summaryrefslogtreecommitdiff
path: root/drivers/pinctrl/core.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pinctrl/core.h')
-rw-r--r--drivers/pinctrl/core.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index e1dfdb3c144f..8808f25a07d4 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -9,6 +9,8 @@
* License terms: GNU General Public License (GPL) version 2
*/
+#include <linux/mutex.h>
+#include <linux/radix-tree.h>
#include <linux/pinctrl/pinconf.h>
struct pinctrl_gpio_range;
@@ -22,7 +24,6 @@ struct pinctrl_gpio_range;
* this radix tree
* @gpio_ranges: a list of GPIO ranges that is handled by this pin controller,
* ranges are added to this list at runtime
- * @gpio_ranges_lock: lock for the GPIO ranges list
* @dev: the device entry for this pin controller
* @owner: module providing the pin controller, used for refcounting
* @driver_data: driver data for drivers registering to the pin controller
@@ -35,7 +36,6 @@ struct pinctrl_dev {
struct pinctrl_desc *desc;
struct radix_tree_root pin_desc_tree;
struct list_head gpio_ranges;
- struct mutex gpio_ranges_lock;
struct device *dev;
struct module *owner;
void *driver_data;
@@ -52,7 +52,6 @@ struct pinctrl_dev {
* @usecount: the number of active users of this pin controller setting, used
* to keep track of nested use cases
* @pctldev: pin control device handling this pin control handle
- * @mutex: a lock for the pin control state holder
* @groups: the group selectors for the pinmux device and
* selector combination handling this pinmux, this is a list that
* will be traversed on all pinmux operations such as
@@ -63,7 +62,6 @@ struct pinctrl {
struct device *dev;
unsigned usecount;
struct pinctrl_dev *pctldev;
- struct mutex mutex;
#ifdef CONFIG_PINMUX
struct list_head groups;
#endif
@@ -75,14 +73,12 @@ struct pinctrl {
* @name: a name for the pin, e.g. the name of the pin/pad/finger on a
* datasheet or such
* @dynamic_name: if the name of this pin was dynamically allocated
- * @lock: a lock to protect the descriptor structure
* @owner: the device holding this pin or NULL of no device has claimed it
*/
struct pin_desc {
struct pinctrl_dev *pctldev;
const char *name;
bool dynamic_name;
- spinlock_t lock;
/* These fields only added when supporting pinmux drivers */
#ifdef CONFIG_PINMUX
const char *owner;
@@ -99,3 +95,5 @@ static inline struct pin_desc *pin_desc_get(struct pinctrl_dev *pctldev,
{
return radix_tree_lookup(&pctldev->pin_desc_tree, pin);
}
+
+extern struct mutex pinctrl_mutex;