proc: introduce proc_create_single{,_data}
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>
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 433dbed..6663893 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -191,10 +191,10 @@ static int init_pmu(void);
static void pmu_start(void);
static irqreturn_t via_pmu_interrupt(int irq, void *arg);
static irqreturn_t gpio1_interrupt(int irq, void *arg);
-static const struct file_operations pmu_info_proc_fops;
-static const struct file_operations pmu_irqstats_proc_fops;
+static int pmu_info_proc_show(struct seq_file *m, void *v);
+static int pmu_irqstats_proc_show(struct seq_file *m, void *v);
+static int pmu_battery_proc_show(struct seq_file *m, void *v);
static void pmu_pass_intr(unsigned char *data, int len);
-static const struct file_operations pmu_battery_proc_fops;
static const struct file_operations pmu_options_proc_fops;
#ifdef CONFIG_ADB
@@ -511,13 +511,15 @@ static int __init via_pmu_dev_init(void)
for (i=0; i<pmu_battery_count; i++) {
char title[16];
sprintf(title, "battery_%ld", i);
- proc_pmu_batt[i] = proc_create_data(title, 0, proc_pmu_root,
- &pmu_battery_proc_fops, (void *)i);
+ proc_pmu_batt[i] = proc_create_single_data(title, 0,
+ proc_pmu_root, pmu_battery_proc_show,
+ (void *)i);
}
- proc_pmu_info = proc_create("info", 0, proc_pmu_root, &pmu_info_proc_fops);
- proc_pmu_irqstats = proc_create("interrupts", 0, proc_pmu_root,
- &pmu_irqstats_proc_fops);
+ proc_pmu_info = proc_create_single("info", 0, proc_pmu_root,
+ pmu_info_proc_show);
+ proc_pmu_irqstats = proc_create_single("interrupts", 0,
+ proc_pmu_root, pmu_irqstats_proc_show);
proc_pmu_options = proc_create("options", 0600, proc_pmu_root,
&pmu_options_proc_fops);
}
@@ -811,19 +813,6 @@ static int pmu_info_proc_show(struct seq_file *m, void *v)
return 0;
}
-static int pmu_info_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pmu_info_proc_show, NULL);
-}
-
-static const struct file_operations pmu_info_proc_fops = {
- .owner = THIS_MODULE,
- .open = pmu_info_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static int pmu_irqstats_proc_show(struct seq_file *m, void *v)
{
int i;
@@ -848,19 +837,6 @@ static int pmu_irqstats_proc_show(struct seq_file *m, void *v)
return 0;
}
-static int pmu_irqstats_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pmu_irqstats_proc_show, NULL);
-}
-
-static const struct file_operations pmu_irqstats_proc_fops = {
- .owner = THIS_MODULE,
- .open = pmu_irqstats_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static int pmu_battery_proc_show(struct seq_file *m, void *v)
{
long batnum = (long)m->private;
@@ -875,19 +851,6 @@ static int pmu_battery_proc_show(struct seq_file *m, void *v)
return 0;
}
-static int pmu_battery_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pmu_battery_proc_show, PDE_DATA(inode));
-}
-
-static const struct file_operations pmu_battery_proc_fops = {
- .owner = THIS_MODULE,
- .open = pmu_battery_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static int pmu_options_proc_show(struct seq_file *m, void *v)
{
#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
