pinctrl: move pinctrl-maps debugfs file to top-level

The debugfs file pinctrl-maps is a system-wide file, not specific to any
pin controller, so place it in the top-level directory.

Also, move the code implementing the file to keep the order of all the
functions matching the order they're created in pinctrl_init_*debugfs().
The only non-obvious change here is no private data is passed to
debugfs_create_file() or single_open().

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 633b97e..376cede 100644 (file)
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -889,28 +889,6 @@ static int pinctrl_gpioranges_show(struct seq_file *s, void *what)
        return 0;
 }
 
-static int pinctrl_maps_show(struct seq_file *s, void *what)
-{
-       struct pinctrl_maps *maps_node;
-       int i;
-       struct pinctrl_map const *map;
-
-       seq_puts(s, "Pinctrl maps:\n");
-
-       mutex_lock(&pinctrl_maps_mutex);
-       for_each_maps(maps_node, i, map) {
-               seq_printf(s, "%s:\n", map->name);
-               seq_printf(s, "  device: %s\n", map->dev_name);
-               seq_printf(s, "  controlling device %s\n", map->ctrl_dev_name);
-               seq_printf(s, "  function: %s\n", map->function);
-               seq_printf(s, "  group: %s\n", map->group ? map->group :
-                          "(default)");
-       }
-       mutex_unlock(&pinctrl_maps_mutex);
-
-       return 0;
-}
-
 static int pinmux_hogs_show(struct seq_file *s, void *what)
 {
        struct pinctrl_dev *pctldev = s->private;
@@ -947,6 +925,28 @@ static int pinctrl_devices_show(struct seq_file *s, void *what)
        return 0;
 }
 
+static int pinctrl_maps_show(struct seq_file *s, void *what)
+{
+       struct pinctrl_maps *maps_node;
+       int i;
+       struct pinctrl_map const *map;
+
+       seq_puts(s, "Pinctrl maps:\n");
+
+       mutex_lock(&pinctrl_maps_mutex);
+       for_each_maps(maps_node, i, map) {
+               seq_printf(s, "%s:\n", map->name);
+               seq_printf(s, "  device: %s\n", map->dev_name);
+               seq_printf(s, "  controlling device %s\n", map->ctrl_dev_name);
+               seq_printf(s, "  function: %s\n", map->function);
+               seq_printf(s, "  group: %s\n", map->group ? map->group :
+                          "(default)");
+       }
+       mutex_unlock(&pinctrl_maps_mutex);
+
+       return 0;
+}
+
 static int pinctrl_show(struct seq_file *s, void *what)
 {
        struct pinctrl *p;
@@ -988,11 +988,6 @@ static int pinctrl_gpioranges_open(struct inode *inode, struct file *file)
        return single_open(file, pinctrl_gpioranges_show, inode->i_private);
 }
 
-static int pinctrl_maps_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, pinctrl_maps_show, inode->i_private);
-}
-
 static int pinmux_hogs_open(struct inode *inode, struct file *file)
 {
        return single_open(file, pinmux_hogs_show, inode->i_private);
@@ -1003,6 +998,11 @@ static int pinctrl_devices_open(struct inode *inode, struct file *file)
        return single_open(file, pinctrl_devices_show, NULL);
 }
 
+static int pinctrl_maps_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, pinctrl_maps_show, NULL);
+}
+
 static int pinctrl_open(struct inode *inode, struct file *file)
 {
        return single_open(file, pinctrl_show, NULL);
@@ -1029,22 +1029,22 @@ static const struct file_operations pinctrl_gpioranges_ops = {
        .release        = single_release,
 };
 
-static const struct file_operations pinctrl_maps_ops = {
-       .open           = pinctrl_maps_open,
+static const struct file_operations pinmux_hogs_ops = {
+       .open           = pinmux_hogs_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = single_release,
 };
 
-static const struct file_operations pinmux_hogs_ops = {
-       .open           = pinmux_hogs_open,
+static const struct file_operations pinctrl_devices_ops = {
+       .open           = pinctrl_devices_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = single_release,
 };
 
-static const struct file_operations pinctrl_devices_ops = {
-       .open           = pinctrl_devices_open,
+static const struct file_operations pinctrl_maps_ops = {
+       .open           = pinctrl_maps_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
        .release        = single_release,
@@ -1078,8 +1078,6 @@ static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev)
                            device_root, pctldev, &pinctrl_groups_ops);
        debugfs_create_file("gpio-ranges", S_IFREG | S_IRUGO,
                            device_root, pctldev, &pinctrl_gpioranges_ops);
-       debugfs_create_file("pinctrl-maps", S_IFREG | S_IRUGO,
-                           device_root, pctldev, &pinctrl_maps_ops);
        debugfs_create_file("pinmux-hogs", S_IFREG | S_IRUGO,
                            device_root, pctldev, &pinmux_hogs_ops);
        pinmux_init_device_debugfs(device_root, pctldev);
@@ -1102,6 +1100,8 @@ static void pinctrl_init_debugfs(void)
 
        debugfs_create_file("pinctrl-devices", S_IFREG | S_IRUGO,
                            debugfs_root, NULL, &pinctrl_devices_ops);
+       debugfs_create_file("pinctrl-maps", S_IFREG | S_IRUGO,
+                           debugfs_root, NULL, &pinctrl_maps_ops);
        debugfs_create_file("pinctrl-handles", S_IFREG | S_IRUGO,
                            debugfs_root, NULL, &pinctrl_ops);
 }