gpio: tegra: Convert to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 02fa8fe2292a13608e332d6247e9c0b55870ae98..94396caaca753e5d8a6d33c8c0ab26057980aca9 100644 (file)
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -506,7 +506,7 @@ static int tegra_gpio_irq_set_wake(struct irq_data *d, unsigned int enable)
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 
-static int dbg_gpio_show(struct seq_file *s, void *unused)
+static int tegra_dbg_gpio_show(struct seq_file *s, void *unused)
 {
        struct tegra_gpio_info *tgi = s->private;
        unsigned int i, j;
@@ -530,22 +530,12 @@ static int dbg_gpio_show(struct seq_file *s, void *unused)
        return 0;
 }
 
-static int dbg_gpio_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, dbg_gpio_show, inode->i_private);
-}
-
-static const struct file_operations debug_fops = {
-       .open           = dbg_gpio_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(tegra_dbg_gpio);
 
 static void tegra_gpio_debuginit(struct tegra_gpio_info *tgi)
 {
        (void) debugfs_create_file("tegra_gpio", 0444,
-                                       NULL, tgi, &debug_fops);
+                                  NULL, tgi, &tegra_dbg_gpio_fops);
 }
 
 #else