ARM: OMAP2+: reuse DEFINE_SHOW_ATTRIBUTE() macro

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

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 6 insertions, 31 deletions

diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index acb698d5780f..5a8839203958 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -47,11 +47,6 @@ static int pm_dbg_init_done;
 
 static int pm_dbg_init(void);
 
-enum {
-        DEBUG_FILE_COUNTERS = 0,
-        DEBUG_FILE_TIMERS,
-};
-
 static const char pwrdm_state_names[][PWRDM_MAX_PWRSTS] = {
         "OFF",
         "RET",
@@ -141,39 +136,21 @@ static int pwrdm_dbg_show_timer(struct powerdomain *pwrdm, void *user)
         return 0;
 }
 
-static int pm_dbg_show_counters(struct seq_file *s, void *unused)
+static int pm_dbg_counters_show(struct seq_file *s, void *unused)
 {
         pwrdm_for_each(pwrdm_dbg_show_counter, s);
         clkdm_for_each(clkdm_dbg_show_counter, s);
 
         return 0;
 }
+DEFINE_SHOW_ATTRIBUTE(pm_dbg_counters);
 
-static int pm_dbg_show_timers(struct seq_file *s, void *unused)
+static int pm_dbg_timers_show(struct seq_file *s, void *unused)
 {
         pwrdm_for_each(pwrdm_dbg_show_timer, s);
         return 0;
 }
-
-static int pm_dbg_open(struct inode *inode, struct file *file)
-{
-        switch ((int)inode->i_private) {
-        case DEBUG_FILE_COUNTERS:
-                return single_open(file, pm_dbg_show_counters,
-                        &inode->i_private);
-        case DEBUG_FILE_TIMERS:
-        default:
-                return single_open(file, pm_dbg_show_timers,
-                        &inode->i_private);
-        }
-}
-
-static const struct file_operations debug_fops = {
-        .open           = pm_dbg_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(pm_dbg_timers);
 
 static int pwrdm_suspend_get(void *data, u64 *val)
 {
@@ -259,10 +236,8 @@ static int __init pm_dbg_init(void)
         if (!d)
                 return -EINVAL;
 
-        (void) debugfs_create_file("count", S_IRUGO,
-                d, (void *)DEBUG_FILE_COUNTERS, &debug_fops);
-        (void) debugfs_create_file("time", S_IRUGO,
-                d, (void *)DEBUG_FILE_TIMERS, &debug_fops);
+        (void) debugfs_create_file("count", 0444, d, NULL, &pm_dbg_counters_fops);
+        (void) debugfs_create_file("time", 0444, d, NULL, &pm_dbg_timers_fops);
 
         pwrdm_for_each(pwrdms_setup, (void *)d);