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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.c42
1 files changed, 11 insertions, 31 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 034b1ad38b32..160fb5aae591 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -34,12 +34,6 @@
static DEFINE_MUTEX(pinctrldev_list_mutex);
static LIST_HEAD(pinctrldev_list);
-static void pinctrl_dev_release(struct device *dev)
-{
- struct pinctrl_dev *pctldev = dev_get_drvdata(dev);
- kfree(pctldev);
-}
-
const char *pinctrl_dev_get_name(struct pinctrl_dev *pctldev)
{
/* We're not allowed to register devices without name */
@@ -71,14 +65,14 @@ struct pinctrl_dev *get_pinctrl_dev_from_dev(struct device *dev,
mutex_lock(&pinctrldev_list_mutex);
list_for_each_entry(pctldev, &pinctrldev_list, node) {
- if (dev && &pctldev->dev == dev) {
+ if (dev && pctldev->dev == dev) {
/* Matched on device pointer */
found = true;
break;
}
if (devname &&
- !strcmp(dev_name(&pctldev->dev), devname)) {
+ !strcmp(dev_name(pctldev->dev), devname)) {
/* Matched on device name */
found = true;
break;
@@ -325,7 +319,7 @@ int pinctrl_get_group_selector(struct pinctrl_dev *pctldev,
const char *gname = pctlops->get_group_name(pctldev,
group_selector);
if (!strcmp(gname, pin_group)) {
- dev_dbg(&pctldev->dev,
+ dev_dbg(pctldev->dev,
"found group selector %u for %s\n",
group_selector,
pin_group);
@@ -335,7 +329,7 @@ int pinctrl_get_group_selector(struct pinctrl_dev *pctldev,
group_selector++;
}
- dev_err(&pctldev->dev, "does not have pin group %s\n",
+ dev_err(pctldev->dev, "does not have pin group %s\n",
pin_group);
return -EINVAL;
@@ -508,11 +502,11 @@ static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev)
{
static struct dentry *device_root;
- device_root = debugfs_create_dir(dev_name(&pctldev->dev),
+ device_root = debugfs_create_dir(dev_name(pctldev->dev),
debugfs_root);
if (IS_ERR(device_root) || !device_root) {
pr_warn("failed to create debugfs directory for %s\n",
- dev_name(&pctldev->dev));
+ dev_name(pctldev->dev));
return;
}
debugfs_create_file("pins", S_IFREG | S_IRUGO,
@@ -560,7 +554,6 @@ static void pinctrl_init_debugfs(void)
struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
struct device *dev, void *driver_data)
{
- static atomic_t pinmux_no = ATOMIC_INIT(0);
struct pinctrl_dev *pctldev;
int ret;
@@ -601,18 +594,7 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
spin_lock_init(&pctldev->pin_desc_tree_lock);
INIT_LIST_HEAD(&pctldev->gpio_ranges);
mutex_init(&pctldev->gpio_ranges_lock);
-
- /* Register device */
- pctldev->dev.parent = dev;
- dev_set_name(&pctldev->dev, "pinctrl.%d",
- atomic_inc_return(&pinmux_no) - 1);
- pctldev->dev.release = pinctrl_dev_release;
- ret = device_register(&pctldev->dev);
- if (ret != 0) {
- pr_err("error in device registration\n");
- goto out_reg_dev_err;
- }
- dev_set_drvdata(&pctldev->dev, pctldev);
+ pctldev->dev = dev;
/* Register all the pins */
pr_debug("try to register %d pins on %s...\n",
@@ -622,7 +604,7 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
pr_err("error during pin registration\n");
pinctrl_free_pindescs(pctldev, pctldesc->pins,
pctldesc->npins);
- goto out_reg_pins_err;
+ goto out_err;
}
pinctrl_init_device_debugfs(pctldev);
@@ -632,10 +614,8 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
pinmux_hog_maps(pctldev);
return pctldev;
-out_reg_pins_err:
- device_del(&pctldev->dev);
-out_reg_dev_err:
- put_device(&pctldev->dev);
+out_err:
+ kfree(pctldev);
return NULL;
}
EXPORT_SYMBOL_GPL(pinctrl_register);
@@ -659,7 +639,7 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev)
/* Destroy descriptor tree */
pinctrl_free_pindescs(pctldev, pctldev->desc->pins,
pctldev->desc->npins);
- device_unregister(&pctldev->dev);
+ kfree(pctldev);
}
EXPORT_SYMBOL_GPL(pinctrl_unregister);