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proc: introduce proc_create_single{,_data}

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Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.

All trivial callers converted over.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-05-15 15:57:23 +02:00
parent 44414d82cf
commit 3f3942aca6
85 changed files with 235 additions and 1509 deletions
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14
drivers/input/misc/hp_sdc_rtc.c
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@@ -509,18 +509,6 @@ static int hp_sdc_rtc_proc_show(struct seq_file *m, void *v)
#undef NY
}
static int hp_sdc_rtc_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, hp_sdc_rtc_proc_show, NULL);
}
static const struct file_operations hp_sdc_rtc_proc_fops = {
.open = hp_sdc_rtc_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int hp_sdc_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
@@ -713,7 +701,7 @@ static int __init hp_sdc_rtc_init(void)
if (misc_register(&hp_sdc_rtc_dev) != 0)
printk(KERN_INFO "Could not register misc. dev for i8042 rtc\n");
proc_create("driver/rtc", 0, NULL, &hp_sdc_rtc_proc_fops);
proc_create_single("driver/rtc", 0, NULL, hp_sdc_rtc_proc_show);
printk(KERN_INFO "HP i8042 SDC + MSM-58321 RTC support loaded "
"(RTC v " RTC_VERSION ")\n");