[irqchip: irq/irqchip-next] irqdomain: Get rid of irq_create_identity_mapping()

["irqchip-bot for Marc Zyngier" <tip-bot2@linutronix.de>]

The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID:     4a35d6a03744ded782c9301f5f5d78ad68ce680f
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/4a35d6a03744ded782c9301f5f5d78ad68ce680f
Author:        Marc Zyngier <maz@kernel.org>
AuthorDate:    Wed, 07 Apr 2021 13:17:10 +01:00
Committer:     Marc Zyngier <maz@kernel.org>
CommitterDate: Wed, 07 Apr 2021 13:25:52 +01:00

irqdomain: Get rid of irq_create_identity_mapping()

The sole user of irq_create_identity_mapping() having been converted,
get rid of the unused helper.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 include/linux/irqdomain.h | 6 ------
 kernel/irq/irqdomain.c    | 3 ---
 2 files changed, 9 deletions(-)

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 33cacc8..d2c61de 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -419,12 +419,6 @@ extern int irq_create_strict_mappings(struct irq_domain *domain,
 				      unsigned int irq_base,
 				      irq_hw_number_t hwirq_base, int count);
 
-static inline int irq_create_identity_mapping(struct irq_domain *host,
-					      irq_hw_number_t hwirq)
-{
-	return irq_create_strict_mappings(host, hwirq, hwirq, 1);
-}
-
 extern const struct irq_domain_ops irq_domain_simple_ops;
 
 /* stock xlate functions */
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index d10ab1d..35c5a99 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -715,9 +715,6 @@ EXPORT_SYMBOL_GPL(irq_create_mapping_affinity);
  * locations. For use by controllers that already have static mappings
  * to insert in to the domain.
  *
- * Non-linear users can use irq_create_identity_mapping() for IRQ-at-a-time
- * domain insertion.
- *
  * 0 is returned upon success, while any failure to establish a static
  * mapping is treated as an error.
  */