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path: root/drivers/pinctrl/core.c
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Diffstat (limited to 'drivers/pinctrl/core.c')
-rw-r--r--drivers/pinctrl/core.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 569bdb3ef104..d9d35fcbfc6b 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -510,10 +510,12 @@ static struct dentry *debugfs_root;
static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev)
{
- static struct dentry *device_root;
+ struct dentry *device_root;
device_root = debugfs_create_dir(dev_name(pctldev->dev),
debugfs_root);
+ pctldev->device_root = device_root;
+
if (IS_ERR(device_root) || !device_root) {
pr_warn("failed to create debugfs directory for %s\n",
dev_name(pctldev->dev));
@@ -529,6 +531,11 @@ static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev)
pinconf_init_device_debugfs(device_root, pctldev);
}
+static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev)
+{
+ debugfs_remove_recursive(pctldev->device_root);
+}
+
static void pinctrl_init_debugfs(void)
{
debugfs_root = debugfs_create_dir("pinctrl", NULL);
@@ -553,6 +560,10 @@ static void pinctrl_init_debugfs(void)
{
}
+static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev)
+{
+}
+
#endif
/**
@@ -641,6 +652,7 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev)
if (pctldev == NULL)
return;
+ pinctrl_remove_device_debugfs(pctldev);
pinmux_unhog_maps(pctldev);
/* TODO: check that no pinmuxes are still active? */
mutex_lock(&pinctrldev_list_mutex);