irqdomain: Make irq_domain_reset_irq_data() available to non-hierarchical users
irq_domain_reset_irq_data() doesn't modify the parent data, so it can be made available even if irq domain hierarchy is not being built. We'll subsequently use it in irq_sim code. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20200514083901.23445-2-brgl@bgdev.pl
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@ -450,6 +450,7 @@ extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
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irq_hw_number_t hwirq, struct irq_chip *chip,
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irq_hw_number_t hwirq, struct irq_chip *chip,
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void *chip_data, irq_flow_handler_t handler,
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void *chip_data, irq_flow_handler_t handler,
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void *handler_data, const char *handler_name);
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void *handler_data, const char *handler_name);
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extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
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#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
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#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
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extern struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent,
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extern struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent,
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unsigned int flags, unsigned int size,
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unsigned int flags, unsigned int size,
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@ -491,7 +492,6 @@ extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain,
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irq_hw_number_t hwirq,
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irq_hw_number_t hwirq,
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struct irq_chip *chip,
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struct irq_chip *chip,
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void *chip_data);
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void *chip_data);
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extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
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extern void irq_domain_free_irqs_common(struct irq_domain *domain,
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extern void irq_domain_free_irqs_common(struct irq_domain *domain,
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unsigned int virq,
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unsigned int virq,
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unsigned int nr_irqs);
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unsigned int nr_irqs);
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@ -1047,6 +1047,18 @@ int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq,
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return virq;
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return virq;
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}
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}
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/**
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* irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data
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* @irq_data: The pointer to irq_data
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*/
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void irq_domain_reset_irq_data(struct irq_data *irq_data)
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{
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irq_data->hwirq = 0;
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irq_data->chip = &no_irq_chip;
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irq_data->chip_data = NULL;
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}
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EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data);
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#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
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#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
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/**
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/**
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* irq_domain_create_hierarchy - Add a irqdomain into the hierarchy
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* irq_domain_create_hierarchy - Add a irqdomain into the hierarchy
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@ -1247,18 +1259,6 @@ void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
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}
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}
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EXPORT_SYMBOL(irq_domain_set_info);
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EXPORT_SYMBOL(irq_domain_set_info);
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/**
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* irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data
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* @irq_data: The pointer to irq_data
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*/
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void irq_domain_reset_irq_data(struct irq_data *irq_data)
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{
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irq_data->hwirq = 0;
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irq_data->chip = &no_irq_chip;
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irq_data->chip_data = NULL;
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}
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EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data);
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/**
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/**
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* irq_domain_free_irqs_common - Clear irq_data and free the parent
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* irq_domain_free_irqs_common - Clear irq_data and free the parent
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* @domain: Interrupt domain to match
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* @domain: Interrupt domain to match
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