[v2,05/17] irqchip: Convert all alloc/xlate users from of_node to fwnode

Message ID	1444737105-31573-6-git-send-email-marc.zyngier@arm.com (mailing list archive)
State	Not Applicable, archived
Headers	show Return-Path: <linux-acpi-owner@kernel.org> From: Marc Zyngier <marc.zyngier@arm.com> To: Thomas Gleixner <tglx@linutronix.de>, Jiang Liu <jiang.liu@linux.intel.com>, Jason Cooper <jason@lakedaemon.net>, "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: <linux-acpi@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Tomasz Nowicki <tomasz.nowicki@linaro.org>, Hanjun Guo <hanjun.guo@linaro.org>, Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>, Graeme Gregory <graeme@xora.org.uk>, Jake Oshins <jakeo@microsoft.com> Subject: [PATCH v2 05/17] irqchip: Convert all alloc/xlate users from of_node to fwnode Date: Tue, 13 Oct 2015 12:51:33 +0100 Message-Id: <1444737105-31573-6-git-send-email-marc.zyngier@arm.com> In-Reply-To: <1444737105-31573-1-git-send-email-marc.zyngier@arm.com> References: <1444737105-31573-1-git-send-email-marc.zyngier@arm.com> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk

diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index af97afc..5a7e47c 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -177,54 +177,57 @@ static struct irq_chip exynos_pmu_chip = { #endif }; -static int exynos_pmu_domain_xlate(struct irq_domain *domain, - struct device_node *controller, - const u32 *intspec, - unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int exynos_pmu_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (irq_domain_get_of_node(domain) != controller) - return -EINVAL; /* Shouldn't happen, really... */ - if (intsize != 3) - return -EINVAL; /* Not GIC compliant */ - if (intspec[0] != 0) - return -EINVAL; /* No PPI should point to this domain */ + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - *out_hwirq = intspec[1]; - *out_type = intspec[2]; - return 0; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; + + *hwirq = fwspec->param[1]; + *type = fwspec->param[2]; + return 0; + } + + return -EINVAL; } static int exynos_pmu_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *data) { - struct of_phandle_args *args = data; - struct of_phandle_args parent_args; + struct irq_fwspec *fwspec = data; + struct irq_fwspec parent_fwspec; irq_hw_number_t hwirq; int i; - if (args->args_count != 3) + if (fwspec->param_count != 3) return -EINVAL; /* Not GIC compliant */ - if (args->args[0] != 0) + if (fwspec->param[0] != 0) return -EINVAL; /* No PPI should point to this domain */ - hwirq = args->args[1]; + hwirq = fwspec->param[1]; for (i = 0; i < nr_irqs; i++) irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i, &exynos_pmu_chip, NULL); - parent_args = *args; - parent_args.np = irq_domain_get_of_node(domain->parent); - return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &parent_args); + parent_fwspec = *fwspec; + parent_fwspec.fwnode = domain->parent->fwnode; + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, + &parent_fwspec); } static const struct irq_domain_ops exynos_pmu_domain_ops = { - .xlate = exynos_pmu_domain_xlate, - .alloc = exynos_pmu_domain_alloc, - .free = irq_domain_free_irqs_common, + .translate = exynos_pmu_domain_translate, + .alloc = exynos_pmu_domain_alloc, + .free = irq_domain_free_irqs_common, }; static int __init exynos_pmu_irq_init(struct device_node *node, diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 7b32255..10bf715 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -181,40 +181,42 @@ static struct irq_chip imx_gpc_chip = { #endif }; -static int imx_gpc_domain_xlate(struct irq_domain *domain, - struct device_node *controller, - const u32 *intspec, - unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int imx_gpc_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (irq_domain_get_of_node(domain) != controller) - return -EINVAL; /* Shouldn't