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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-02-23 10:53:31 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-02-23 10:53:31 +0100 |
| commit | a324ca9cad4736252c33c1e28cffe1d87f262d03 (patch) | |
| tree | da64e14dd8432602634773b52073928c50dfb85c /kernel/irq/irqdomain.c | |
| parent | 4e6b26d23dc1faee318796d5c7f91b5692b1e6be (diff) | |
| parent | 28528fca4908142bd1a3247956cba56c9c667d71 (diff) | |
Merge tag 'irqchip-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier
- Core pseudo-NMI handling code
- Allow the default irq domain to be retrieved
- A new interrupt controller for the Loongson LS1X platform
- Affinity support for the SiFive PLIC
- Better support for the iMX irqsteer driver
- NUMA aware memory allocations for GICv3
- A handful of other fixes (i8259, GICv3, PLIC)
Diffstat (limited to 'kernel/irq/irqdomain.c')
| -rw-r--r-- | kernel/irq/irqdomain.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 45c74373c7a4..3bf9793d8825 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -458,6 +458,20 @@ void irq_set_default_host(struct irq_domain *domain) } EXPORT_SYMBOL_GPL(irq_set_default_host); +/** + * irq_get_default_host() - Retrieve the "default" irq domain + * + * Returns: the default domain, if any. + * + * Modern code should never use this. This should only be used on + * systems that cannot implement a firmware->fwnode mapping (which + * both DT and ACPI provide). + */ +struct irq_domain *irq_get_default_host(void) +{ + return irq_default_domain; +} + static void irq_domain_clear_mapping(struct irq_domain *domain, irq_hw_number_t hwirq) { |