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| author | Linus Walleij <linus.walleij@linaro.org> | 2017-08-21 00:10:54 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2017-08-21 00:10:54 +0200 |
| commit | 4342ec5fba2bc9e6654259c5d891999a7592d9fa (patch) | |
| tree | 1570b8d861c2ae1a750f9d14e843a0db6b760f3e /include | |
| parent | gpio: mxs: use devres for irq generic chip (diff) | |
| parent | irqdomain: Add irq_domain_{push,pop}_irq() functions (diff) | |
| download | linux-4342ec5fba2bc9e6654259c5d891999a7592d9fa.tar.xz linux-4342ec5fba2bc9e6654259c5d891999a7592d9fa.zip | |
Merge branch 'irq/for-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into devel
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/irq.h | 2 | ||||
| -rw-r--r-- | include/linux/irq_sim.h | 44 | ||||
| -rw-r--r-- | include/linux/irqdomain.h | 3 |
3 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index d2d543794093..d4728bf6a537 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -568,6 +568,8 @@ extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); extern int irq_chip_pm_get(struct irq_data *data); extern int irq_chip_pm_put(struct irq_data *data); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY +extern void handle_fasteoi_ack_irq(struct irq_desc *desc); +extern void handle_fasteoi_mask_irq(struct irq_desc *desc); extern void irq_chip_enable_parent(struct irq_data *data); extern void irq_chip_disable_parent(struct irq_data *data); extern void irq_chip_ack_parent(struct irq_data *data); diff --git a/include/linux/irq_sim.h b/include/linux/irq_sim.h new file mode 100644 index 000000000000..0380d899b955 --- /dev/null +++ b/include/linux/irq_sim.h @@ -0,0 +1,44 @@ +#ifndef _LINUX_IRQ_SIM_H +#define _LINUX_IRQ_SIM_H +/* + * Copyright (C) 2017 Bartosz Golaszewski <brgl@bgdev.pl> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/irq_work.h> +#include <linux/device.h> + +/* + * Provides a framework for allocating simulated interrupts which can be + * requested like normal irqs and enqueued from process context. + */ + +struct irq_sim_work_ctx { + struct irq_work work; + int irq; +}; + +struct irq_sim_irq_ctx { + int irqnum; + bool enabled; +}; + +struct irq_sim { + struct irq_sim_work_ctx work_ctx; + int irq_base; + unsigned int irq_count; + struct irq_sim_irq_ctx *irqs; +}; + +int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs); +int devm_irq_sim_init(struct device *dev, struct irq_sim *sim, + unsigned int num_irqs); +void irq_sim_fini(struct irq_sim *sim); +void irq_sim_fire(struct irq_sim *sim, unsigned int offset); +int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset); + +#endif /* _LINUX_IRQ_SIM_H */ diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index cac77a5c5555..2318f29054af 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -460,6 +460,9 @@ extern void irq_domain_free_irqs_common(struct irq_domain *domain, extern void irq_domain_free_irqs_top(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs); +extern int irq_domain_push_irq(struct irq_domain *domain, int virq, void *arg); +extern int irq_domain_pop_irq(struct irq_domain *domain, int virq); + extern int irq_domain_alloc_irqs_parent(struct irq_domain *domain, unsigned int irq_base, unsigned int nr_irqs, void *arg); |