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Commit a1afb637 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Thomas Gleixner
Browse files

genirq: switch /proc/irq/*/spurious to seq_file 



[ tglx: compacted it a bit ]

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
LKML-Reference: <20090828181743.GA14050@x200.localdomain>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c82a43d4

kernel/irq/proc.c

+21 −15
Original line number Diff line number Diff line
@@ -148,18 +148,28 @@ static const struct file_operations default_affinity_proc_fops = { 
};

#endif



static int irq_spurious_read(char *page, char **start, off_t off,

				  int count, int *eof, void *data)

static int irq_spurious_proc_show(struct seq_file *m, void *v)

{

	struct irq_desc *desc = irq_to_desc((long) data);

	return sprintf(page, "count %u\n"

			     "unhandled %u\n"

			     "last_unhandled %u ms\n",

			desc->irq_count,

			desc->irqs_unhandled,

	struct irq_desc *desc = irq_to_desc((long) m->private);



	seq_printf(m, "count %u\n" "unhandled %u\n" "last_unhandled %u ms\n",

		   desc->irq_count, desc->irqs_unhandled,

		   jiffies_to_msecs(desc->last_unhandled));

	return 0;

}



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

{

	return single_open(file, irq_spurious_proc_show, NULL);

}



static const struct file_operations irq_spurious_proc_fops = {

	.open		= irq_spurious_proc_open,

	.read		= seq_read,

	.llseek		= seq_lseek,

	.release	= single_release,

};



#define MAX_NAMELEN 128



static int name_unique(unsigned int irq, struct irqaction *new_action)
@@ -204,7 +214,6 @@ void register_handler_proc(unsigned int irq, struct irqaction *action) 
void register_irq_proc(unsigned int irq, struct irq_desc *desc)

{

	char name [MAX_NAMELEN];

	struct proc_dir_entry *entry;



	if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir)

		return;
@@ -223,11 +232,8 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc) 
			 &irq_affinity_proc_fops, (void *)(long)irq);

#endif



	entry = create_proc_entry("spurious", 0444, desc->dir);

	if (entry) {

		entry->data = (void *)(long)irq;

		entry->read_proc = irq_spurious_read;

	}

	proc_create_data("spurious", 0444, desc->dir,

			 &irq_spurious_proc_fops, (void *)(long)irq);

}



#undef MAX_NAMELEN