[PATCH v5 04/17] reset: Add reset_control_bulk API

14 Mar 2021

From: Philipp Zabel p.zabel@pengutronix.de
Follow the clock and regulator subsystems' lead and add a bulk API
for reset controls.
Signed-off-by: Philipp Zabel p.zabel@pengutronix.de
Tested-by: Dmitry Osipenko digetx@gmail.com
Signed-off-by: Dmitry Osipenko digetx@gmail.com
---
 drivers/reset/core.c  | 215 ++++++++++++++++++++++++++++
 include/linux/reset.h | 315 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 530 insertions(+)

diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index dbf881b586d9..71c1c8264b2d 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -358,6 +358,30 @@ int reset_control_reset(struct reset_control *rstc)
 }
 EXPORT_SYMBOL_GPL(reset_control_reset);
+/**
+ * reset_control_bulk_reset - reset the controlled devices in order
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset controls set
+ *
+ * Issue a reset on all provided reset controls, in order.
+ *
+ * See also: reset_control_reset()
+ */
+int reset_control_bulk_reset(int num_rstcs,
+			     struct reset_control_bulk_data *rstcs)
+{
+	int ret, i;
+
+	for (i = 0; i < num_rstcs; i++) {
+		ret = reset_control_reset(rstcs[i].rstc);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(reset_control_bulk_reset);
+
 /**
  * reset_control_rearm - allow shared reset line to be re-triggered"
  * @rstc: reset controller
@@ -461,6 +485,36 @@ int reset_control_assert(struct reset_control *rstc)
 }
 EXPORT_SYMBOL_GPL(reset_control_assert);
+/**
+ * reset_control_bulk_assert - asserts the reset lines in order
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset controls set
+ *
+ * Assert the reset lines for all provided reset controls, in order.
+ * If an assertion fails, already asserted resets are deasserted again.
+ *
+ * See also: reset_control_assert()
+ */
+int reset_control_bulk_assert(int num_rstcs,
+			      struct reset_control_bulk_data *rstcs)
+{
+	int ret, i;
+
+	for (i = 0; i < num_rstcs; i++) {
+		ret = reset_control_assert(rstcs[i].rstc);
+		if (ret)
+			goto err;
+	}
+
+	return 0;
+
+err:
+	while (i--)
+		reset_control_deassert(rstcs[i].rstc);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(reset_control_bulk_assert);
+
 /**
  * reset_control_deassert - deasserts the reset line
  * @rstc: reset controller
@@ -511,6 +565,36 @@ int reset_control_deassert(struct reset_control *rstc)
 }
 EXPORT_SYMBOL_GPL(reset_control_deassert);
+/**
+ * reset_control_bulk_deassert - deasserts the reset lines in reverse order
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset controls set
+ *
+ * Deassert the reset lines for all provided reset controls, in reverse order.
+ * If a deassertion fails, already deasserted resets are asserted again.
+ *
+ * See also: reset_control_deassert()
+ */
+int reset_control_bulk_deassert(int num_rstcs,
+				struct reset_control_bulk_data *rstcs)
+{
+	int ret, i;
+
+	for (i = num_rstcs - 1; i >= 0; i--) {
+		ret = reset_control_deassert(rstcs[i].rstc);
+		if (ret)
+			goto err;
+	}
+
+	return 0;
+
+err:
+	while (i < num_rstcs)
+		reset_control_assert(rstcs[i++].rstc);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(reset_control_bulk_deassert);
+
 /**
  * reset_control_status - returns a negative errno if not supported, a
  * positive value if the reset line is asserted, or zero if the reset
@@ -588,6 +672,36 @@ int reset_control_acquire(struct reset_control *rstc)
 }
 EXPORT_SYMBOL_GPL(reset_control_acquire);
+/**
+ * reset_control_bulk_acquire - acquires reset controls for exclusive use
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset controls set
+ *
+ * This is used to explicitly acquire reset controls requested with
+ * reset_control_bulk_get_exclusive_release() for temporary exclusive use.
