Commit 55026a96 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Thomas Gleixner
Browse files

irqdomain: Delete irq_domain_add_tree() 



No in-tree users anymore.

[ tglx: Remove the reference in the Chinese documentation as well ]

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251202202327.1444693-1-andriy.shevchenko@linux.intel.com
parent 89acaa55

Documentation/translations/zh_CN/core-api/irq/irq-domain.rst

+0 −4
Original line number Diff line number Diff line
@@ -109,10 +109,6 @@ irq_domain维护着从hwirq号到Linux IRQ的radix的树状映射。 当一个hw 
如果hwirq号可以非常大，树状映射是一个很好的选择，因为它不需要分配一个和最大hwirq

号一样大的表。 缺点是，hwirq到IRQ号的查找取决于表中有多少条目。



irq_domain_add_tree()和irq_domain_create_tree()在功能上是等价的，除了第一

个参数不同——前者接受一个Open Firmware特定的 'struct device_node' ，而后者接受

一个更通用的抽象 'struct fwnode_handle' 。



很少有驱动应该需要这个映射。



无映射

include/linux/irqdomain.h

+0 −16
Original line number Diff line number Diff line
@@ -730,22 +730,6 @@ static inline void msi_device_domain_free_wired(struct irq_domain *domain, unsig 
}

#endif



static inline struct irq_domain *irq_domain_add_tree(struct device_node *of_node,

						     const struct irq_domain_ops *ops,

						     void *host_data)

{

	struct irq_domain_info info = {

		.fwnode		= of_fwnode_handle(of_node),

		.hwirq_max	= ~0U,

		.ops		= ops,

		.host_data	= host_data,

	};

	struct irq_domain *d;



	d = irq_domain_instantiate(&info);

	return IS_ERR(d) ? NULL : d;

}



static inline struct irq_domain *irq_domain_add_linear(struct device_node *of_node,

						       unsigned int size,

						       const struct irq_domain_ops *ops,