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genirq: switch /proc/irq/*/spurious to seq_file
[ tglx: compacted it a bit ] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> LKML-Reference: <20090828181743.GA14050@x200.localdomain> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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c82a43d40b
commit
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1 changed files with 21 additions and 15 deletions
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@ -148,18 +148,28 @@ static const struct file_operations default_affinity_proc_fops = {
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};
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#endif
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static int irq_spurious_read(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int irq_spurious_proc_show(struct seq_file *m, void *v)
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{
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struct irq_desc *desc = irq_to_desc((long) data);
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return sprintf(page, "count %u\n"
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"unhandled %u\n"
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"last_unhandled %u ms\n",
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desc->irq_count,
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desc->irqs_unhandled,
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jiffies_to_msecs(desc->last_unhandled));
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struct irq_desc *desc = irq_to_desc((long) m->private);
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seq_printf(m, "count %u\n" "unhandled %u\n" "last_unhandled %u ms\n",
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desc->irq_count, desc->irqs_unhandled,
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jiffies_to_msecs(desc->last_unhandled));
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return 0;
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}
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static int irq_spurious_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, irq_spurious_proc_show, NULL);
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}
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static const struct file_operations irq_spurious_proc_fops = {
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.open = irq_spurious_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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#define MAX_NAMELEN 128
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static int name_unique(unsigned int irq, struct irqaction *new_action)
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@ -204,7 +214,6 @@ void register_handler_proc(unsigned int irq, struct irqaction *action)
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void register_irq_proc(unsigned int irq, struct irq_desc *desc)
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{
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char name [MAX_NAMELEN];
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struct proc_dir_entry *entry;
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if (!root_irq_dir || (desc->chip == &no_irq_chip) || desc->dir)
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return;
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@ -223,11 +232,8 @@ void register_irq_proc(unsigned int irq, struct irq_desc *desc)
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&irq_affinity_proc_fops, (void *)(long)irq);
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#endif
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entry = create_proc_entry("spurious", 0444, desc->dir);
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if (entry) {
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entry->data = (void *)(long)irq;
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entry->read_proc = irq_spurious_read;
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}
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proc_create_data("spurious", 0444, desc->dir,
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&irq_spurious_proc_fops, (void *)(long)irq);
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}
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#undef MAX_NAMELEN
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