happen, really... */ - if (intsize != 3) - return -EINVAL; /* Not GIC compliant */ - if (intspec[0] != 0) - return -EINVAL; /* No PPI should point to this domain */ + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - *out_hwirq = intspec[1]; - *out_type = intspec[2]; - return 0; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; + + *hwirq = fwspec->param[1]; + *type = fwspec->param[2]; + return 0; + } + + return -EINVAL; } static int imx_gpc_domain_alloc(struct irq_domain *domain, unsigned int irq, unsigned int nr_irqs, void *data) { - struct of_phandle_args *args = data; - struct of_phandle_args parent_args; + struct irq_fwspec *fwspec = data; + struct irq_fwspec parent_fwspec; irq_hw_number_t hwirq; int i; - if (args->args_count != 3) + if (fwspec->param_count != 3) return -EINVAL; /* Not GIC compliant */ - if (args->args[0] != 0) + if (fwspec->param[0] != 0) return -EINVAL; /* No PPI should point to this domain */ - hwirq = args->args[1]; + hwirq = fwspec->param[1]; if (hwirq >= GPC_MAX_IRQS) return -EINVAL; /* Can't deal with this */ @@ -222,15 +224,16 @@ static int imx_gpc_domain_alloc(struct irq_domain *domain, irq_domain_set_hwirq_and_chip(domain, irq + i, hwirq + i, &imx_gpc_chip, NULL); - parent_args = *args; - parent_args.np = irq_domain_get_of_node(domain->parent); - return irq_domain_alloc_irqs_parent(domain, irq, nr_irqs, &parent_args); + parent_fwspec = *fwspec; + parent_fwspec.fwnode = domain->parent->fwnode; + return irq_domain_alloc_irqs_parent(domain, irq, nr_irqs, + &parent_fwspec); } static const struct irq_domain_ops imx_gpc_domain_ops = { - .xlate = imx_gpc_domain_xlate, - .alloc = imx_gpc_domain_alloc, - .free = irq_domain_free_irqs_common, + .translate = imx_gpc_domain_translate, + .alloc = imx_gpc_domain_alloc, + .free = irq_domain_free_irqs_common, }; static int __init imx_gpc_init(struct device_node *node, diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c index f0f7ffd..db7e0ba 100644 --- a/arch/arm/mach-omap2/omap-wakeupgen.c +++ b/arch/arm/mach-omap2/omap-wakeupgen.c @@ -399,40 +399,42 @@ static struct irq_chip wakeupgen_chip = { #endif }; -static int wakeupgen_domain_xlate(struct irq_domain *domain, - struct device_node *controller, - const u32 *intspec, - unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int wakeupgen_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (irq_domain_get_of_node(domain) != controller) - return -EINVAL; /* Shouldn't happen, really... */ - if (intsize != 3) - return -EINVAL; /* Not GIC compliant */ - if (intspec[0] != 0) - return -EINVAL; /* No PPI should point to this domain */ + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - *out_hwirq = intspec[1]; - *out_type = intspec[2]; - return 0; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; + + *hwirq = fwspec->param[1]; + *type = fwspec->param[2]; + return 0; + } + + return -EINVAL; } static int wakeupgen_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *data) { - struct of_phandle_args *args = data; - struct of_phandle_args parent_args; + struct irq_fwspec *fwspec = data; + struct irq_fwspec parent_fwspec; irq_hw_number_t hwirq; int i; - if (args->args_count != 3) + if (fwspec->param_count != 3) return -EINVAL; /* Not GIC compliant */ - if (args->args[0] != 0) + if (fwspec->param[0] != 0) return -EINVAL; /* No PPI should point to this domain */ - hwirq = args->args[1]; + hwirq = fwspec->param[1]; if (hwirq >= MAX_IRQS) return -EINVAL; /* Can't deal with this */ @@ -440,15 +442,16 @@ static int wakeupgen_domain_alloc(struct irq_domain *domain, irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i, &wakeupgen_chip, NULL); - parent_args = *args; - parent_args.np = irq_domain_get_of_node(domain->parent); - return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &parent_args); + parent_fwspec = *fwspec; + parent_fwspec.fwnode = domain->parent->fwnode; + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, + &parent_fwspec); } static const struct irq_domain_ops wakeupgen_domain_ops = { - .xlate = wakeupgen_domain_xlate, - .alloc = wakeupgen_domain_alloc, - .free = irq_domain_free_irqs_common, + .translate = wakeupgen_domain_translate, + .alloc = wakeupgen_domain_alloc, + .free = irq_domain_free_irqs_common, }; /* diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index f1d666a..75573fa 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -78,10 +78,13 @@ static struct irq_chip crossbar_chip = { static int allocate_gic_irq(struct irq_domain *domain, unsigned virq, irq_hw_number_t hwirq) { - struct of_phandle_args args; + struct irq_fwspec fwspec; int i; int err; + if (!irq_domain_get_of_node(domain->parent)) + return -EINVAL; + raw_spin_lock(&cb->lock); for (i = cb->int_max - 1; i >= 0; i--) { if (cb->irq_map[i] == IRQ_FREE) { @@ -94,13 +97,13 @@ static int allocate_gic_irq(struct irq_domain *domain, unsigned virq, if (i < 0) return -ENODEV; - args.np = irq_domain_get_of_node(domain->parent); - args.args_count = 3; - args.args[0] = 0; /* SPI */ - args.args[1] = i; - args.args[2] = IRQ_TYPE_LEVEL_HIGH; + fwspec.fwnode = domain->parent->fwnode; + fwspec.param_count = 3; + fwspec.param[0] = 0; /* SPI */ + fwspec.param[1] = i; + fwspec.param[2] = IRQ_TYPE_LEVEL_HIGH; - err = irq_domain_alloc_irqs_parent(domain, virq, 1, &args); + err = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec); if (err) cb->irq_map[i] = IRQ_FREE; else @@ -112,16 +115,16 @@ static int allocate_gic_irq(struct irq_domain *domain, unsigned virq, static int crossbar_domain_alloc(struct irq_domain *d, unsigned int virq, unsigned int nr_irqs, void *data) { - struct of_phandle_args *args = data; + struct irq_fwspec *fwspec = data; irq_hw_number_t hwirq; int i; - if (args->args_count != 3) + if (fwspec->param_count != 3) return -EINVAL; /* Not GIC compliant */ - if (args->args[0] != 0) + if (fwspec->param[0] != 0) return -EINVAL; /* No PPI should point to this domain */ - hwirq = args->args[1]; + hwirq = fwspec->param[1]; if ((hwirq + nr_irqs) > cb->max_crossbar_sources) return -EINVAL; /* Can't deal with this */ @@ -166,28 +169,31 @@ static void crossbar_domain_free(struct irq_domain *domain, unsigned int virq, raw_spin_unlock(&cb->lock); } -static int crossbar_domain_xlate(struct irq_domain *d, - struct device_node *controller, - const u32 *intspec, unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int crossbar_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (irq_domain_get_of_node(d) != controller) - return -EINVAL; /* Shouldn't happen, really... */ - if (intsize != 3) - return -EINVAL; /* Not GIC compliant */ - if (intspec[0] != 0) - return -EINVAL; /* No PPI should point to this domain */ + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - *out_hwirq = intspec[1]; - *out_type = intspec[2]; - return 0; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; + + *hwirq = fwspec->param[1]; + *type = fwspec->param[2]; + return 0; + } + + return -EINVAL; } static const struct irq_domain_ops crossbar_domain_ops = { - .alloc = crossbar_domain_alloc, - .free = crossbar_domain_free, - .xlate = crossbar_domain_xlate, + .alloc = crossbar_domain_alloc, + .free = crossbar_domain_free, + .translate = crossbar_domain_translate, }; static int __init crossbar_of_init(struct device_node *node) diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index 7c268ee..3b88e17 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -124,17 +124,21 @@ static int gicv2m_irq_gic_domain_alloc(struct irq_domain *domain, unsigned int virq, irq_hw_number_t hwirq) { - struct of_phandle_args args; + struct irq_fwspec fwspec; struct irq_data *d; int err; - args.np = irq_domain_get_of_node(domain->parent); - args.args_count = 3; - args.args[0] = 0; - args.args[1] = hwirq - 32; - args.args[2] = IRQ_TYPE_EDGE_RISING; + if (is_of_node(domain->parent->fwnode)) { + fwspec.fwnode = domain->parent->fwnode; + fwspec.param_count = 3; + fwspec.param[0] = 0; + fwspec.param[1] = hwirq - 32; + fwspec.param[2] = IRQ_TYPE_EDGE_RISING; + } else { + return -EINVAL; + } - err = irq_domain_alloc_irqs_parent(domain, virq, 1, &args); + err = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec); if (err) return err; diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 3cfafab..e23d1d1 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1265,15 +1265,19 @@ static int its_irq_gic_domain_alloc(struct irq_domain *domain, unsigned int virq, irq_hw_number_t hwirq) { - struct of_phandle_args args; - - args.np = irq_domain_get_of_node(domain->parent); - args.args_count = 3; - args.args[0] = GIC_IRQ_TYPE_LPI; - args.args[1] = hwirq; - args.args[2] = IRQ_TYPE_EDGE_RISING; + struct irq_fwspec fwspec; + + if (irq_domain_get_of_node(domain->parent)) { + fwspec.fwnode = domain->parent->fwnode; + fwspec.param_count = 3; + fwspec.param[0] = GIC_IRQ_TYPE_LPI; + fwspec.param[1] = hwirq; + fwspec.param[2] = IRQ_TYPE_EDGE_RISING; + } else { + return -EINVAL; + } - return irq_domain_alloc_irqs_parent(domain, virq, 1, &args); + return irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec); } static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 5793880..05d010b 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -737,32 +737,30 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, return 0; } -static int gic_irq_domain_xlate(struct irq_domain *d, - struct device_node *controller, - const u32 *intspec, unsigned int intsize, - unsigned long *out_hwirq, unsigned int *out_type) +static int gic_irq_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (irq_domain_get_of_node(d) != controller) - return -EINVAL; - if (intsize < 3) - return -EINVAL; + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count < 3) + return -EINVAL; - switch(intspec[0]) { - case 0: /* SPI */ - *out_hwirq = intspec[1] + 32; - break; - case 1: /* PPI */ - *out_hwirq = intspec[1] + 16; - break; - case GIC_IRQ_TYPE_LPI: /* LPI */ - *out_hwirq = intspec[1]; - break; - default: - return -EINVAL; + /* Get the interrupt number and add 16 to skip over SGIs */ + *hwirq = fwspec->param[1] + 16; + + /* + * For SPIs, we need to add 16 more to get the GIC irq + * ID number + */ + if (!fwspec->param[0]) + *hwirq += 16; + + *type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK; + return 0; } - *out_type = intspec[2] & IRQ_TYPE_SENSE_MASK; - return 0; + return -EINVAL; } static int gic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, @@ -771,10 +769,9 @@ static int gic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, int i, ret; irq_hw_number_t hwirq; unsigned int type = IRQ_TYPE_NONE; - struct of_phandle_args *irq_data = arg; + struct irq_fwspec *fwspec = arg; - ret = gic_irq_domain_xlate(domain, irq_data->np, irq_data->args, - irq_data->args_count, &hwirq, &type); + ret = gic_irq_domain_translate(domain, fwspec, &hwirq, &type); if (ret) return ret; @@ -797,7 +794,7 @@ static void gic_irq_domain_free(struct irq_domain *domain, unsigned int virq, } static const struct irq_domain_ops gic_irq_domain_ops = { - .xlate = gic_irq_domain_xlate, + .translate = gic_irq_domain_translate, .alloc = gic_irq_domain_alloc, .free = gic_irq_domain_free, }; diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index abdccfb..9262bb9 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -940,6 +940,32 @@ static int gic_irq_domain_xlate(struct irq_domain *d, return ret; } +static int gic_irq_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) +{ + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count < 3) + return -EINVAL; + + /* Get the interrupt number and add 16 to skip over SGIs */ + *hwirq = fwspec->param[1] + 16; + + /* + * For SPIs, we need to add 16 more to get the GIC irq + * ID number + */ + if (!fwspec->param[0]) + *hwirq += 