/hd6446x/hd64461.c @@ -56,7 +56,7 @@ static struct irq_chip hd64461_irq_chip = { .irq_unmask = hd64461_unmask_irq, }; -static void hd64461_irq_demux(unsigned int irq, struct irq_desc *desc) +static void hd64461_irq_demux(struct irq_desc *desc) { unsigned short intv = __raw_readw(HD64461_NIRR); unsigned int ext_irq = HD64461_IRQBASE; diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 0299f05..42efcf8 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -53,7 +53,7 @@ static inline unsigned int leon_eirq_get(int cpu) } /* Handle one or multiple IRQs from the extended interrupt controller */ -static void leon_handle_ext_irq(unsigned int irq, struct irq_desc *desc) +static void leon_handle_ext_irq(struct irq_desc *desc) { unsigned int eirq; struct irq_bucket *p; diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c index 3382f7b..1e77128 100644 --- a/arch/sparc/kernel/leon_pci_grpci1.c +++ b/arch/sparc/kernel/leon_pci_grpci1.c @@ -357,7 +357,7 @@ static struct irq_chip grpci1_irq = { }; /* Handle one or multiple IRQs from the PCI core */ -static void grpci1_pci_flow_irq(unsigned int irq, struct irq_desc *desc) +static void grpci1_pci_flow_irq(struct irq_desc *desc) { struct grpci1_priv *priv = grpci1priv; int i, ack = 0; diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c index 814fb17..f727c4d 100644 --- a/arch/sparc/kernel/leon_pci_grpci2.c +++ b/arch/sparc/kernel/leon_pci_grpci2.c @@ -498,7 +498,7 @@ static struct irq_chip grpci2_irq = { }; /* Handle one or multiple IRQs from the PCI core */ -static void grpci2_pci_flow_irq(unsigned int irq, struct irq_desc *desc) +static void grpci2_pci_flow_irq(struct irq_desc *desc) { struct grpci2_priv *priv = grpci2priv; int i, ack = 0; diff --git a/arch/tile/kernel/pci_gx.c b/arch/tile/kernel/pci_gx.c index b3f73fd..4c017d0 100644 --- a/arch/tile/kernel/pci_gx.c +++ b/arch/tile/kernel/pci_gx.c @@ -304,17 +304,16 @@ static struct irq_chip tilegx_legacy_irq_chip = { * to Linux which just calls handle_level_irq() after clearing the * MAC INTx Assert status bit associated with this interrupt. */ -static void trio_handle_level_irq(unsigned int __irq, struct irq_desc *desc) +static void trio_handle_level_irq(struct irq_desc *desc) { struct pci_controller *controller = irq_desc_get_handler_data(desc); gxio_trio_context_t *trio_context = controller->trio; uint64_t intx = (uint64_t)irq_desc_get_chip_data(desc); - unsigned int irq = irq_desc_get_irq(desc); int mac = controller->mac; unsigned int reg_offset; uint64_t level_mask; - handle_level_irq(irq, desc); + handle_level_irq(desc); /* * Clear the INTx Level status, otherwise future interrupts are diff --git a/arch/unicore32/kernel/irq.c b/arch/unicore32/kernel/irq.c index c53729d..eb1fd00 100644 --- a/arch/unicore32/kernel/irq.c +++ b/arch/unicore32/kernel/irq.c @@ -112,7 +112,7 @@ static struct irq_chip puv3_low_gpio_chip = { * irq_controller_lock held, and IRQs disabled. Decode the IRQ * and call the handler. */ -static void puv3_gpio_handler(unsigned int __irq, struct irq_desc *desc) +static void puv3_gpio_handler(struct irq_desc *desc) { unsigned int mask, irq; diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index c80cf66..38da8f2 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -68,11 +68,10 @@ static inline void *current_stack(void) return (void *)(current_stack_pointer() & ~(THREAD_SIZE - 1)); } -static inline int -execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) +static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc) { struct irq_stack *curstk, *irqstk; - u32 *isp, *prev_esp, arg1, arg2; + u32 *isp, *prev_esp, arg1; curstk = (struct irq_stack *) current_stack(); irqstk = __this_cpu_read(hardirq_stack); @@ -98,8 +97,8 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) asm volatile("xchgl %%ebx,%%esp \n" "call *%%edi \n" "movl %%ebx,%%esp \n" - : "=a" (arg1), "=d" (arg2), "=b" (isp) - : "0" (irq), "1" (desc), "2" (isp), + : "=a" (arg1), "=b" (isp) + : "0" (desc), "1" (isp), "D" (desc->handle_irq) : "memory", "cc", "ecx"); return 1; @@ -150,19 +149,15 @@ void do_softirq_own_stack(void) bool handle_irq(struct irq_desc *desc, struct pt_regs *regs) { - unsigned int irq; - int overflow; - - overflow = check_stack_overflow(); + int overflow = check_stack_overflow(); if (IS_ERR_OR_NULL(desc)) return false; - irq = irq_desc_get_irq(desc); - if (user_mode(regs) || !execute_on_irq_stack(overflow, desc, irq)) { + if (user_mode(regs) || !execute_on_irq_stack(overflow, desc)) { if (unlikely(overflow)) print_stack_overflow(); - generic_handle_irq_desc(irq, desc); + generic_handle_irq_desc(desc); } return true; diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index ff16ccb..c767cf2 100644 --- a/arch/x86/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c @@ -75,6 +75,6 @@ bool handle_irq(struct irq_desc *desc, struct pt_regs *regs) if (unlikely(IS_ERR_OR_NULL(desc))) return false; - generic_handle_irq_desc(irq_desc_get_irq(desc), desc); + generic_handle_irq_desc(desc); return true; } diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 161804d..a0d09f6 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1015,7 +1015,7 @@ static struct clock_event_device lguest_clockevent = { * This is the Guest timer interrupt handler (hardware interrupt 0). We just * call the clockevent infrastructure and it does whatever needs doing. */ -static void lguest_time_irq(unsigned int irq, struct irq_desc *desc) +static void lguest_time_irq(struct irq_desc *desc) { unsigned long flags; diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c index 4768a82..2bf37e6 100644 --- a/drivers/dma/ipu/ipu_irq.c +++ b/drivers/dma/ipu/ipu_irq.c @@ -266,7 +266,7 @@ int ipu_irq_unmap(unsigned int source) } /* Chained IRQ handler for IPU function and error interrupt */ -static void ipu_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void ipu_irq_handler(struct irq_desc *desc) { struct ipu *ipu = irq_desc_get_handler_data(desc); u32 status; diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c index 9b7e0b3..1b44941 100644 --- a/drivers/gpio/gpio-altera.c +++ b/drivers/gpio/gpio-altera.c @@ -201,8 +201,7 @@ static int altera_gpio_direction_output(struct gpio_chip *gc, return 0; } -static void altera_gpio_irq_edge_handler(unsigned int irq, - struct irq_desc *desc) +static void altera_gpio_irq_edge_handler(struct irq_desc *desc) { struct altera_gpio_chip *altera_gc; struct irq_chip *chip; @@ -231,8 +230,7 @@ static void altera_gpio_irq_edge_handler(unsigned int irq, } -static void altera_gpio_irq_leveL_high_handler(unsigned int irq, - struct irq_desc *desc) +static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc) { struct altera_gpio_chip *altera_gc; struct irq_chip *chip; diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 31b90ac..33a1f97 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -433,7 +433,7 @@ static int bcm_kona_gpio_irq_set_type(struct irq_data *d, unsigned int type) return 0; } -static void bcm_kona_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void bcm_kona_gpio_irq_handler(struct irq_desc *desc) { void __iomem *reg_base; int bit, bank_id; diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index 9ea86d2..4c64627 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -236,7 +236,7 @@ static void brcmstb_gpio_irq_bank_handler(struct brcmstb_gpio_bank *bank) } /* Each UPG GIO block has one IRQ for all banks */ -static void brcmstb_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void brcmstb_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct brcmstb_gpio_priv *priv = brcmstb_gpio_gc_to_priv(gc); diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index 94b0ab7..5e71538 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -326,8 +326,7 @@ static struct irq_chip gpio_irqchip = { .flags = IRQCHIP_SET_TYPE_MASKED, }; -static void -gpio_irq_handler(unsigned __irq, struct irq_desc *desc) +static void gpio_irq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct davinci_gpio_regs __iomem *g; diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index c5be4b9..fcd5b0a 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -147,7 +147,7 @@ static u32 dwapb_do_irq(struct dwapb_gpio *gpio) return ret; } -static void dwapb_irq_handler(u32 irq, struct irq_desc *desc) +static void dwapb_irq_handler(struct irq_desc *desc) { struct dwapb_gpio *gpio = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index 9d90366..3e3947b 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -78,7 +78,7 @@ static void ep93xx_gpio_int_debounce(unsigned int irq, bool enable) EP93XX_GPIO_REG(int_debounce_register_offset[port])); } -static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ep93xx_gpio_ab_irq_handler(struct irq_desc *desc) { unsigned char status; int i; @@ -100,8 +100,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc) } } -static void ep93xx_gpio_f_irq_handler(unsigned int __irq, - struct irq_desc *desc) +static void ep93xx_gpio_f_irq_handler(struct irq_desc *desc) { /* * map discontiguous hw irq range to continuous sw irq range: diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index aa28c65..7009747 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -301,7 +301,7 @@ static const struct pci_device_id intel_gpio_ids[] = { }; MODULE_DEVICE_TABLE(pci, intel_gpio_ids); -static