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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-01-06 10:35:33 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2020-01-06 10:35:33 +0100
commit22164fbe274c2dd96d2887fe121896d321000a61 (patch)
tree629a8af05ecbe3ed8e18938de2564517c9b44d92 /include/linux/reset.h
parent3d0dad869aeb5d8e81985c73a6c73428258f8083 (diff)
parentf5c547efa16c0ea5abff0596e829f502be11902e (diff)
Merge drm/drm-next into drm-misc-next
Requested, and we need v5.5-rc1 backported as our current branch is still based on v5.4. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'include/linux/reset.h')
-rw-r--r--include/linux/reset.h48
1 files changed, 47 insertions, 1 deletions
diff --git a/include/linux/reset.h b/include/linux/reset.h
index e7793fc0fa93..05aa9f440f48 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -143,7 +143,7 @@ static inline int device_reset_optional(struct device *dev)
* If this function is called more than once for the same reset_control it will
* return -EBUSY.
*
- * See reset_control_get_shared for details on shared references to
+ * See reset_control_get_shared() for details on shared references to
* reset-controls.
*
* Use of id names is optional.
@@ -203,12 +203,34 @@ static inline struct reset_control *reset_control_get_shared(
return __reset_control_get(dev, id, 0, true, false, false);
}
+/**
+ * reset_control_get_optional_exclusive - optional reset_control_get_exclusive()
+ * @dev: device to be reset by the controller
+ * @id: reset line name
+ *
+ * Optional variant of reset_control_get_exclusive(). If the requested reset
+ * is not specified in the device tree, this function returns NULL instead of
+ * an error.
+ *
+ * See reset_control_get_exclusive() for more information.
+ */
static inline struct reset_control *reset_control_get_optional_exclusive(
struct device *dev, const char *id)
{
return __reset_control_get(dev, id, 0, false, true, true);
}
+/**
+ * reset_control_get_optional_shared - optional reset_control_get_shared()
+ * @dev: device to be reset by the controller
+ * @id: reset line name
+ *
+ * Optional variant of reset_control_get_shared(). If the requested reset
+ * is not specified in the device tree, this function returns NULL instead of
+ * an error.
+ *
+ * See reset_control_get_shared() for more information.
+ */
static inline struct reset_control *reset_control_get_optional_shared(
struct device *dev, const char *id)
{
@@ -354,12 +376,36 @@ static inline struct reset_control *devm_reset_control_get_shared(
return __devm_reset_control_get(dev, id, 0, true, false, false);
}
+/**
+ * devm_reset_control_get_optional_exclusive - resource managed
+ * reset_control_get_optional_exclusive()
+ * @dev: device to be reset by the controller
+ * @id: reset line name
+ *
+ * Managed reset_control_get_optional_exclusive(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_get_optional_exclusive() for more information.
+ */
static inline struct reset_control *devm_reset_control_get_optional_exclusive(
struct device *dev, const char *id)
{
return __devm_reset_control_get(dev, id, 0, false, true, true);
}
+/**
+ * devm_reset_control_get_optional_shared - resource managed
+ * reset_control_get_optional_shared()
+ * @dev: device to be reset by the controller
+ * @id: reset line name
+ *
+ * Managed reset_control_get_optional_shared(). For reset controllers returned
+ * from this function, reset_control_put() is called automatically on driver
+ * detach.
+ *
+ * See reset_control_get_optional_shared() for more information.
+ */
static inline struct reset_control *devm_reset_control_get_optional_shared(
struct device *dev, const char *id)
{