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genirq: Update stale comment for __irq_domain_add 

Commit 1bf4ddc46c ("irqdomain: Introduce irq_domain_create_{linear,
tree}") introduced the use of fwnode_handle to identify the interrupt
controller when calling __irq_domain_add but missed updating the kernel
doc parameters for the function.

Update this comment. While we are touching this code, also consolidate
the declaration and assignment of of_node.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Marc Zygnier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/1464699409-23113-1-git-send-email-punit.agrawal@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Punit Agrawal 2016-05-31 13:56:48 +01:00 committed by Thomas Gleixner
parent f88eecfe2f
commit 545d5d657b
1 changed files with 2 additions and 4 deletions
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6
kernel/irq/irqdomain.c
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@ -80,7 +80,7 @@ EXPORT_SYMBOL_GPL(irq_domain_free_fwnode);
/**
* __irq_domain_add() - Allocate a new irq_domain data structure
* @of_node: optional device-tree node of the interrupt controller
* @fwnode: firmware node for the interrupt controller
* @size: Size of linear map; 0 for radix mapping only
* @hwirq_max: Maximum number of interrupts supported by controller
* @direct_max: Maximum value of direct maps; Use ~0 for no limit; 0 for no
@ -96,10 +96,8 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
const struct irq_domain_ops *ops,
void *host_data)
{
struct device_node *of_node = to_of_node(fwnode);
struct irq_domain *domain;
struct device_node *of_node;
of_node = to_of_node(fwnode);
domain = kzalloc_node(sizeof(*domain) + (sizeof(unsigned int) * size),
GFP_KERNEL, of_node_to_nid(of_node));