void intel_mid_irq_handler(unsigned irq, struct irq_desc *desc) +static void intel_mid_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct intel_mid_gpio *priv = to_intel_gpio_priv(gc); diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c index 153af46..127c37b 100644 --- a/drivers/gpio/gpio-lynxpoint.c +++ b/drivers/gpio/gpio-lynxpoint.c @@ -234,7 +234,7 @@ static int lp_gpio_direction_output(struct gpio_chip *chip, return 0; } -static void lp_gpio_irq_handler(unsigned hwirq, struct irq_desc *desc) +static void lp_gpio_irq_handler(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 8ef7a12..48ef368 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -194,7 +194,7 @@ static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset) return -ENXIO; } -static void mpc8xxx_gpio_irq_cascade(unsigned int irq, struct irq_desc *desc) +static void mpc8xxx_gpio_irq_cascade(struct irq_desc *desc) { struct mpc8xxx_gpio_chip *mpc8xxx_gc = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c index 7bcfb87..22523aa 100644 --- a/drivers/gpio/gpio-msic.c +++ b/drivers/gpio/gpio-msic.c @@ -232,7 +232,7 @@ static struct irq_chip msic_irqchip = { .irq_bus_sync_unlock = msic_bus_sync_unlock, }; -static void msic_gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void msic_gpio_irq_handler(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct msic_gpio *mg = irq_data_get_irq_handler_data(data); diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c index d2012cf..4b42221 100644 --- a/drivers/gpio/gpio-msm-v2.c +++ b/drivers/gpio/gpio-msm-v2.c @@ -305,7 +305,7 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int flow_type) * which have been set as summary IRQ lines and which are triggered, * and to call their interrupt handlers. */ -static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc) +static void msm_summary_irq_handler(struct irq_desc *desc) { unsigned long i; struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index b396bf3..df418b8 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -458,7 +458,7 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type) return 0; } -static void mvebu_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void mvebu_gpio_irq_handler(struct irq_desc *desc) { struct mvebu_gpio_chip *mvchip = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index b752b56..5e3235a 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -272,7 +272,7 @@ static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat) } /* MX1 and MX3 has one interrupt *per* gpio port */ -static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) +static void mx3_gpio_irq_handler(struct irq_desc *desc) { u32 irq_stat; struct mxc_gpio_port *port = irq_desc_get_handler_data(desc); @@ -288,7 +288,7 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) } /* MX2 has one interrupt *for all* gpio ports */ -static void mx2_gpio_irq_handler(u32 irq, struct irq_desc *desc) +static void mx2_gpio_irq_handler(struct irq_desc *desc) { u32 irq_msk, irq_stat; struct mxc_gpio_port *port; diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index b7f383e..b7763f0 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -154,7 +154,7 @@ static void mxs_flip_edge(struct mxs_gpio_port *port, u32 gpio) } /* MXS has one interrupt *per* gpio port */ -static void mxs_gpio_irq_handler(u32 irq, struct irq_desc *desc) +static void mxs_gpio_irq_handler(struct irq_desc *desc) { u32 irq_stat; struct mxs_gpio_port *port = irq_desc_get_handler_data(desc); diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 2ae0d47..9df014c 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -709,7 +709,7 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) * line's interrupt handler has been run, we may miss some nested * interrupts. */ -static void omap_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void omap_gpio_irq_handler(struct irq_desc *desc) { void __iomem *isr_reg = NULL; u32 isr; diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index 0475613..229ef65 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -187,7 +187,7 @@ static int pl061_irq_type(struct irq_data *d, unsigned trigger) return 0; } -static void pl061_irq_handler(unsigned irq, struct irq_desc *desc) +static void pl061_irq_handler(struct irq_desc *desc) { unsigned long pending; int offset; diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 55a11de..df2ce55 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -401,7 +401,7 @@ static int pxa_gpio_irq_type(struct irq_data *d, unsigned int type) return 0; } -static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) +static void pxa_gpio_demux_handler(struct irq_desc *desc) { struct pxa_gpio_chip *c; int loop, gpio, gpio_base, n; diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c index 67bd2f5..990fa90 100644 --- a/drivers/gpio/gpio-sa1100.c +++ b/drivers/gpio/gpio-sa1100.c @@ -172,8 +172,7 @@ static struct irq_domain *sa1100_gpio_irqdomain; * irq_controller_lock held, and IRQs disabled. Decode the IRQ * and call the handler. */ -static void -sa1100_gpio_handler(unsigned int __irq, struct irq_desc *desc) +static void sa1100_gpio_handler(struct irq_desc *desc) { unsigned int irq, mask; diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 9b14aaf..027e5f4 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -266,7 +266,7 @@ static void tegra_gpio_irq_shutdown(struct irq_data *d) gpiochip_unlock_as_irq(&tegra_gpio_chip, gpio); } -static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void tegra_gpio_irq_handler(struct irq_desc *desc) { int port; int pin; diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index 5a49205..30653e6 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -192,7 +192,7 @@ out: return ret; } -static void timbgpio_irq(unsigned int irq, struct irq_desc *desc) +static void timbgpio_irq(struct irq_desc *desc) { struct timbgpio *tgpio = irq_desc_get_handler_data(desc); struct irq_data *data = irq_desc_get_irq_data(desc); diff --git a/drivers/gpio/gpio-tz1090.c b/drivers/gpio/gpio-tz1090.c index bbac92a..87bb1b1 100644 --- a/drivers/gpio/gpio-tz1090.c +++ b/drivers/gpio/gpio-tz1090.c @@ -375,7 +375,7 @@ static int gpio_set_irq_wake(struct irq_data *data, unsigned int on) #define gpio_set_irq_wake NULL #endif -static void tz1090_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void tz1090_gpio_irq_handler(struct irq_desc *desc) { irq_hw_number_t hw; unsigned int irq_stat, irq_no; @@ -400,7 +400,7 @@ static void tz1090_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) == IRQ_TYPE_EDGE_BOTH) tz1090_gpio_irq_next_edge(bank, hw); - generic_handle_irq_desc(irq_no, child_desc); + generic_handle_irq_desc(child_desc); } } diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 7a6640b..069f9e4 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -120,7 +120,7 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, return pinctrl_gpio_direction_output(chip->base + gpio); } -static void vf610_gpio_irq_handler(u32 irq, struct irq_desc *desc) +static void vf610_gpio_irq_handler(struct irq_desc *desc) { struct vf610_gpio_port *port = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/gpio/gpio-zx.c b/drivers/gpio/gpio-zx.c index 12ee196..4b8a269 100644 --- a/drivers/gpio/gpio-zx.c +++ b/drivers/gpio/gpio-zx.c @@ -177,7 +177,7 @@ static int zx_irq_type(struct irq_data *d, unsigned trigger) return 0; } -static void zx_irq_handler(unsigned irq, struct irq_desc *desc) +static void zx_irq_handler(struct irq_desc *desc) { unsigned long pending; int offset; diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 27348e7..1d1a586 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -514,7 +514,7 @@ static void zynq_gpio_handle_bank_irq(struct zynq_gpio *gpio, * application for that pin. * Note: A bug is reported if no handler is set for the gpio pin. */ -static void zynq_gpio_irqhandler(unsigned int irq, struct irq_desc *desc) +static void zynq_gpio_irqhandler(struct irq_desc *desc) { u32 int_sts, int_enb; unsigned int bank_num; diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 243f99a..649d03b 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -912,7 +912,7 @@ static void ipu_irq_handle(struct ipu_soc *ipu, const int *regs, int num_regs) } } -static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ipu_irq_handler(struct irq_desc *desc) { struct ipu_soc *ipu = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); @@ -925,7 +925,7 @@ static void ipu_irq_handler(unsigned int irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } -static void ipu_err_irq_handler(unsigned int irq, struct irq_desc *desc) +static void ipu_err_irq_handler(struct irq_desc *desc) { struct ipu_soc *ipu = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index e9c6f2a..94ddc96 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -65,12 +65,10 @@ static void combiner_unmask_irq(struct irq_data *data) __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET); } -static void combiner_handle_cascade_irq(unsigned int __irq, - struct irq_desc *desc) +static void combiner_handle_cascade_irq(struct irq_desc *desc) { struct combiner_chip_data *chip_data = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); - unsigned int irq = irq_desc_get_irq(desc); unsigned int cascade_irq, combiner_irq; unsigned long status; @@ -88,7 +86,7 @@ static void combiner_handle_cascade_irq(unsigned int __irq, cascade_irq = irq_find_mapping(combiner_irq_domain, combiner_irq); if (unlikely(!cascade_irq)) - handle_bad_irq(irq, desc); + handle_bad_irq(desc); else generic_handle_irq(cascade_irq); diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 39b72da..693b9fb 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -447,8 +447,7 @@ static void armada_370_xp_handle_msi_irq(struct pt_regs *regs, bool is_chained) static void armada_370_xp_handle_msi_irq(struct pt_regs *r, bool b) {} #endif -static void armada_370_xp_mpic_handle_cascade_irq(unsigned int irq, - struct irq_desc *desc) +static void armada_370_xp_mpic_handle_cascade_irq(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long irqmap, irqn, irqsrc, cpuid; diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c index ed4ca9d..56c9cf4 100644 --- a/drivers/irqchip/irq-bcm2835.c +++ b/drivers/irqchip/irq-bcm2835.c @@ -96,7 +96,7 @@ struct armctrl_ic { static struct armctrl_ic intc __read_mostly; static void __exception_irq_entry bcm2835_handle_irq( struct pt_regs *regs); -static void bcm2836_chained_handle_irq(unsigned int irq, struct irq_desc *desc); +static void bcm2836_chained_handle_irq(struct irq_desc *desc); static void armctrl_mask_irq(struct irq_data *d) { @@ -245,7 +245,7 @@ static void __exception_irq_entry bcm2835_handle_irq( handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs); } -static void bcm2836_chained_handle_irq(unsigned int irq, struct irq_desc *desc) +static void bcm2836_chained_handle_irq(struct irq_desc *desc) { u32 hwirq; diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c index 409bdc6..0fea985 100644 --- a/drivers/irqchip/irq-bcm7038-l1.c +++ b/drivers/irqchip/irq-bcm7038-l1.c @@ -115,7 +115,7 @@ static inline void l1_writel(u32 val, void __iomem *reg) writel(val, reg); } -static void bcm7038_l1_irq_handle(unsigned int irq, struct irq_desc *desc) +static void bcm7038_l1_irq_handle(struct irq_desc *desc) { struct bcm7038_l1_chip *intc = irq_desc_get_handler_data(desc); struct bcm7038_l1_cpu *cpu; diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c index d3f9769..61b18ab 100644 --- a/drivers/irqchip/irq-bcm7120-l2.c +++ b/drivers/irqchip/irq-bcm7120-l2.c @@ -56,7 +56,7 @@ struct bcm7120_l2_intc_data { const __be32 *map_mask_prop; }; -static void bcm7120_l2_intc_irq_handle(unsigned int irq, struct irq_desc *desc) +static void bcm7120_l2_intc_irq_handle(struct irq_desc *desc) { struct bcm7120_l1_intc_data *data = irq_desc_get_handler_data(desc); struct bcm7120_l2_intc_data *b = data->b; diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index aedda06..65cd341 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -49,13 +49,12 @@ struct brcmstb_l2_intc_data { u32 saved_mask; /* for suspend/resume */ }; -static void brcmstb_l2_intc_irq_handle(unsigned int __irq, - struct irq_desc *desc) +static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc) { struct brcmstb_l2_intc_data *b = irq_desc_get_handler_data(desc); struct irq_chip_generic *gc = irq_get_domain_generic_chip(b->domain, 0); struct irq_chip *chip = irq_desc_get_chip(desc); - unsigned int irq = irq_desc_get_irq(desc); + unsigned int irq; u32 status; chained_irq_enter(chip, desc); @@ -65,7 +64,7 @@ static void brcmstb_l2_intc_irq_handle(unsigned int __irq, if (status == 0) { raw_spin_lock(&desc->lock); - handle_bad_irq(irq, desc); + handle_bad_irq(desc); raw_spin_unlock(&desc->lock); goto out; } diff --git a/drivers/irqchip/irq-dw-apb-ictl.c b/drivers/irqchip/irq-dw-apb-ictl.c index efd95d9..052f266 100644 --- a/drivers/irqchip/irq-dw-apb-ictl.c +++ b/drivers/irqchip/irq-dw-apb-ictl.c @@ -26,7 +26,7 @@ #define APB_INT_FINALSTATUS_H 0x34 #define APB_INT_BASE_OFFSET 0x04 -static void dw_apb_ictl_handler(unsigned int irq, struct irq_desc *desc) +static void dw_apb_ictl_handler(struct irq_desc *desc) { struct irq_domain *d = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 9bccdd2..00bb7c0 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -341,7 +341,7 @@ static void __exception_irq_entry gic_handle_irq(struct pt_regs *regs) } while (1); } -static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) +static void gic_handle_cascade_irq(struct irq_desc *desc) { struct gic_chip_data *chip_data = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); @@ -360,7 +360,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) cascade_irq = irq_find_mapping(chip_data->domain, gic_irq); if (unlikely(gic_irq < 32 || gic_irq > 1020)) - handle_bad_irq(cascade_irq, desc); + handle_bad_irq(desc); else generic_handle_irq(cascade_irq); diff --git a/drivers/irqchip/irq-i8259.c b/drivers/irqchip/irq-i8259.c index 4836102..e484fd2 100644 --- a/drivers/irqchip/irq-i8259.c +++ b/drivers/irqchip/irq-i8259.c @@ -352,7 +352,7 @@ void __init init_i8259_irqs(void) __init_i8259_irqs(NULL); } -static void i8259_irq_dispatch(unsigned int __irq, struct irq_desc *desc) +static void i8259_irq_dispatch(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); int hwirq = i8259_irq(); diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c index 841604b..c02d29c 100644 --- a/drivers/irqchip/irq-imgpdc.c +++ b/drivers/irqchip/irq-imgpdc.c @@ -218,7 +218,7 @@ static int pdc_irq_set_wake(struct irq_data *data, unsigned int on) return 0; } -static void pdc_intc_perip_isr(unsigned int __irq, struct irq_desc *desc) +static void pdc_intc_perip_isr(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct pdc_intc_priv *priv; @@ -240,7 +240,7 @@ found: generic_handle_irq(irq_no); } -static void pdc_intc_syswake_isr(unsigned int irq, struct irq_desc *desc) +static void pdc_intc_syswake_isr(struct irq_desc *desc) { struct pdc_intc_priv *priv; unsigned int syswake, irq_no; diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c index c151726..7b784b6 100644 --- a/drivers/irqchip/irq-keystone.c +++ b/drivers/irqchip/irq-keystone.c @@ -83,7 +83,7 @@ static void keystone_irq_ack(struct irq_data *d) /* nothing to do here */ } -static void keystone_irq_handler(unsigned __irq, struct irq_desc *desc) +static void keystone_irq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct keystone_irq_device *kirq = irq_desc_get_handler_data(desc); diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c index 5f4c529..8c38b3d 100644 --- a/drivers/irqchip/irq-metag-ext.c +++ b/drivers/irqchip/irq-metag-ext.c @@ -446,7 +446,7 @@ static int meta_intc_irq_set_type(struct irq_data *data, unsigned int flow_type) * Whilst using TR2 to detect external interrupts is a software convention it is * (hopefully) unlikely to change. */ -static void meta_intc_irq_demux(unsigned int irq, struct irq_desc *desc) +static void meta_intc_irq_demux(struct irq_desc *desc) { struct meta_intc_priv *priv = &meta_intc_priv; irq_hw_number_t hw; diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c index 3d23ce3..a5f053b 100644 --- a/drivers/irqchip/irq-metag.c +++ b/drivers/irqchip/irq-metag.c @@ -220,7 +220,7 @@ static int metag_internal_irq_set_affinity(struct irq_data *data, * occurred. It is this function's job to demux this irq and * figure out exactly which trigger needs servicing. */ -static void metag_internal_irq_demux(unsigned int irq, struct irq_desc *desc) +static void metag_internal_irq_demux(struct irq_desc *desc) { struct metag_internal_irq_priv *priv = irq_desc_get_handler_data(desc); irq_hw_number_t hw; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 1764bcf..af2f16b 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -546,7 +546,7 @@ static void __gic_irq_dispatch(void) gic_handle_shared_int(false); } -static void gic_irq_dispatch(unsigned int irq, struct irq_desc *desc) +static void gic_irq_dispatch(struct irq_desc *desc) { gic_handle_local_int(true); gic_handle_shared_int(true); diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c index 781ed6e..ea6e3a9 100644 --- a/drivers/irqchip/irq-mmp.c +++ b/drivers/irqchip/irq-mmp.c @@ -129,7 +129,7 @@ struct irq_chip icu_irq_chip = { .irq_unmask = icu_unmask_irq, }; -static void icu_mux_irq_demux(unsigned int __irq, struct irq_desc *desc) +static void icu_mux_irq_demux(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct irq_domain *domain; diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c index 5ea999a..be4c5a8 100644 --- a/drivers/irqchip/irq-orion.c +++ b/drivers/irqchip/irq-orion.c @@ -106,7 +106,7 @@ IRQCHIP_DECLARE(orion_intc, "marvell,orion-intc", orion_irq_init); #define ORION_BRIDGE_IRQ_CAUSE 0x00 #define ORION_BRIDGE_IRQ_MASK 0x04 -static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc) +static void orion_bridge_irq_handler(struct irq_desc *desc) { struct irq_domain *d = irq_desc_get_handler_data(desc); diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index 506d9f2..e47572a 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -298,7 +298,7 @@ static struct irq_chip s3c_irq_eint0t4 = { .irq_set_type = s3c_irqext0_type, }; -static void s3c_irq_demux(unsigned int __irq, struct irq_desc *desc) +static void s3c_irq_demux(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct s3c_irq_data *irq_data = irq_desc_get_chip_data(desc); diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c index 772a82c..c143dd5 100644 --- a/drivers/irqchip/irq-sunxi-nmi.c +++ b/drivers/irqchip/irq-sunxi-nmi.c @@ -58,7 +58,7 @@ static inline u32 sunxi_sc_nmi_read(struct irq_chip_generic *gc, u32 off) return irq_reg_readl(gc, off); } -static void sunxi_sc_nmi_handle_irq(unsigned int irq, struct irq_desc *desc) +static void sunxi_sc_nmi_handle_irq(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/irqchip/irq-tb10x.c b/drivers/irqchip/irq-tb10x.c index 3318296..848d782 100644 --- a/drivers/irqchip/irq-tb10x.c +++ b/drivers/irqchip/irq-tb10x.c @@ -97,7 +97,7 @@ static int tb10x_irq_set_type(struct irq_data *data, unsigned int flow_type) return IRQ_SET_MASK_OK; } -static void tb10x_irq_cascade(unsigned int __irq, struct irq_desc *desc) +static void tb10x_irq_cascade(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); unsigned int irq = irq_desc_get_irq(desc); diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c index 16123f6..1b1c63e 100644 --- a/drivers/irqchip/irq-versatile-fpga.c +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -65,19 +65,19 @@ static void fpga_irq_unmask(struct irq_data *d) writel(mask, f->base + IRQ_ENABLE_SET); } -static void fpga_irq_handle(unsigned int __irq, struct irq_desc *desc) +static void fpga_irq_handle(struct irq_desc *desc) { struct fpga_irq_data *f = irq_desc_get_handler_data(desc); - unsigned int irq = irq_desc_get_irq(desc); u32 status = readl(f->base + IRQ_STATUS); if (status == 0) { - do_bad_IRQ(irq, desc); + do_bad_IRQ(desc); return; } do { - irq = ffs(status) - 1; + unsigned int irq = ffs(status) - 1; + status &= ~(1 << irq); generic_handle_irq(irq_find_mapping(f->domain, irq)); } while (status); diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index 03846df..cb85504 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -225,7 +225,7 @@ static int handle_one_vic(struct vic_device *vic, struct pt_regs *regs) return handled; } -static void vic_handle_irq_cascaded(unsigned int irq, struct irq_desc *desc) +static void vic_handle_irq_cascaded(struct irq_desc *desc) { u32 stat, hwirq; struct irq_chip *host_chip = irq_desc_get_chip(desc); diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index 4cbd9c5..c838c92 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -182,7 +182,7 @@ static struct spear_shirq *spear320_shirq_blocks[] = { &spear320_shirq_intrcomm_ras, }; -static void shirq_handler(unsigned __irq, struct irq_desc *desc) +static void shirq_handler(struct irq_desc *desc) { struct spear_shirq *shirq = irq_desc_get_handler_data(desc); u32 pend; diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 4b54128..a726f01 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -138,7 +138,7 @@ static void asic3_irq_flip_edge(struct asic3 *asic, spin_unlock_irqrestore(&asic->lock, flags); } -static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) +static void asic3_irq_demux(struct irq_desc *desc) { struct asic3 *asic = irq_desc_get_handler_data(desc); struct irq_data *data = irq_desc_get_irq_data(desc); diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c index a76eb6e..b279205 100644 --- a/drivers/mfd/ezx-pcap.c +++ b/drivers/mfd/ezx-pcap.c @@ -205,7 +205,7 @@ static void pcap_isr_work(struct work_struct *work) } while (gpio_get_value(pdata->gpio)); } -static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc) +static void pcap_irq_handler(struct irq_desc *desc) { struct pcap_chip *pcap = irq_desc_get_handler_data(desc); diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c index 9131cdc..6ccaf90 100644 --- a/drivers/mfd/htc-egpio.c +++ b/drivers/mfd/htc-egpio.c @@ -98,7 +98,7 @@ static struct irq_chip egpio_muxed_chip = { .irq_unmask = egpio_unmask, }; -static void egpio_handler(unsigned int irq, struct irq_desc *desc) +static void egpio_handler(struct irq_desc *desc) { struct egpio_info *ei = irq_desc_get_handler_data(desc); int irqpin; diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 5bb49f0..798e443 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -65,7 +65,7 @@ struct jz4740_adc { spinlock_t lock; }; -static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc) +static void jz4740_adc_irq_demux(struct irq_desc *desc) { struct irq_chip_generic *gc = irq_desc_get_handler_data(desc); uint8_t status; diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c index 59502d0..1b7ec08 100644 --- a/drivers/mfd/pm8921-core.c +++ b/drivers/mfd/pm8921-core.c @@ -156,7 +156,7 @@ static int pm8xxx_irq_master_handler(struct pm_irq_chip *chip, int master) return ret; } -static void pm8xxx_irq_handler(unsigned int irq, struct irq_desc *desc) +static void pm8xxx_irq_handler(struct irq_desc *desc) { struct pm_irq_chip *chip = irq_desc_get_handler_data(desc); struct irq_chip *irq_chip = irq_desc_get_chip(desc); diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c index 16fc1ad..94bd89c 100644 --- a/drivers/mfd/t7l66xb.c +++ b/drivers/mfd/t7l66xb.c @@ -185,7 +185,7 @@ static struct mfd_cell t7l66xb_cells[] = { /*--------------------------------------------------------------------------*/ /* Handle the T7L66XB interrupt mux */ -static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc) +static void t7l66xb_irq(struct irq_desc *desc) { struct t7l66xb *t7l66xb = irq_desc_get_handler_data(desc); unsigned int isr; diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c index 775b9ac..8c84a51 100644 --- a/drivers/mfd/tc6393xb.c +++ b/drivers/mfd/tc6393xb.c @@ -522,8 +522,7 @@ static int tc6393xb_register_gpio(struct tc6393xb *tc6393xb, int gpio_base) /*--------------------------------------------------------------------------*/ -static void -tc6393xb_irq(unsigned int irq, struct irq_desc *desc) +static void tc6393xb_irq(struct irq_desc *desc) { struct tc6393xb *tc6393xb = irq_desc_get_handler_data(desc); unsigned int isr; diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index 9a23021..f691d7e 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -282,7 +282,7 @@ void ucb1x00_adc_disable(struct ucb1x00 *ucb) * SIBCLK to talk to the chip. We leave the clock running until * we have finished processing all interrupts from the chip. */ -static void ucb1x00_irq(unsigned int __irq, struct irq_desc *desc) +static void ucb1x00_irq(struct irq_desc *desc) { struct ucb1x00 *ucb = irq_desc_get_handler_data(desc); unsigned int isr, i; diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c index 81253e7..0aa81bd 100644 --- a/drivers/pci/host/pci-keystone.c +++ b/drivers/pci/host/pci-keystone.c @@ -110,7 +110,7 @@ static int ks_pcie_establish_link(struct keystone_pcie *ks_pcie) return -EINVAL; } -static void ks_pcie_msi_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void ks_pcie_msi_irq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct keystone_pcie *ks_pcie = irq_desc_get_handler_data(desc); @@ -138,8 +138,7 @@ static void ks_pcie_msi_irq_handler(unsigned int __irq, struct irq_desc *desc) * Traverse through pending legacy interrupts and invoke handler for each. Also * takes care of interrupt controller level mask/ack operation. */ -static void ks_pcie_legacy_irq_handler(unsigned int __irq, - struct irq_desc *desc) +static void ks_pcie_legacy_irq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct keystone_pcie *ks_pcie = irq_desc_get_handler_data(desc); diff --git a/drivers/pci/host/pci-xgene-msi.c b/drivers/pci/host/pci-xgene-msi.c index 996327c..e491681 100644 --- a/drivers/pci/host/pci-xgene-msi.c +++ b/drivers/pci/host/pci-xgene-msi.c @@ -295,7 +295,7 @@ static int xgene_msi_init_allocator(struct xgene_msi *xgene_msi) return 0; } -static void xgene_msi_isr(unsigned int irq, struct irq_desc *desc) +static void xgene_msi_isr(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct xgene_msi_group *msi_groups; diff --git a/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c b/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c index 7d9482b..1ca7830 100644 --- a/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c @@ -143,7 +143,7 @@ static inline bool cygnus_get_bit(struct cygnus_gpio *chip, unsigned int reg, return !!