+ *
+ * See also: reset_control_acquire(), reset_control_bulk_release()
+ */
+int reset_control_bulk_acquire(int num_rstcs,
+			       struct reset_control_bulk_data *rstcs)
+{
+	int ret, i;
+
+	for (i = 0; i < num_rstcs; i++) {
+		ret = reset_control_acquire(rstcs[i].rstc);
+		if (ret)
+			goto err;
+	}
+
+	return 0;
+
+err:
+	while (i--)
+		reset_control_release(rstcs[i].rstc);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(reset_control_bulk_acquire);
+
 /**
  * reset_control_release() - releases exclusive access to a reset control
  * @rstc: reset control
@@ -610,6 +724,26 @@ void reset_control_release(struct reset_control *rstc)
 }
 EXPORT_SYMBOL_GPL(reset_control_release);
+/**
+ * reset_control_bulk_release() - releases exclusive access to reset controls
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset controls set
+ *
+ * Releases exclusive access right to reset controls previously obtained by a
+ * call to reset_control_bulk_acquire().
+ *
+ * See also: reset_control_release(), reset_control_bulk_acquire()
+ */
+void reset_control_bulk_release(int num_rstcs,
+				struct reset_control_bulk_data *rstcs)
+{
+	int i;
+
+	for (i = 0; i < num_rstcs; i++)
+		reset_control_release(rstcs[i].rstc);
+}
+EXPORT_SYMBOL_GPL(reset_control_bulk_release);
+
 static struct reset_control *__reset_control_get_internal(
    			struct reset_controller_dev *rcdev,
    			unsigned int index, bool shared, bool acquired)
@@ -814,6 +948,32 @@ struct reset_control *__reset_control_get(struct device *dev, const char *id,
 }
 EXPORT_SYMBOL_GPL(__reset_control_get);
+int __reset_control_bulk_get(struct device *dev, int num_rstcs,
+			     struct reset_control_bulk_data *rstcs,
+			     bool shared, bool optional, bool acquired)
+{
+	int ret, i;
+
+	for (i = 0; i < num_rstcs; i++) {
+		rstcs[i].rstc = __reset_control_get(dev, rstcs[i].id, 0,
+						    shared, optional, acquired);
+		if (IS_ERR(rstcs[i].rstc)) {
+			ret = PTR_ERR(rstcs[i].rstc);
+			goto err;
+		}
+	}
+
+	return 0;
+
+err:
+	mutex_lock(&reset_list_mutex);
+	while (i--)
+		__reset_control_put_internal(rstcs[i].rstc);
+	mutex_unlock(&reset_list_mutex);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(__reset_control_bulk_get);
+
 static void reset_control_array_put(struct reset_control_array *resets)
 {
    int i;
@@ -845,6 +1005,23 @@ void reset_control_put(struct reset_control *rstc)
 }
 EXPORT_SYMBOL_GPL(reset_control_put);
+/**
+ * reset_control_bulk_put - free the reset controllers
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset controls set
+ */
+void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+	mutex_lock(&reset_list_mutex);
+	while (num_rstcs--) {
+		if (IS_ERR_OR_NULL(rstcs[num_rstcs].rstc))
+			continue;
+		__reset_control_put_internal(rstcs[num_rstcs].rstc);
+	}
+	mutex_unlock(&reset_list_mutex);
+}
+EXPORT_SYMBOL_GPL(reset_control_bulk_put);
+
 static void devm_reset_control_release(struct device *dev, void *res)
 {
    reset_control_put(*(struct reset_control **)res);
@@ -874,6 +1051,44 @@ struct reset_control *__devm_reset_control_get(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(__devm_reset_control_get);
+struct reset_control_bulk_devres {
+	int num_rstcs;
+	struct reset_control_bulk_data *rstcs;
+};
+
+static void devm_reset_control_bulk_release(struct device *dev, void *res)
+{
+	struct reset_control_bulk_devres *devres = res;
+
+	reset_control_bulk_put(devres->num_rstcs, devres->rstcs);
+}
+
+int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
+				  struct reset_control_bulk_data *rstcs,
+				  bool shared, bool optional, bool acquired)
+{
+	struct reset_control_bulk_devres *ptr;
+	int ret;
+
+	ptr = devres_alloc(devm_reset_control_bulk_release, sizeof(*ptr),
+			   GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	ret = __reset_control_bulk_get(dev, num_rstcs, rstcs, shared, optional, acquired);
+	if (ret < 0) {
+		devres_free(ptr);
+		return ret;
+	}
+
+	ptr->num_rstcs = num_rstcs;
+	ptr->rstcs = rstcs;
+	devres_add(dev, ptr);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(__devm_reset_control_bulk_get);
+
 /**
  * __device_reset - find reset controller associated with the device
  *                  and perform reset
diff --git a/include/linux/reset.h b/include/linux/reset.h
index b9109efa2a5c..46e6372cb431 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -10,6 +10,21 @@ struct device;
 struct device_node;
 struct reset_control;
+/**
+ * struct reset_control_bulk_data - Data used for bulk reset control operations.
