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/pinmux.c b/drivers/pinctrl/pinmux.c
index 5780442c068b..4d0cc1889dd9 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -644,37 +644,16 @@ void pinmux_show_setting(struct seq_file *s,
                    setting->data.mux.func);
 }
 
-static int pinmux_functions_open(struct inode *inode, struct file *file)
-{
-        return single_open(file, pinmux_functions_show, inode->i_private);
-}
-
-static int pinmux_pins_open(struct inode *inode, struct file *file)
-{
-        return single_open(file, pinmux_pins_show, inode->i_private);
-}
-
-static const struct file_operations pinmux_functions_ops = {
-        .open           = pinmux_functions_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = single_release,
-};
-
-static const struct file_operations pinmux_pins_ops = {
-        .open           = pinmux_pins_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(pinmux_functions);
+DEFINE_SHOW_ATTRIBUTE(pinmux_pins);
 
 void pinmux_init_device_debugfs(struct dentry *devroot,
                          struct pinctrl_dev *pctldev)
 {
         debugfs_create_file("pinmux-functions", S_IFREG | S_IRUGO,
-                            devroot, pctldev, &pinmux_functions_ops);
+                            devroot, pctldev, &pinmux_functions_fops);
         debugfs_create_file("pinmux-pins", S_IFREG | S_IRUGO,
-                            devroot, pctldev, &pinmux_pins_ops);
+                            devroot, pctldev, &pinmux_pins_fops);
 }
 
 #endif /* CONFIG_DEBUG_FS */