(readl(chip->base + offset) & BIT(shift)); } -static void cygnus_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void cygnus_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct cygnus_gpio *chip = to_cygnus_gpio(gc); diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c index dac4865..f79ea43 100644 --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -425,7 +425,7 @@ static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) } } -static void byt_gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void byt_gpio_irq_handler(struct irq_desc *desc) { struct irq_data *data = irq_desc_get_irq_data(desc); struct byt_gpio *vg = to_byt_gpio(irq_desc_get_handler_data(desc)); diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 2d5d3dd..270c127 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1414,7 +1414,7 @@ static struct irq_chip chv_gpio_irqchip = { .flags = IRQCHIP_SKIP_SET_WAKE, }; -static void chv_gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void chv_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct chv_pinctrl *pctrl = gpiochip_to_pinctrl(gc); diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index bb377c1..54848b8 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -836,7 +836,7 @@ static void intel_gpio_community_irq_handler(struct gpio_chip *gc, } } -static void intel_gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void intel_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct intel_pinctrl *pctrl = gpiochip_to_pinctrl(gc); diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 7726c6c..1b22f96 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -1190,7 +1190,7 @@ mtk_eint_debounce_process(struct mtk_pinctrl *pctl, int index) } } -static void mtk_eint_irq_handler(unsigned irq, struct irq_desc *desc) +static void mtk_eint_irq_handler(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct mtk_pinctrl *pctl = irq_desc_get_handler_data(desc); diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index 352ede1..96cf039 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -860,7 +860,7 @@ static void __nmk_gpio_irq_handler(struct irq_desc *desc, u32 status) chained_irq_exit(host_chip, desc); } -static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) +static void nmk_gpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *chip = irq_desc_get_handler_data(desc); struct nmk_gpio_chip *nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); @@ -873,7 +873,7 @@ static void nmk_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) __nmk_gpio_irq_handler(desc, status); } -static void nmk_gpio_latent_irq_handler(unsigned int irq, struct irq_desc *desc) +static void nmk_gpio_latent_irq_handler(struct irq_desc *desc) { struct gpio_chip *chip = irq_desc_get_handler_data(desc); struct nmk_gpio_chip *nmk_chip = container_of(chip, struct nmk_gpio_chip, chip); diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c index a5976eb..f6be685 100644 --- a/drivers/pinctrl/pinctrl-adi2.c +++ b/drivers/pinctrl/pinctrl-adi2.c @@ -530,8 +530,7 @@ static inline void preflow_handler(struct irq_desc *desc) static inline void preflow_handler(struct irq_desc *desc) { } #endif -static void adi_gpio_handle_pint_irq(unsigned int inta_irq, - struct irq_desc *desc) +static void adi_gpio_handle_pint_irq(struct irq_desc *desc) { u32 request; u32 level_mask, hwirq; diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 5e86bb8..3318f1d 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -492,15 +492,15 @@ static struct irq_chip amd_gpio_irqchip = { .irq_set_type = amd_gpio_irq_set_type, }; -static void amd_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void amd_gpio_irq_handler(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); u32 i; u32 off; u32 reg; u32 pin_reg; u64 reg64; int handled = 0; + unsigned int irq; unsigned long flags; struct irq_chip *chip = irq_desc_get_chip(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); @@ -541,7 +541,7 @@ static void amd_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc) } if (handled == 0) - handle_bad_irq(irq, desc); + handle_bad_irq(desc); spin_lock_irqsave(&gpio_dev->lock, flags); reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG); diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index bae0012..b0fde0f 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1585,7 +1585,7 @@ static struct irq_chip gpio_irqchip = { .irq_set_wake = gpio_irq_set_wake, }; -static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void gpio_irq_handler(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct gpio_chip *gpio_chip = irq_desc_get_handler_data(desc); diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c index 3731cc6..9c9b889 100644 --- a/drivers/pinctrl/pinctrl-coh901.c +++ b/drivers/pinctrl/pinctrl-coh901.c @@ -519,7 +519,7 @@ static struct irq_chip u300_gpio_irqchip = { .irq_set_type = u300_gpio_irq_type, }; -static void u300_gpio_irq_handler(unsigned __irq, struct irq_desc *desc) +static void u300_gpio_irq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct irq_chip *parent_chip = irq_desc_get_chip(desc); diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index f22d585..952b1c6 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -1310,13 +1310,11 @@ static int pistachio_gpio_irq_set_type(struct irq_data *data, unsigned int type) return 0; } -static void pistachio_gpio_irq_handler(unsigned int __irq, - struct irq_desc *desc) +static void pistachio_gpio_irq_handler(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct pistachio_gpio_bank *bank = gc_to_bank(gc); - struct irq_chip *chip = irq_get_chip(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); unsigned long pending; unsigned int pin; diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index c5246c0..88bb707 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -1475,7 +1475,7 @@ static const struct gpio_chip rockchip_gpiolib_chip = { * Interrupt handling */ -static void rockchip_irq_demux(unsigned int __irq, struct irq_desc *desc) +static void rockchip_irq_demux(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct rockchip_pin_bank *bank = irq_desc_get_handler_data(desc); diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index bf548c2..ef04b96 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1679,7 +1679,7 @@ static irqreturn_t pcs_irq_handler(int irq, void *d) * Use this if you have a separate interrupt for each * pinctrl-single instance. */ -static void pcs_irq_chain_handler(unsigned int irq, struct irq_desc *desc) +static void pcs_irq_chain_handler(struct irq_desc *desc) { struct pcs_soc_data *pcs_soc = irq_desc_get_handler_data(desc); struct irq_chip *chip; diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index f8338d2..389526e 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1460,7 +1460,7 @@ static void __gpio_irq_handler(struct st_gpio_bank *bank) } } -static void st_gpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void st_gpio_irq_handler(struct irq_desc *desc) { /* interrupt dedicated per bank */ struct irq_chip *chip = irq_desc_get_chip(desc); @@ -1472,7 +1472,7 @@ static void st_gpio_irq_handler(unsigned irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } -static void st_gpio_irqmux_handler(unsigned irq, struct irq_desc *desc) +static void st_gpio_irqmux_handler(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct st_pinctrl *info = irq_desc_get_handler_data(desc); diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 492cdd5..a0c7407 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -765,9 +765,8 @@ static struct irq_chip msm_gpio_irq_chip = { .irq_set_wake = msm_gpio_irq_set_wake, }; -static void msm_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc) +static void msm_gpio_irq_handler(struct irq_desc *desc) { - unsigned int irq = irq_desc_get_irq(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); const struct msm_pingroup *g; struct msm_pinctrl *pctrl = to_msm_pinctrl(gc); @@ -795,7 +794,7 @@ static void msm_gpio_irq_handler(unsigned int __irq, struct irq_desc *desc) /* No interrupts were flagged */ if (handled == 0) - handle_bad_irq(irq, desc); + handle_bad_irq(desc); chained_irq_exit(chip, desc); } diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 5f45caa..71ccf6a 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -419,7 +419,7 @@ static const struct of_device_id exynos_wkup_irq_ids[] = { }; /* interrupt handler for wakeup interrupts 0..15 */ -static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc) +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; @@ -451,7 +451,7 @@ static inline void exynos_irq_demux_eint(unsigned long pend, } /* interrupt handler for wakeup interrupt 16 */ -static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc) +static void exynos_irq_demux_eint16_31(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct exynos_muxed_weint_data *eintd = irq_desc_get_handler_data(desc); diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c index 019844d..b3cd9ae 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c @@ -240,7 +240,7 @@ static struct irq_chip s3c2410_eint0_3_chip = { .irq_set_type = s3c24xx_eint_type, }; -static void s3c2410_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +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); @@ -295,7 +295,7 @@ static struct irq_chip s3c2412_eint0_3_chip = { .irq_set_type = s3c24xx_eint_type, }; -static void s3c2412_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +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); @@ -388,12 +388,12 @@ static inline void s3c24xx_demux_eint(struct irq_desc *desc, chained_irq_exit(chip, desc); } -static void s3c24xx_demux_eint4_7(unsigned int irq, struct irq_desc *desc) +static void s3c24xx_demux_eint4_7(struct irq_desc *desc) { s3c24xx_demux_eint(desc, 0, 0xf0); } -static void s3c24xx_demux_eint8_23(unsigned int irq, struct irq_desc *desc) +static void s3c24xx_demux_eint8_23(struct irq_desc *desc) { s3c24xx_demux_eint(desc, 8, 0xffff00); } diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index f5ea40a..43407ab 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -407,7 +407,7 @@ static const struct irq_domain_ops s3c64xx_gpio_irqd_ops = { .xlate = irq_domain_xlate_twocell, }; -static void s3c64xx_eint_gpio_irq(unsigned int irq, struct irq_desc *desc) +static void s3c64xx_eint_gpio_irq(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct s3c64xx_eint_gpio_data *data = irq_desc_get_handler_data(desc); @@ -631,22 +631,22 @@ static inline void s3c64xx_irq_demux_eint(struct irq_desc *desc, u32 range) chained_irq_exit(chip, desc); } -static void