pinctrl: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 4 insertions, 25 deletions

diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index d3fe14394b73..2c7229380f08 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -366,29 +366,8 @@ static int pinconf_groups_show(struct seq_file *s, void *what)
         return 0;
 }
 
-static int pinconf_pins_open(struct inode *inode, struct file *file)
-{
-        return single_open(file, pinconf_pins_show, inode->i_private);
-}
-
-static int pinconf_groups_open(struct inode *inode, struct file *file)
-{
-        return single_open(file, pinconf_groups_show, inode->i_private);
-}
-
-static const struct file_operations pinconf_pins_ops = {
-        .open           = pinconf_pins_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = single_release,
-};
-
-static const struct file_operations pinconf_groups_ops = {
-        .open           = pinconf_groups_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(pinconf_pins);
+DEFINE_SHOW_ATTRIBUTE(pinconf_groups);
 
 #define MAX_NAME_LEN 15
 
@@ -613,9 +592,9 @@ void pinconf_init_device_debugfs(struct dentry *devroot,
                          struct pinctrl_dev *pctldev)
 {
         debugfs_create_file("pinconf-pins", S_IFREG | S_IRUGO,
-                            devroot, pctldev, &pinconf_pins_ops);
+                            devroot, pctldev, &pinconf_pins_fops);
         debugfs_create_file("pinconf-groups", S_IFREG | S_IRUGO,
-                            devroot, pctldev, &pinconf_groups_ops);
+                            devroot, pctldev, &pinconf_groups_fops);
         debugfs_create_file("pinconf-config",  (S_IRUGO | S_IWUSR | S_IWGRP),
                             devroot, pctldev, &pinconf_dbg_pinconfig_fops);
 }