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| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2020-05-14 10:39:00 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-05-18 10:29:26 +0100 |
| commit | 5c8f77a278737a6af44a892f0700d9aadb2b0de0 (patch) | |
| tree | 512c285f26a2de2a4edd28f9fa45aec06dba76b9 /kernel/irq | |
| parent | 82f2202ddc97490994fad0dbfec04a014fa5163d (diff) | |
| download | lwn-5c8f77a278737a6af44a892f0700d9aadb2b0de0.tar.gz lwn-5c8f77a278737a6af44a892f0700d9aadb2b0de0.zip | |
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
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/irqdomain.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 35b8d97c3a1d..e2aa128ea3ee 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -1047,6 +1047,18 @@ int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq, return virq; } +/** + * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data + * @irq_data: The pointer to irq_data + */ +void irq_domain_reset_irq_data(struct irq_data *irq_data) +{ + irq_data->hwirq = 0; + irq_data->chip = &no_irq_chip; + irq_data->chip_data = NULL; +} +EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data); + #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY /** * irq_domain_create_hierarchy - Add a irqdomain into the hierarchy @@ -1248,18 +1260,6 @@ void irq_domain_set_info(struct irq_domain *domain, unsigned int virq, EXPORT_SYMBOL(irq_domain_set_info); /** - * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data - * @irq_data: The pointer to irq_data - */ -void irq_domain_reset_irq_data(struct irq_data *irq_data) -{ - irq_data->hwirq = 0; - irq_data->chip = &no_irq_chip; - irq_data->chip_data = NULL; -} -EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data); - -/** * irq_domain_free_irqs_common - Clear irq_data and free the parent * @domain: Interrupt domain to match * @virq: IRQ number to start with |