s3c64xx_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +static void s3c64xx_demux_eint0_3(struct irq_desc *desc) { s3c64xx_irq_demux_eint(desc, 0xf); } -static void s3c64xx_demux_eint4_11(unsigned int irq, struct irq_desc *desc) +static void s3c64xx_demux_eint4_11(struct irq_desc *desc) { s3c64xx_irq_demux_eint(desc, 0xff0); } -static void s3c64xx_demux_eint12_19(unsigned int irq, struct irq_desc *desc) +static void s3c64xx_demux_eint12_19(struct irq_desc *desc) { s3c64xx_irq_demux_eint(desc, 0xff000); } -static void s3c64xx_demux_eint20_27(unsigned int irq, struct irq_desc *desc) +static void s3c64xx_demux_eint20_27(struct irq_desc *desc) { s3c64xx_irq_demux_eint(desc, 0xff00000); } diff --git a/drivers/pinctrl/sirf/pinctrl-atlas7.c b/drivers/pinctrl/sirf/pinctrl-atlas7.c index 9df0c5f..0d24d9e 100644 --- a/drivers/pinctrl/sirf/pinctrl-atlas7.c +++ b/drivers/pinctrl/sirf/pinctrl-atlas7.c @@ -4489,7 +4489,7 @@ static struct irq_chip atlas7_gpio_irq_chip = { .irq_set_type = atlas7_gpio_irq_type, }; -static void atlas7_gpio_handle_irq(unsigned int __irq, struct irq_desc *desc) +static void atlas7_gpio_handle_irq(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct atlas7_gpio_chip *a7gc = to_atlas7_gpio(gc); @@ -4512,7 +4512,7 @@ static void atlas7_gpio_handle_irq(unsigned int __irq, struct irq_desc *desc) if (!status) { pr_warn("%s: gpio [%s] status %#x no interrupt is flaged\n", __func__, gc->label, status); - handle_bad_irq(irq, desc); + handle_bad_irq(desc); return; } diff --git a/drivers/pinctrl/sirf/pinctrl-sirf.c b/drivers/pinctrl/sirf/pinctrl-sirf.c index f8bd9fb..2a8d697 100644 --- a/drivers/pinctrl/sirf/pinctrl-sirf.c +++ b/drivers/pinctrl/sirf/pinctrl-sirf.c @@ -545,7 +545,7 @@ static struct irq_chip sirfsoc_irq_chip = { .irq_set_type = sirfsoc_gpio_irq_type, }; -static void sirfsoc_gpio_handle_irq(unsigned int __irq, struct irq_desc *desc) +static void sirfsoc_gpio_handle_irq(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct gpio_chip *gc = irq_desc_get_handler_data(desc); @@ -570,7 +570,7 @@ static void sirfsoc_gpio_handle_irq(unsigned int __irq, struct irq_desc *desc) printk(KERN_WARNING "%s: gpio id %d status %#x no interrupt is flagged\n", __func__, bank->id, status); - handle_bad_irq(irq, desc); + handle_bad_irq(desc); return; } diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c index ae8f29f..1f0af25 100644 --- a/drivers/pinctrl/spear/pinctrl-plgpio.c +++ b/drivers/pinctrl/spear/pinctrl-plgpio.c @@ -356,7 +356,7 @@ static struct irq_chip plgpio_irqchip = { .irq_set_type = plgpio_irq_set_type, }; -static void plgpio_irq_handler(unsigned irq, struct irq_desc *desc) +static void plgpio_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); struct plgpio *plgpio = container_of(gc, struct plgpio, chip); diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index 31af97d..38e0c7b 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -740,7 +740,7 @@ static struct irq_domain_ops sunxi_pinctrl_irq_domain_ops = { .xlate = sunxi_pinctrl_irq_of_xlate, }; -static void sunxi_pinctrl_irq_handler(unsigned __irq, struct irq_desc *desc) +static void sunxi_pinctrl_irq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 043419d..8e72bcb 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -65,7 +65,7 @@ void intc_set_prio_level(unsigned int irq, unsigned int level) raw_spin_unlock_irqrestore(&intc_big_lock, flags); } -static void intc_redirect_irq(unsigned int irq, struct irq_desc *desc) +static void intc_redirect_irq(struct irq_desc *desc) { generic_handle_irq((unsigned int)irq_desc_get_handler_data(desc)); } diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c index bafc51c..e789962 100644 --- a/drivers/sh/intc/virq.c +++ b/drivers/sh/intc/virq.c @@ -109,7 +109,7 @@ static int add_virq_to_pirq(unsigned int irq, unsigned int virq) return 0; } -static void intc_virq_handler(unsigned int __irq, struct irq_desc *desc) +static void intc_virq_handler(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct irq_data *data = irq_desc_get_irq_data(desc); @@ -127,7 +127,7 @@ static void intc_virq_handler(unsigned int __irq, struct irq_desc *desc) handle = (unsigned long)irq_desc_get_handler_data(vdesc); addr = INTC_REG(d, _INTC_ADDR_E(handle), 0); if (intc_reg_fns[_INTC_FN(handle)](addr, handle, 0)) - generic_handle_irq_desc(entry->irq, vdesc); + generic_handle_irq_desc(vdesc); } } diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c index 6bc13f9..052aecf 100644 --- a/drivers/soc/dove/pmu.c +++ b/drivers/soc/dove/pmu.c @@ -222,7 +222,7 @@ static void __pmu_domain_register(struct pmu_domain *domain, } /* PMU IRQ controller */ -static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) +static void pmu_irq_handler(struct irq_desc *desc) { struct pmu_data *pmu = irq_desc_get_handler_data(desc); struct irq_chip_generic *gc = pmu->irq_gc; @@ -232,7 +232,7 @@ static void pmu_irq_handler(unsigned int irq, struct irq_desc *desc) u32 done = ~0; if (stat == 0) { - handle_bad_irq(irq_desc_get_irq(desc), desc); + handle_bad_irq(desc); return; } diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c index bdfb3c8..4a3cf9b 100644 --- a/drivers/spmi/spmi-pmic-arb.c +++ b/drivers/spmi/spmi-pmic-arb.c @@ -451,7 +451,7 @@ static void periph_interrupt(struct spmi_pmic_arb_dev *pa, u8 apid) } } -static void pmic_arb_chained_irq(unsigned int irq, struct irq_desc *desc) +static void pmic_arb_chained_irq(struct irq_desc *desc) { struct spmi_pmic_arb_dev *pa = irq_desc_get_handler_data(desc); struct irq_chip *chip = irq_desc_get_chip(desc); diff --git a/include/linux/irq.h b/include/linux/irq.h index 4913c32..11bf092 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -475,14 +475,14 @@ static inline int irq_set_parent(int irq, int parent_irq) * Built-in IRQ handlers for various IRQ types, * callable via desc->handle_irq() */ -extern void handle_level_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc); -extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc); +extern void handle_level_irq(struct irq_desc *desc); +extern void handle_fasteoi_irq(struct irq_desc *desc); +extern void handle_edge_irq(struct irq_desc *desc); +extern void handle_edge_eoi_irq(struct irq_desc *desc); +extern void handle_simple_irq(struct irq_desc *desc); +extern void handle_percpu_irq(struct irq_desc *desc); +extern void handle_percpu_devid_irq(struct irq_desc *desc); +extern void handle_bad_irq(struct irq_desc *desc); extern void handle_nested_irq(unsigned int irq); extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index fbb4d5a..a587a33 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -135,9 +135,9 @@ static inline struct msi_desc *irq_desc_get_msi_desc(struct irq_desc *desc) * Architectures call this to let the generic IRQ layer * handle an interrupt. */ -static inline void generic_handle_irq_desc(unsigned int irq, struct irq_desc *desc) +static inline void generic_handle_irq_desc(struct irq_desc *desc) { - desc->handle_irq(irq, desc); + desc->handle_irq(desc); } int generic_handle_irq(unsigned int irq); diff --git a/include/linux/irqhandler.h b/include/linux/irqhandler.h index 62d5430..661bed0 100644 --- a/include/linux/irqhandler.h +++ b/include/linux/irqhandler.h @@ -8,7 +8,7 @@ struct irq_desc; struct irq_data; -typedef void (*irq_flow_handler_t)(unsigned int irq, struct irq_desc *desc); +typedef void (*irq_flow_handler_t)(struct irq_desc *desc); typedef void (*irq_preflow_handler_t)(struct irq_data *data); #endif diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 8c55d54..e28169d 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -372,7 +372,6 @@ static bool irq_may_run(struct irq_desc *desc) /** * handle_simple_irq - Simple and software-decoded IRQs. - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Simple interrupts are either sent from a demultiplexing interrupt @@ -382,8 +381,7 @@ static bool irq_may_run(struct irq_desc *desc) * Note: The caller is expected to handle the ack, clear, mask and * unmask issues if necessary. */ -void -handle_simple_irq(unsigned int irq, struct irq_desc *desc) +void handle_simple_irq(struct irq_desc *desc) { raw_spin_lock(&desc->lock); @@ -425,7 +423,6 @@ static void cond_unmask_irq(struct irq_desc *desc) /** * handle_level_irq - Level type irq handler - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Level type interrupts are active as long as the hardware line has @@ -433,8 +430,7 @@ static void cond_unmask_irq(struct irq_desc *desc) * it after the associated handler has acknowledged the device, so the * interrupt line is back to inactive. */ -void -handle_level_irq(unsigned int irq, struct irq_desc *desc) +void handle_level_irq(struct irq_desc *desc) { raw_spin_lock(&desc->lock); mask_ack_irq(desc); @@ -496,7 +492,6 @@ static void cond_unmask_eoi_irq(struct irq_desc *desc, struct irq_chip *chip) /** * handle_fasteoi_irq - irq handler for transparent controllers - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Only a single callback will be issued to the chip: an ->eoi() @@ -504,8 +499,7 @@ static void cond_unmask_eoi_irq(struct irq_desc *desc, struct irq_chip *chip) * for modern forms of interrupt handlers, which handle the flow * details in hardware, transparently. */ -void -handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc) +void handle_fasteoi_irq(struct