[PATCH v2 49/57] irqdomain: Drop irq_linear_revmap()

Jiri Slaby (SUSE)
2025-03-19T09:33:12Z

irq_linear_revmap() is deprecated and unused now. So remove it.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Alex Shi <alexs@kernel.org>
Cc: Yanteng Si <si.yanteng@linux.dev>
Cc: Dongliang Mu <dzm91@hust.edu.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
---
Documentation/core-api/irq/irq-domain.rst | 2 --
.../translations/zh_CN/core-api/irq/irq-domain.rst | 2 --
include/linux/irqdomain.h | 6 ------
3 files changed, 10 deletions(-)

diff --git a/Documentation/core-api/irq/irq-domain.rst b/Documentation/core-api/irq/irq-domain.rst
index e26ed303819d..775dd43b3340 100644
--- a/Documentation/core-api/irq/irq-domain.rst
+++ b/Documentation/core-api/irq/irq-domain.rst
@@ -63,8 +63,6 @@ variety of methods:
mapping.
- irq_find_mapping() returns a Linux IRQ number for a given domain and
hwirq number, and 0 if there was no mapping
-- irq_linear_revmap() is now identical to irq_find_mapping(), and is
- deprecated
- generic_handle_domain_irq() handles an interrupt described by a
domain and a hwirq number

diff --git a/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst b/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst
index 913c3eda3f74..4a2d3b27aa4d 100644
--- a/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst
+++ b/Documentation/translations/zh_CN/core-api/irq/irq-domain.rst
@@ -60,8 +60,6 @@ irq_domain和一个hwirq号作为参数。 如果hwirq的映射还不存在，

- irq_find_mapping()返回给定域和hwirq的Linux IRQ号，如果没有映射则返回0。

-- irq_linear_revmap()现与irq_find_mapping()相同，已被废弃。
-
- generic_handle_domain_irq()处理一个由域和hwirq号描述的中断。

请注意，irq域的查找必须发生在与RCU读临界区兼容的上下文中。
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index bd02550df6e6..d5c9e32ff0a2 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -492,12 +492,6 @@ static inline unsigned int irq_find_mapping(struct irq_domain *domain,
return 0;
}

-static inline unsigned int irq_linear_revmap(struct irq_domain *domain,
- irq_hw_number_t hwirq)
-{
- return irq_find_mapping(domain, hwirq);
-}
-
extern const struct irq_domain_ops irq_domain_simple_ops;

/* stock xlate functions */
--
2.49.0