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Commit 0b24a0bb authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Marc Zyngier
Browse files

irqdomain: Re-use DEFINE_SHOW_ATTRIBUTE() macro 



...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 2d02424e

kernel/irq/irqdomain.c

+4 −14
Original line number Diff line number Diff line
@@ -1726,25 +1726,14 @@ static int irq_domain_debug_show(struct seq_file *m, void *p) 
	irq_domain_debug_show_one(m, d, 0);

	return 0;

}



static int irq_domain_debug_open(struct inode *inode, struct file *file)

{

	return single_open(file, irq_domain_debug_show, inode->i_private);

}



static const struct file_operations dfs_domain_ops = {

	.open		= irq_domain_debug_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};

DEFINE_SHOW_ATTRIBUTE(irq_domain_debug);



static void debugfs_add_domain_dir(struct irq_domain *d)

{

	if (!d->name || !domain_dir || d->debugfs_file)

		return;

	d->debugfs_file = debugfs_create_file(d->name, 0444, domain_dir, d,

					      &dfs_domain_ops);

					      &irq_domain_debug_fops);

}



static void debugfs_remove_domain_dir(struct irq_domain *d)
@@ -1760,7 +1749,8 @@ void __init irq_domain_debugfs_init(struct dentry *root) 
	if (!domain_dir)

		return;



	debugfs_create_file("default", 0444, domain_dir, NULL, &dfs_domain_ops);

	debugfs_create_file("default", 0444, domain_dir, NULL,

			    &irq_domain_debug_fops);

	mutex_lock(&irq_domain_mutex);

	list_for_each_entry(d, &irq_domain_list, link)

		debugfs_add_domain_dir(d);