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| author |   Marc Zyngier <maz@kernel.org> | 2021-04-04 13:06:39 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-06-10 13:09:17 +0100 |
| commit | e37af8011a9631996e6cd32dd81a152708eee7d4 (patch) | |
| tree | 8f78241b8861725a237bd58f8c06e96faceb76a0 /kernel/irq | |
| parent | irqdomain: Reimplement irq_linear_revmap() with irq_find_mapping() (diff) | |
| download | linux-dev-e37af8011a9631996e6cd32dd81a152708eee7d4.tar.xz linux-dev-e37af8011a9631996e6cd32dd81a152708eee7d4.zip | |
powerpc: Move the use of irq_domain_add_nomap() behind a config option
Only a handful of old PPC systems are still using the old 'nomap'
variant of the irqdomain library. Move the associated definitions
behind a configuration option, which will allow us to make some
more radical changes.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/Kconfig | 5 | ||||
| -rw-r--r-- | kernel/irq/irqdomain.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index d79ef2493a28..fbc54c2a7f23 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -70,6 +70,11 @@ config IRQ_DOMAIN_HIERARCHY bool select IRQ_DOMAIN +# Support for obsolete non-mapping irq domains +config IRQ_DOMAIN_NOMAP + bool + select IRQ_DOMAIN + # Support for hierarchical fasteoi+edge and fasteoi+level handlers config IRQ_FASTEOI_HIERARCHY_HANDLERS bool diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 8bd012253989..e0143e640683 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -604,6 +604,7 @@ void irq_domain_associate_many(struct irq_domain *domain, unsigned int irq_base, } EXPORT_SYMBOL_GPL(irq_domain_associate_many); +#ifdef CONFIG_IRQ_DOMAIN_NOMAP /** * irq_create_direct_mapping() - Allocate an irq for direct mapping * @domain: domain to allocate the irq for or NULL for default domain @@ -644,6 +645,7 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain) return virq; } EXPORT_SYMBOL_GPL(irq_create_direct_mapping); +#endif /** * irq_create_mapping_affinity() - Map a hardware interrupt into linux irq space |