+ *
+ * @id: reset control consumer ID
+ * @rstc: struct reset_control * to store the associated reset control
+ *
+ * The reset APIs provide a series of reset_control_bulk_*() API calls as
+ * a convenience to consumers which require multiple reset controls.
+ * This structure is used to manage data for these calls.
+ */
+struct reset_control_bulk_data {
+	const char			*id;
+	struct reset_control		*rstc;
+};
+
 #ifdef CONFIG_RESET_CONTROLLER
int reset_control_reset(struct reset_control *rstc);
@@ -20,6 +35,12 @@ int reset_control_status(struct reset_control *rstc);
 int reset_control_acquire(struct reset_control *rstc);
 void reset_control_release(struct reset_control *rstc);
+int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs);
+int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs);
+int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs);
+int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs);
+void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs);
+
 struct reset_control *__of_reset_control_get(struct device_node *node,
    			     const char *id, int index, bool shared,
    			     bool optional, bool acquired);
@@ -27,10 +48,18 @@ struct reset_control *__reset_control_get(struct device *dev, const char *id,
    				  int index, bool shared,
    				  bool optional, bool acquired);
 void reset_control_put(struct reset_control *rstc);
+int __reset_control_bulk_get(struct device *dev, int num_rstcs,
+			     struct reset_control_bulk_data *rstcs,
+			     bool shared, bool optional, bool acquired);
+void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs);
+
 int __device_reset(struct device *dev, bool optional);
 struct reset_control *__devm_reset_control_get(struct device *dev,
    			     const char *id, int index, bool shared,
    			     bool optional, bool acquired);
+int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
+				  struct reset_control_bulk_data *rstcs,
+				  bool shared, bool optional, bool acquired);
struct reset_control *devm_reset_control_array_get(struct device *dev,
    					   bool shared, bool optional);
@@ -96,6 +125,48 @@ static inline struct reset_control *__reset_control_get(
    return optional ? NULL : ERR_PTR(-ENOTSUPP);
 }
+static inline int
+reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+	return 0;
+}
+
+static inline int
+reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+	return 0;
+}
+
+static inline int
+reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+	return 0;
+}
+
+static inline int
+reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+	return 0;
+}
+
+static inline void
+reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+}
+
+static inline int
+__reset_control_bulk_get(struct device *dev, int num_rstcs,
+			 struct reset_control_bulk_data *rstcs,
+			 bool shared, bool optional, bool acquired)
+{
+	return optional ? 0 : -EOPNOTSUPP;
+}
+
+static inline void
+reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs)
+{
+}
+
 static inline struct reset_control *__devm_reset_control_get(
    				struct device *dev, const char *id,
    				int index, bool shared, bool optional,
@@ -104,6 +175,14 @@ static inline struct reset_control *__devm_reset_control_get(
    return optional ? NULL : ERR_PTR(-ENOTSUPP);
 }
+static inline int
+__devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
+			      struct reset_control_bulk_data *rstcs,
+			      bool shared, bool optional, bool acquired)
+{
+	return optional ? 0 : -EOPNOTSUPP;
+}
+
 static inline struct reset_control *
 devm_reset_control_array_get(struct device *dev, bool shared, bool optional)
 {
@@ -155,6 +234,23 @@ __must_check reset_control_get_exclusive(struct device *dev, const char *id)
    return __reset_control_get(dev, id, 0, false, false, true);
 }
+/**
+ * reset_control_bulk_get_exclusive - Lookup and obtain exclusive references to
+ *                                    multiple reset controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Fills the rstcs array with pointers to exclusive reset controls and
+ * returns 0, or an IS_ERR() condition containing errno.