16; + + *type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK; + return 0; + } + + return -EINVAL; +} + #ifdef CONFIG_SMP static int gic_secondary_init(struct notifier_block *nfb, unsigned long action, void *hcpu) @@ -965,10 +991,9 @@ static int gic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, int i, ret; irq_hw_number_t hwirq; unsigned int type = IRQ_TYPE_NONE; - struct of_phandle_args *irq_data = arg; + struct irq_fwspec *fwspec = arg; - ret = gic_irq_domain_xlate(domain, irq_data->np, irq_data->args, - irq_data->args_count, &hwirq, &type); + ret = gic_irq_domain_translate(domain, fwspec, &hwirq, &type); if (ret) return ret; @@ -979,7 +1004,7 @@ static int gic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, } static const struct irq_domain_ops gic_irq_domain_hierarchy_ops = { - .xlate = gic_irq_domain_xlate, + .translate = gic_irq_domain_translate, .alloc = gic_irq_domain_alloc, .free = irq_domain_free_irqs_top, }; diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index 05302ce..15af9a9 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -150,49 +150,42 @@ static struct irq_chip gpcv2_irqchip_data_chip = { #endif }; -static int imx_gpcv2_domain_xlate(struct irq_domain *domain, - struct device_node *controller, - const u32 *intspec, - unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int imx_gpcv2_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - /* Shouldn't happen, really... */ - if (irq_domain_get_of_node(domain) != controller) - return -EINVAL; + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - /* Not GIC compliant */ - if (intsize != 3) - return -EINVAL; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; - /* No PPI should point to this domain */ - if (intspec[0] != 0) - return -EINVAL; + *hwirq = fwspec->param[1]; + *type = fwspec->param[2]; + return 0; + } - *out_hwirq = intspec[1]; - *out_type = intspec[2]; - return 0; + return -EINVAL; } static int imx_gpcv2_domain_alloc(struct irq_domain *domain, unsigned int irq, unsigned int nr_irqs, void *data) { - struct of_phandle_args *args = data; - struct of_phandle_args parent_args; + struct irq_fwspec *fwspec = data; + struct irq_fwspec parent_fwspec; irq_hw_number_t hwirq; + unsigned int type; + int err; int i; - /* Not GIC compliant */ - if (args->args_count != 3) - return -EINVAL; - - /* No PPI should point to this domain */ - if (args->args[0] != 0) - return -EINVAL; + err = imx_gpcv2_domain_translate(domain, fwspec, &hwirq, &type); + if (err) + return err; - /* Can't deal with this */ - hwirq = args->args[1]; if (hwirq >= GPC_MAX_IRQS) return -EINVAL; @@ -201,15 +194,16 @@ static int imx_gpcv2_domain_alloc(struct irq_domain *domain, &gpcv2_irqchip_data_chip, domain->host_data); } - parent_args = *args; - parent_args.np = irq_domain_get_of_node(domain->parent); - return irq_domain_alloc_irqs_parent(domain, irq, nr_irqs, &parent_args); + parent_fwspec = *fwspec; + parent_fwspec.fwnode = domain->parent->fwnode; + return irq_domain_alloc_irqs_parent(domain, irq, nr_irqs, + &parent_fwspec); } static struct irq_domain_ops gpcv2_irqchip_data_domain_ops = { - .xlate = imx_gpcv2_domain_xlate, - .alloc = imx_gpcv2_domain_alloc, - .free = irq_domain_free_irqs_common, + .translate = imx_gpcv2_domain_translate, + .alloc = imx_gpcv2_domain_alloc, + .free = irq_domain_free_irqs_common, }; static int __init imx_gpcv2_irqchip_init(struct device_node *node, diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c index b072166..63ac73b 100644 --- a/drivers/irqchip/irq-mtk-sysirq.c +++ b/drivers/irqchip/irq-mtk-sysirq.c @@ -67,22 +67,25 @@ static struct irq_chip mtk_sysirq_chip = { .irq_set_affinity = irq_chip_set_affinity_parent, }; -static int mtk_sysirq_domain_xlate(struct irq_domain *d, - struct device_node *controller, - const u32 *intspec, unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int mtk_sysirq_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (intsize != 3) - return -EINVAL; + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - /* sysirq doesn't support PPI */ - if (intspec[0]) - return -EINVAL; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; - *out_hwirq = intspec[1]; - *out_type = intspec[2] & IRQ_TYPE_SENSE_MASK; - return 0; + *hwirq = fwspec->param[1]; + *type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK; + return 0; + } + + return -EINVAL; } static int mtk_sysirq_domain_alloc(struct irq_domain *domain, unsigned int virq, @@ -90,30 +93,30 @@ static int mtk_sysirq_domain_alloc(struct irq_domain *domain, unsigned int virq, { int i; irq_hw_number_t hwirq; - struct of_phandle_args *irq_data = arg; - struct of_phandle_args gic_data = *irq_data; + struct irq_fwspec *fwspec = arg; + struct irq_fwspec gic_fwspec = *fwspec; - if (irq_data->args_count != 3) + if (fwspec->param_count != 3) return -EINVAL; /* sysirq doesn't support PPI */ - if (irq_data->args[0]) + if (fwspec->param[0]) return -EINVAL; - hwirq = irq_data->args[1]; + hwirq = fwspec->param[1]; for (i = 0; i < nr_irqs; i++) irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i, &mtk_sysirq_chip, domain->host_data); - gic_data.np = irq_domain_get_of_node(domain->parent); - return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_data); + gic_fwspec.fwnode = domain->parent->fwnode; + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_fwspec); } static const struct irq_domain_ops sysirq_domain_ops = { - .xlate = mtk_sysirq_domain_xlate, - .alloc = mtk_sysirq_domain_alloc, - .free = irq_domain_free_irqs_common, + .translate = mtk_sysirq_domain_translate, + .alloc = mtk_sysirq_domain_alloc, + .free = irq_domain_free_irqs_common, }; static int __init mtk_sysirq_of_init(struct device_node *node, diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c index a878b8d..b177710 100644 --- a/drivers/irqchip/irq-nvic.c +++ b/drivers/irqchip/irq-nvic.c @@ -48,16 +48,26 @@ nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs) handle_IRQ(irq, regs); } +static int nvic_irq_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, unsigned int *type) +{ + if (WARN_ON(fwspec->param_count < 1)) + return -EINVAL; + *hwirq = fwspec->param[0]; + *type = IRQ_TYPE_NONE; + return 0; +} + static int nvic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *arg) { int i, ret; irq_hw_number_t hwirq; unsigned int type = IRQ_TYPE_NONE; - struct of_phandle_args *irq_data = arg; + struct irq_fwspec *fwspec = arg; - ret = irq_domain_xlate_onecell(domain, irq_data->np, irq_data->args, - irq_data->args_count, &hwirq, &type); + ret = nvic_irq_domain_translate(domain, fwspec, &hwirq, &type); if (ret) return ret; @@ -68,7 +78,7 @@ static int nvic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, } static const struct irq_domain_ops nvic_irq_domain_ops = { - .xlate = irq_domain_xlate_onecell, + .translate = nvic_irq_domain_translate, .alloc = nvic_irq_domain_alloc, .free = irq_domain_free_irqs_top, }; diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c index 7bbf226..557e15e 100644 --- a/drivers/irqchip/irq-tegra.c +++ b/drivers/irqchip/irq-tegra.c @@ -220,41 +220,43 @@ static struct irq_chip tegra_ictlr_chip = { #endif }; -static int tegra_ictlr_domain_xlate(struct irq_domain *domain, - struct device_node *controller, - const u32 *intspec, - unsigned int intsize, - unsigned long *out_hwirq, - unsigned int *out_type) +static int tegra_ictlr_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) { - if (irq_domain_get_of_node(domain) != controller) - return -EINVAL; /* Shouldn't happen, really... */ - if (intsize != 3) - return -EINVAL; /* Not GIC compliant */ - if (intspec[0] != GIC_SPI) - return -EINVAL; /* No PPI should point to this domain */ + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; - *out_hwirq = intspec[1]; - *out_type = intspec[2]; - return 0; + /* No PPI should point to this domain */ + if (fwspec->param[0] != 0) + return -EINVAL; + + *hwirq = fwspec->param[1]; + *type = fwspec->param[2]; + return 0; + } + + return -EINVAL; } static int tegra_ictlr_domain_alloc(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs, void *data) { - struct of_phandle_args *args = data; - struct of_phandle_args parent_args; + struct irq_fwspec *fwspec = data; + struct irq_fwspec parent_fwspec; struct tegra_ictlr_info *info = domain->host_data; irq_hw_number_t hwirq; unsigned int i; - if (args->args_count != 3) + if (fwspec->param_count != 3) return -EINVAL; /* Not GIC compliant */ - if (args->args[0] != GIC_SPI) + if (fwspec->param[0] != GIC_SPI) return -EINVAL; /* No PPI should point to this domain */ - hwirq = args->args[1]; + hwirq = fwspec->param[1]; if (hwirq >= (num_ictlrs * 32)) return -EINVAL; @@ -266,9 +268,10 @@ static int tegra_ictlr_domain_alloc(struct irq_domain *domain, info->base[ictlr]); } - parent_args = *args; - parent_args.np = irq_domain_get_of_node(domain->parent); - return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &parent_args); + parent_fwspec = *fwspec; + parent_fwspec.fwnode = domain->parent->fwnode; + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, + &parent_fwspec); } static void tegra_ictlr_domain_free(struct irq_domain *domain, @@ -284,9 +287,9 @@ static void tegra_ictlr_domain_free(struct irq_domain *domain, } static const struct irq_domain_ops tegra_ictlr_domain_ops = { - .xlate = tegra_ictlr_domain_xlate, - .alloc = tegra_ictlr_domain_alloc, - .free = tegra_ictlr_domain_free, + .translate = tegra_ictlr_domain_translate, + .alloc = tegra_ictlr_domain_alloc, + .free = tegra_ictlr_domain_free, }; static int __init tegra_ictlr_init(struct device_node *node, diff --git a/drivers/irqchip/irq-vf610-mscm-ir.c b/drivers/irqchip/irq-vf610-mscm-ir.c index ae82d7e..56b5e3c 100644 --- a/drivers/irqchip/irq-vf610-mscm-ir.c +++ b/drivers/irqchip/irq-vf610-mscm-ir.c @@ -130,35 +130,51 @@ static int vf610_mscm_ir_domain_alloc(struct irq_domain *domain, unsigned int vi { int i; irq_hw_number_t hwirq; - struct of_phandle_args *irq_data = arg; - struct of_phandle_args gic_data; + struct irq_fwspec *fwspec = arg; + struct irq_fwspec parent_fwspec; - if (irq_data->args_count != 2) + if (!irq_domain_get_of_node(domain->parent)) return -EINVAL; - hwirq = irq_data->args[0]; + if (fwspec->param_count != 2) + return -EINVAL; + + hwirq = fwspec->param[0]; for (i = 0; i < nr_irqs; i++) irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i, &vf610_mscm_ir_irq_chip, domain->host_data); - gic_data.np = irq_domain_get_of_node(domain->parent); + parent_fwspec.fwnode = domain->parent->fwnode; if (mscm_ir_data->is_nvic) { - gic_data.args_count = 1; - gic_data.args[0] = irq_data->args[0]; + parent_fwspec.param_count = 1; + parent_fwspec.param[0] = fwspec->param[0]; } else { - gic_data.args_count = 3; - gic_data.args[0] = GIC_SPI; - gic_data.args[1] = irq_data->args[0]; - gic_data.args[2] = irq_data->args[1]; + parent_fwspec.param_count = 3; + parent_fwspec.param[0] = GIC_SPI; + parent_fwspec.param[1] = fwspec->param[0]; + parent_fwspec.param[2] = fwspec->param[1]; } - return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_data); + return irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, + &parent_fwspec); +} + +static int vf610_mscm_ir_domain_translate(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) +{ + if (WARN_ON(fwspec->param_count < 2)) + return -EINVAL; + *hwirq = fwspec->param[0]; + *type = fwspec->param[1] & IRQ_TYPE_SENSE_MASK; + return 0; } static const struct irq_domain_ops mscm_irq_domain_ops = { - .xlate = irq_domain_xlate_twocell, + .translate = vf610_mscm_ir_domain_translate, .alloc = vf610_mscm_ir_domain_alloc, .free = irq_domain_free_irqs_common, };

[v2,05/17] irqchip: Convert all alloc/xlate users from of_node to fwnode

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