irq_desc *desc) { struct irq_chip *chip = desc->irq_data.chip; @@ -546,7 +540,6 @@ EXPORT_SYMBOL_GPL(handle_fasteoi_irq); /** * handle_edge_irq - edge type IRQ handler - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Interrupt occures on the falling and/or rising edge of a hardware @@ -560,8 +553,7 @@ EXPORT_SYMBOL_GPL(handle_fasteoi_irq); * the handler was running. If all pending interrupts are handled, the * loop is left. */ -void -handle_edge_irq(unsigned int irq, struct irq_desc *desc) +void handle_edge_irq(struct irq_desc *desc) { raw_spin_lock(&desc->lock); @@ -618,13 +610,12 @@ EXPORT_SYMBOL(handle_edge_irq); #ifdef CONFIG_IRQ_EDGE_EOI_HANDLER /** * handle_edge_eoi_irq - edge eoi type IRQ handler - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Similar as the above handle_edge_irq, but using eoi and w/o the * mask/unmask logic. */ -void handle_edge_eoi_irq(unsigned int irq, struct irq_desc *desc) +void handle_edge_eoi_irq(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); @@ -665,13 +656,11 @@ out_eoi: /** * handle_percpu_irq - Per CPU local irq handler - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Per CPU interrupts on SMP machines without locking requirements */ -void -handle_percpu_irq(unsigned int irq, struct irq_desc *desc) +void handle_percpu_irq(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); @@ -688,7 +677,6 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc) /** * handle_percpu_devid_irq - Per CPU local irq handler with per cpu dev ids - * @irq: the interrupt number * @desc: the interrupt description structure for this irq * * Per CPU interrupts on SMP machines without locking requirements. Same as @@ -698,11 +686,12 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc) * contain the real device id for the cpu on which this handler is * called */ -void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc) +void handle_percpu_devid_irq(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct irqaction *action = desc->action; void *dev_id = raw_cpu_ptr(action->percpu_dev_id); + unsigned int irq = irq_desc_get_irq(desc); irqreturn_t res; kstat_incr_irqs_this_cpu(desc); diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index b6eeea8..de41a68 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -27,8 +27,10 @@ * * Handles spurious and unhandled IRQ's. It also prints a debugmessage. */ -void handle_bad_irq(unsigned int irq, struct irq_desc *desc) +void handle_bad_irq(struct irq_desc *desc) { + unsigned int irq = irq_desc_get_irq(desc); + print_irq_desc(irq, desc); kstat_incr_irqs_this_cpu(desc); ack_bad_irq(irq); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 5966694..239e2ae 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -347,7 +347,7 @@ int generic_handle_irq(unsigned int irq) if (!desc) return -EINVAL; - generic_handle_irq_desc(irq, desc); + generic_handle_irq_desc(desc); return 0; } EXPORT_SYMBOL_GPL(generic_handle_irq); diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index dd95f44..b86886b 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -38,7 +38,7 @@ static void resend_irqs(unsigned long arg) clear_bit(irq, irqs_resend); desc = irq_to_desc(irq); local_irq_disable(); - desc->handle_irq(irq, desc); + desc->handle_irq(desc); local_irq_enable(); } } -- cgit v0.10.2 From ca0141de743dc7760fdfeb9210b82dadf6d9b221 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Sat, 29 Aug 2015 18:01:21 -0500 Subject: gpu/drm: Kill off set_irq_flags usage set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring Cc: linux-arm-kernel@lists.infradead.org Cc: Russell King Cc: David Airlie Cc: dri-devel@lists.freedesktop.org Signed-off-by: Thomas Gleixner diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c index b1f73be..b0d4b53 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c @@ -178,7 +178,6 @@ static int mdp5_hw_irqdomain_map(struct irq_domain *d, irq_set_chip_and_handler(irq, &mdp5_hw_irq_chip, handle_level_irq); irq_set_chip_data(irq, mdp5_kms); - set_irq_flags(irq, IRQF_VALID); return 0; } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 649d03b..e5a38d2 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1099,8 +1099,7 @@ static int ipu_irq_init(struct ipu_soc *ipu) } ret = irq_alloc_domain_generic_chips(ipu->domain, 32, 1, "IPU", - handle_level_irq, 0, - IRQF_VALID, 0); + handle_level_irq, 0, 0, 0); if (ret < 0) { dev_err(ipu->dev, "failed to alloc generic irq chips\n"); irq_domain_remove(ipu->domain); -- cgit v0.10.2 From d17cab4451df1f25f3a46369e0aaeaa18390fa6b Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Sat, 29 Aug 2015 18:01:22 -0500 Subject: irqchip: Kill off set_irq_flags usage set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring Cc: linux-arm-kernel@lists.infradead.org Cc: Russell King Cc: Jason Cooper Cc: Kukjin Kim Cc: Krzysztof Kozlowski Cc: Stephen Warren Cc: Lee Jones Cc: Alexander Shiyan Cc: Maxime Ripard Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Link: http://lkml.kernel.org/r/1440889285-5637-3-git-send-email-robh@kernel.org Signed-off-by: Thomas Gleixner diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 94ddc96..cd7d3bc 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -163,7 +163,7 @@ static int combiner_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_set_chip_and_handler(irq, &combiner_chip, handle_level_irq); irq_set_chip_data(irq, &combiner_data[hw >> 3]); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); return 0; } diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 693b9fb..655cb96 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -200,7 +200,6 @@ static int armada_370_xp_msi_map(struct irq_domain *domain, unsigned int virq, { irq_set_chip_and_handler(virq, &armada_370_xp_msi_irq_chip, handle_simple_irq); - set_irq_flags(virq, IRQF_VALID); return 0; } @@ -317,7 +316,7 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h, irq_set_chip_and_handler(virq, &armada_370_xp_irq_chip, handle_level_irq); } - set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(virq); return 0; } diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c index 56c9cf4..bf9cc5f 100644 --- a/drivers/irqchip/irq-bcm2835.c +++ b/drivers/irqchip/irq-bcm2835.c @@ -166,7 +166,7 @@ static int __init armctrl_of_init(struct device_node *node, BUG_ON(irq <= 0); irq_set_chip_and_handler(irq, &armctrl_chip, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); } } diff --git a/drivers/irqchip/irq-clps711x.c b/drivers/irqchip/irq-clps711x.c index 2dd929e..eb5eb0c 100644 --- a/drivers/irqchip/irq-clps711x.c +++ b/drivers/irqchip/irq-clps711x.c @@ -132,14 +132,14 @@ static int __init clps711x_intc_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { irq_flow_handler_t handler = handle_level_irq; - unsigned int flags = IRQF_VALID | IRQF_PROBE; + unsigned int flags = 0; if (!clps711x_irqs[hw].flags) return 0; if (clps711x_irqs[hw].flags & CLPS711X_FLAG_FIQ) { handler = handle_bad_irq; - flags |= IRQF_NOAUTOEN; + flags |= IRQ_NOAUTOEN; } else if (clps711x_irqs[hw].eoi) { handler = handle_fasteoi_irq; } @@ -149,7 +149,7 @@ static int __init clps711x_intc_irq_map(struct irq_domain *h, unsigned int virq, writel_relaxed(0, clps711x_intc->base + clps711x_irqs[hw].eoi); irq_set_chip_and_handler(virq, &clps711x_intc_chip, handler); - set_irq_flags(virq, flags); + irq_modify_status(virq, IRQ_NOPROBE, flags); return 0; } diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index b5418f5..36ecfc8 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -752,13 +752,13 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_set_percpu_devid(irq); irq_domain_set_info(d, irq, hw, chip, d->host_data, handle_percpu_devid_irq, NULL, NULL); - set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN); + irq_set_status_flags(irq, IRQ_NOAUTOEN); } /* SPIs */ if (hw >= 32 && hw < gic_data.irq_nr) { irq_domain_set_info(d, irq, hw, chip, d->host_data, handle_fasteoi_irq, NULL, NULL); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); } /* LPIs */ if (hw >= 8192 && hw < GIC_ID_NR) { @@ -766,7 +766,6 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, return -EPERM; irq_domain_set_info(d, irq, hw, chip, d->host_data, handle_fasteoi_irq, NULL, NULL); - set_irq_flags(irq, IRQF_VALID); } return 0; diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 00bb7c0..982c09c 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -890,11 +890,11 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_set_percpu_devid(irq); irq_domain_set_info(d, irq, hw, chip, d->host_data, handle_percpu_devid_irq, NULL, NULL); - set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN); + irq_set_status_flags(irq, IRQ_NOAUTOEN); } else { irq_domain_set_info(d, irq, hw, chip, d->host_data, handle_fasteoi_irq, NULL, NULL); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); } return 0; } diff --git a/drivers/irqchip/irq-hip04.c b/drivers/irqchip/irq-hip04.c index a0128c7..8f3ca8f 100644 --- a/drivers/irqchip/irq-hip04.c +++ b/drivers/irqchip/irq-hip04.c @@ -307,11 +307,11 @@ static int hip04_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_set_percpu_devid(irq); irq_set_chip_and_handler(irq, &hip04_irq_chip, handle_percpu_devid_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN); + irq_set_status_flags(irq, IRQ_NOAUTOEN); } else { irq_set_chip_and_handler(irq, &hip04_irq_chip, handle_fasteoi_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); } irq_set_chip_data(irq, d->host_data); return 0; diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c index 7b784b6..deb89d6 100644 --- a/drivers/irqchip/irq-keystone.c +++ b/drivers/irqchip/irq-keystone.c @@ -127,7 +127,7 @@ static int keystone_irq_map(struct irq_domain *h, unsigned int virq, irq_set_chip_data(virq, kirq); irq_set_chip_and_handler(virq, &kirq->chip, handle_level_irq); - set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(virq); return 0; } diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c index ea6e3a9..013fc96 100644 --- a/drivers/irqchip/irq-mmp.c +++ b/drivers/irqchip/irq-mmp.c @@ -164,7 +164,6 @@ static int mmp_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) { irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); return 0; } @@ -234,7 +233,6 @@ void __init icu_init_irq(void) for (irq = 0; irq < 64; irq++) { icu_mask_irq(irq_get_irq_data(irq)); irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq); - set_irq_flags(irq, IRQF_VALID); } irq_set_default_host(icu_data[0].domain); set_handle_irq(mmp_handle_irq); @@ -337,7 +335,6 @@ void __init mmp2_init_icu(void) irq_set_chip_and_handler(irq, &icu_irq_chip, handle_level_irq); } - set_irq_flags(irq, IRQF_VALID); } irq_set_default_host(icu_data[0].domain); set_handle_irq(mmp2_handle_irq); diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c index 1faf812..604df63 100644 --- a/drivers/irqchip/irq-mxs.c +++ b/drivers/irqchip/irq-mxs.c @@ -84,7 +84,6 @@ static int icoll_irq_domain_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw) { irq_set_chip_and_handler(virq, &mxs_icoll_chip, handle_level_irq); - set_irq_flags(virq, IRQF_VALID); return 0; } diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index d3546a6..9525335 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -353,7 +353,6 @@ static int intc_irqpin_irq_domain_map(struct irq_domain *h, unsigned int virq, irq_set_chip_data(virq, h->host_data); irq_set_lockdep_class(virq, &intc_irqpin_irq_lock_class); irq_set_chip_and_handler(virq, &p->irq_chip, handle_level_irq); - set_irq_flags(virq, IRQF_VALID); /* kill me now */ return 0; } diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index e47572a..7154b01 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -466,13 +466,11 @@ static int s3c24xx_irq_map(struct irq_domain *h, unsigned int virq, irq_set_chip_data(virq, irq_data); - set_irq_flags(virq, IRQF_VALID); - if (parent_intc && irq_data->type != S3C_IRQTYPE_NONE) { if (irq_data->parent_irq > 31) { pr_err("irq-s3c24xx: parent irq %lu is out of range\n", irq_data->parent_irq); - goto err; + return -EINVAL; } parent_irq_data = &parent_intc->irqs[irq_data->parent_irq]; @@ -485,18 +483,12 @@ static int s3c24xx_irq_map(struct irq_domain *h, unsigned int virq, if (!irqno) { pr_err("irq-s3c24xx: could not find mapping for parent irq %lu\n", irq_data->parent_irq); - goto err; + return -EINVAL; } irq_set_chained_handler(irqno, s3c_irq_demux); } return 0; - -err: - set_irq_flags(virq, 0); - - /* the only error can result from bad mapping data*/ - return -EINVAL; } static const struct irq_domain_ops s3c24xx_irq_ops = { @@ -1174,8 +1166,6 @@ static int s3c24xx_irq_map_of(struct irq_domain *h, unsigned int virq, irq_set_chip_data(virq, irq_data); - set_irq_flags(virq, IRQF_VALID); - return 0; } diff --git a/drivers/irqchip/irq-sun4i.c b/drivers/irqchip/irq-sun4i.c index 4ad3e7c..0704362 100644 --- a/drivers/irqchip/irq-sun4i.c +++ b/drivers/irqchip/irq-sun4i.c @@ -83,7 +83,7 @@ static int sun4i_irq_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw) { irq_set_chip_and_handler(virq, &sun4i_irq_chip, handle_fasteoi_irq); - set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(virq); return 0; } diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c index 1b1c63e..598ab3f 100644 --- a/drivers/irqchip/irq-versatile-fpga.c +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -128,7 +128,7 @@ static int fpga_irqdomain_map(struct irq_domain *d, unsigned int irq, irq_set_chip_data(irq, f); irq_set_chip_and_handler(irq, &f->chip, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); return 0; } diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index cb85504..b956dff 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -201,7 +201,7 @@ static int vic_irqdomain_map(struct irq_domain *d, unsigned int irq, return -EPERM; irq_set_chip_and_handler(irq, &vic_chip, handle_level_irq); irq_set_chip_data(irq, v->base); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + irq_set_probe(irq); return 0; } diff --git a/drivers/irqchip/irq-vt8500.c b/drivers/irqchip/irq-vt8500.c index 8371d99..f9af0af 100644 --- a/drivers/irqchip/irq-vt8500.c +++ b/drivers/irqchip/irq-vt8500.c @@ -167,7 +167,6 @@ static int vt8500_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw) { irq_set_chip_and_handler(virq, &vt8500_irq_chip, handle_level_irq); - set_irq_flags(virq, IRQF_VALID); return 0; } diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index c838c92..1ccd2ab 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -211,7 +211,6 @@ static void __init spear_shirq_register(struct spear_shirq *shirq, for (i = 0; i < shirq->nr_irqs; i++) { irq_set_chip_and_handler(shirq->virq_base + i, shirq->irq_chip, handle_simple_irq); - set_irq_flags(shirq->virq_base + i, IRQF_VALID); irq_set_chip_data(shirq->virq_base + i, shirq); } } -- cgit v0.10.2 From 3e15135b98ecaa0228eb5dad42be7516cac38aa0 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Sat, 29 Aug 2015 18:01:23 -0500 Subject: sh: Kill off set_irq_flags usage set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring Acked-by: Simon Horman Cc: linux-arm-kernel@lists.infradead.org Cc: linux-sh@vger.kernel.org Cc: Russell King Cc: Magnus Damm Link: http://lkml.kernel.org/r/1440889285-5637-4-git-send-email-robh@kernel.org Signed-off-by: Thomas Gleixner diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h index 7dff08e..6ce7f0d 100644 --- a/drivers/sh/intc/internals.h +++ b/drivers/sh/intc/internals.h @@ -99,15 +99,7 @@ static inline struct intc_desc_int *get_intc_desc(unsigned int irq) */ static inline void activate_irq(int irq) { -#ifdef CONFIG_ARM - /* ARM requires an extra step to clear IRQ_NOREQUEST, which it - * sets on behalf of every irq_chip. Also sets IRQ_NOPROBE. - */ - set_irq_flags(irq, IRQF_VALID); -#else - /* same effect on other architectures */ - irq_set_noprobe(irq); -#endif + irq_modify_status(irq, IRQ_NOREQUEST, IRQ_NOPROBE); } static inline int intc_handle_int_cmp(const void *a, const void *b) -- cgit v0.10.2 From eb811129ed9ea50ef2dfe8a83ddde6a16d1eb8d4 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Sat, 29 Aug 2015 18:01:24 -0500 Subject: ARM: Remove ununsed set_irq_flags Now that all users of set_irq_flags and custom flags are converted to genirq functions, the ARM specific set_irq_flags can be removed. Signed-off-by: Rob Herring Tested-by: Kevin Hilman Cc: linux-arm-kernel@lists.infradead.org Cc: Russell King Signed-off-by: Thomas Gleixner diff --git a/arch/arm/include/asm/hw_irq.h b/arch/arm/include/asm/hw_irq.h index af79da4..9beb929 100644 --- a/arch/arm/include/asm/hw_irq.h +++ b/arch/arm/include/asm/hw_irq.h @@ -11,12 +11,6 @@ static inline void ack_bad_irq(int irq) pr_crit("unexpected IRQ trap at vector %02x\n", irq); } -void set_irq_flags(unsigned int irq, unsigned int flags); - -#define IRQF_VALID (1 << 0) -#define IRQF_PROBE (1 << 1) -#define IRQF_NOAUTOEN (1 << 2) - #define ARCH_IRQ_INIT_FLAGS (IRQ_NOREQUEST | IRQ_NOPROBE) #endif diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 5ff4826..2766183 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -79,26 +79,6 @@ asm_do_IRQ(unsigned int irq, struct pt_regs *regs) handle_IRQ(irq, regs); } -void set_irq_flags(unsigned int irq, unsigned int iflags) -{ - unsigned long clr = 0, set = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; - - if (irq >= nr_irqs) { - pr_err("Trying to set irq flags for IRQ%d\n", irq); - return; - } - - if (iflags & IRQF_VALID) - clr |= IRQ_NOREQUEST; - if (iflags & IRQF_PROBE) - clr |= IRQ_NOPROBE; - if (!(iflags & IRQF_NOAUTOEN)) - clr |= IRQ_NOAUTOEN; - /* Order is clear bits in "clr" then set bits in "set" */ - irq_modify_status(irq, clr, set & ~clr); -} -EXPORT_SYMBOL_GPL(set_irq_flags); - void __init init_IRQ(void) { int ret; -- cgit v0.10.2 From ae80a2f2d142b97ec68434313f0263256916683d Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Sat, 29 Aug 2015 18:01:25 -0500 Subject: arm64: Remove ununsed set_irq_flags Now that all users of set_irq_flags and custom flags are converted to genirq functions, the ARM specific set_irq_flags can be removed. Signed-off-by: Rob Herring Acked-by: Catalin Marinas Cc: linux-arm-kernel@lists.infradead.org Cc: Russell King Cc: Will Deacon Signed-off-by: Thomas Gleixner diff --git a/arch/arm64/include/asm/hardirq.h b/arch/arm64/include/asm/hardirq.h index 2bb7009..a57601f 100644 --- a/arch/arm64/include/asm/hardirq.h +++ b/arch/arm64/include/asm/hardirq.h @@ -43,9 +43,4 @@ static inline void ack_bad_irq(unsigned int irq) irq_err_count++; } -/* - * No arch-specific IRQ flags. - */ -#define set_irq_flags(irq, flags) - #endif /* __ASM_HARDIRQ_H */ -- cgit v0.10.2