+ */
+static inline int __must_check
+reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
+				 struct reset_control_bulk_data *rstcs)
+{
+	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
+}
+
 /**
  * reset_control_get_exclusive_released - Lookup and obtain a temoprarily
  *                                        exclusive reference to a reset
@@ -176,6 +272,48 @@ __must_check reset_control_get_exclusive_released(struct device *dev,
    return __reset_control_get(dev, id, 0, false, false, false);
 }
+/**
+ * reset_control_bulk_get_exclusive_released - Lookup and obtain temporarily
+ *                                    exclusive references to multiple reset
+ *                                    controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Fills the rstcs array with pointers to exclusive reset controls and
+ * returns 0, or an IS_ERR() condition containing errno.
+ * reset-controls returned by this function must be acquired via
+ * reset_control_bulk_acquire() before they can be used and should be released
+ * via reset_control_bulk_release() afterwards.
+ */
+static inline int __must_check
+reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
+					  struct reset_control_bulk_data *rstcs)
+{
+	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
+}
+
+/**
+ * reset_control_bulk_get_optional_exclusive_released - Lookup and obtain optional
+ *                                    temporarily exclusive references to multiple
+ *                                    reset controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Optional variant of reset_control_bulk_get_exclusive_released(). If the
+ * requested reset is not specified in the device tree, this function returns 0
+ * instead of an error and missing rtsc is set to NULL.
+ *
+ * See reset_control_bulk_get_exclusive_released() for more information.
+ */
+static inline int __must_check
+reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
+						   struct reset_control_bulk_data *rstcs)
+{
+	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
+}
+
 /**
  * reset_control_get_shared - Lookup and obtain a shared reference to a
  *                            reset controller.
@@ -204,6 +342,23 @@ static inline struct reset_control *reset_control_get_shared(
    return __reset_control_get(dev, id, 0, true, false, false);
 }
+/**
+ * reset_control_bulk_get_shared - Lookup and obtain shared references to
+ *                                 multiple reset controllers.
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Fills the rstcs array with pointers to shared reset controls and
+ * returns 0, or an IS_ERR() condition containing errno.
+ */
+static inline int __must_check
+reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
+			      struct reset_control_bulk_data *rstcs)
+{
+	return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
+}
+
 /**
  * reset_control_get_optional_exclusive - optional reset_control_get_exclusive()
  * @dev: device to be reset by the controller
@@ -221,6 +376,26 @@ static inline struct reset_control *reset_control_get_optional_exclusive(
    return __reset_control_get(dev, id, 0, false, true, true);
 }
+/**
+ * reset_control_bulk_get_optional_exclusive - optional
+ *                                             reset_control_bulk_get_exclusive()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Optional variant of reset_control_bulk_get_exclusive(). If any of the
+ * requested resets are not specified in the device tree, this function sets
+ * them to NULL instead of returning an error.
+ *
+ * See reset_control_bulk_get_exclusive() for more information.
+ */
+static inline int __must_check
+reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs,
+					  struct reset_control_bulk_data *rstcs)
+{
+	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, true);
+}
+
 /**
  * reset_control_get_optional_shared - optional reset_control_get_shared()
  * @dev: device to be reset by the controller
@@ -238,6 +413,26 @@ static inline struct reset_control *reset_control_get_optional_shared(
    return __reset_control_get(dev, id, 0, true, true, false);
 }
+/**
+ * reset_control_bulk_get_optional_shared - optional
+ *                                             reset_control_bulk_get_shared()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Optional variant of reset_control_bulk_get_shared(). If the requested resets
+ * are not specified in the device tree, this function sets them to NULL
+ * instead of returning an error.
+ *
+ * See reset_control_bulk_get_shared() for more information.
+ */
+static inline int __must_check
+reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs,
+				       struct reset_control_bulk_data *rstcs)
+{
+	return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false);
+}
+
 /**
  * of_reset_control_get_exclusive - Lookup and obtain an exclusive reference
  *                                  to a reset controller.
@@ -343,6 +538,26 @@ __must_check devm_reset_control_get_exclusive(struct device *dev,
    return __devm_reset_control_get(dev, id, 0, false, false, true);
 }
+/**
+ * devm_reset_control_bulk_get_exclusive - resource managed
+ *                                         reset_control_bulk_get_exclusive()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_exclusive(). For reset controllers returned
+ * from this function, reset_control_put() is called automatically on driver
+ * detach.
+ *
+ * See reset_control_bulk_get_exclusive() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
+				      struct reset_control_bulk_data *rstcs)
+{
+	return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
+}
+
 /**
  * devm_reset_control_get_exclusive_released - resource managed
  *                                             reset_control_get_exclusive_released()
@@ -362,6 +577,26 @@ __must_check devm_reset_control_get_exclusive_released(struct device *dev,
    return __devm_reset_control_get(dev, id, 0, false, false, false);
 }
+/**
+ * devm_reset_control_bulk_get_exclusive_released - resource managed
+ *                                                  reset_control_bulk_get_exclusive_released()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_exclusive_released(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_bulk_get_exclusive_released() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
+					       struct reset_control_bulk_data *rstcs)
+{
+	return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
+}
+
 /**
  * devm_reset_control_get_optional_exclusive_released - resource managed
  *                                                      reset_control_get_optional_exclusive_released()
@@ -381,6 +616,26 @@ __must_check devm_reset_control_get_optional_exclusive_released(struct device *d
    return __devm_reset_control_get(dev, id, 0, false, true, false);
 }
+/**
+ * devm_reset_control_bulk_get_optional_exclusive_released - resource managed
+ *                                                           reset_control_bulk_optional_get_exclusive_released()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_optional_get_exclusive_released(). For reset
+ * controllers returned from this function, reset_control_put() is called
+ * automatically on driver detach.
+ *
+ * See reset_control_bulk_optional_get_exclusive_released() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
+							struct reset_control_bulk_data *rstcs)
+{
+	return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
+}
+
 /**
  * devm_reset_control_get_shared - resource managed reset_control_get_shared()
  * @dev: device to be reset by the controller
@@ -396,6 +651,26 @@ static inline struct reset_control *devm_reset_control_get_shared(
    return __devm_reset_control_get(dev, id, 0, true, false, false);
 }
+/**
+ * devm_reset_control_bulk_get_shared - resource managed
+ *                                      reset_control_bulk_get_shared()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_shared(). For reset controllers returned
+ * from this function, reset_control_put() is called automatically on driver
+ * detach.
+ *
+ * See reset_control_bulk_get_shared() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
+				   struct reset_control_bulk_data *rstcs)
+{
+	return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
+}
+
 /**
  * devm_reset_control_get_optional_exclusive - resource managed
  *                                             reset_control_get_optional_exclusive()
@@ -414,6 +689,26 @@ static inline struct reset_control *devm_reset_control_get_optional_exclusive(
    return __devm_reset_control_get(dev, id, 0, false, true, true);
 }
+/**
+ * devm_reset_control_bulk_get_optional_exclusive - resource managed
+ *                                                  reset_control_bulk_get_optional_exclusive()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_optional_exclusive(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_bulk_get_optional_exclusive() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs,
+					       struct reset_control_bulk_data *rstcs)
+{
+	return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, true);
+}
+
 /**
  * devm_reset_control_get_optional_shared - resource managed
  *                                          reset_control_get_optional_shared()
@@ -432,6 +727,26 @@ static inline struct reset_control *devm_reset_control_get_optional_shared(
    return __devm_reset_control_get(dev, id, 0, true, true, false);
 }
+/**
+ * devm_reset_control_bulk_get_optional_shared - resource managed
+ *                                               reset_control_bulk_get_optional_shared()
+ * @dev: device to be reset by the controller
+ * @num_rstcs: number of entries in rstcs array
+ * @rstcs: array of struct reset_control_bulk_data with reset line names set
+ *
+ * Managed reset_control_bulk_get_optional_shared(). For reset controllers
+ * returned from this function, reset_control_put() is called automatically on
+ * driver detach.
+ *
+ * See reset_control_bulk_get_optional_shared() for more information.
+ */
+static inline int __must_check
+devm_reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs,
+					    struct reset_control_bulk_data *rstcs)
+{
+	return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false);
+}
+
 /**
  * devm_reset_control_get_exclusive_by_index - resource managed
  *                                             reset_control_get_exclusive()
-- 
2.30.2


    