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@@ -7,7 +7,7 @@
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#define _RESET_H
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#include <dm/ofnode.h>
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-#include <linux/errno.h>
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+#include <linux/err.h>
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/**
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* A reset is a hardware signal indicating that a HW module (or IP block, or
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@@ -84,6 +84,98 @@ struct reset_ctl_bulk {
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};
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#if CONFIG_IS_ENABLED(DM_RESET)
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+
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+/**
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+ * devm_reset_control_get - resource managed reset_get_by_name()
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+ * @dev: device to be reset by the controller
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+ * @id: reset line name
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+ *
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+ * Managed reset_get_by_name(). For reset controllers returned
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+ * from this function, reset_free() is called automatically on driver
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+ * detach.
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+ *
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+ * Returns a struct reset_ctl or IS_ERR() condition containing errno.
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+ */
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+struct reset_ctl *devm_reset_control_get(struct udevice *dev, const char *id);
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+
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+/**
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+ * devm_reset_control_get_optional - resource managed reset_get_by_name() that
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+ * can fail
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+ * @dev: The client device.
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+ * @id: reset line name
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+ *
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+ * Managed reset_get_by_name(). For reset controllers returned
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+ * from this function, reset_free() is called automatically on driver
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+ * detach.
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+ *
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+ * Returns a struct reset_ctl or a dummy reset controller if it failed.
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+ */
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+struct reset_ctl *devm_reset_control_get_optional(struct udevice *dev,
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+ const char *id);
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+
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+/**
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+ * devm_reset_control_get - resource managed reset_get_by_index()
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+ * @dev: The client device.
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+ * @index: The index of the reset signal to request, within the client's
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+ * list of reset signals.
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+ *
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+ * Managed reset_get_by_index(). For reset controllers returned
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+ * from this function, reset_free() is called automatically on driver
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+ * detach.
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+ *
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+ * Returns a struct reset_ctl or IS_ERR() condition containing errno.
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+ */
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+struct reset_ctl *devm_reset_control_get_by_index(struct udevice *dev,
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+ int index);
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+
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+/**
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+ * devm_reset_bulk_get - resource managed reset_get_bulk()
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+ * @dev: device to be reset by the controller
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+ *
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+ * Managed reset_get_bulk(). For reset controllers returned
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+ * from this function, reset_free() is called automatically on driver
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+ * detach.
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+ *
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+ * Returns a struct reset_ctl or IS_ERR() condition containing errno.
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+ */
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+struct reset_ctl_bulk *devm_reset_bulk_get(struct udevice *dev);
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+
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+/**
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+ * devm_reset_bulk_get_optional - resource managed reset_get_bulk() that
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+ * can fail
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+ * @dev: The client device.
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+ *
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+ * Managed reset_get_bulk(). For reset controllers returned
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+ * from this function, reset_free() is called automatically on driver
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+ * detach.
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+ *
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+ * Returns a struct reset_ctl or NULL if it failed.
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+ */
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+struct reset_ctl_bulk *devm_reset_bulk_get_optional(struct udevice *dev);
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+
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+/**
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+ * devm_reset_bulk_get_by_node - resource managed reset_get_bulk()
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+ * @dev: device to be reset by the controller
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+ * @node: ofnode where the "resets" property is. Usually a sub-node of
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+ * the dev's node.
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+ *
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+ * see devm_reset_bulk_get()
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+ */
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+struct reset_ctl_bulk *devm_reset_bulk_get_by_node(struct udevice *dev,
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+ ofnode node);
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+
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+/**
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+ * devm_reset_bulk_get_optional_by_node - resource managed reset_get_bulk()
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+ * that can fail
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+ * @dev: device to be reset by the controller
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+ * @node: ofnode where the "resets" property is. Usually a sub-node of
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+ * the dev's node.
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+ *
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+ * see devm_reset_bulk_get_optional()
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+ */
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+struct reset_ctl_bulk *devm_reset_bulk_get_optional_by_node(struct udevice *dev,
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+ ofnode node);
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+
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/**
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* reset_get_by_index - Get/request a reset signal by integer index.
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*
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@@ -265,7 +357,48 @@ static inline int reset_release_bulk(struct reset_ctl_bulk *bulk)
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{
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return reset_release_all(bulk->resets, bulk->count);
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}
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+
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#else
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+static inline struct reset_ctl *devm_reset_control_get(struct udevice *dev,
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+ const char *id)
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+{
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+ return ERR_PTR(-ENOTSUPP);
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+}
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+
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+static inline struct reset_ctl *devm_reset_control_get_optional(struct udevice *dev,
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+ const char *id)
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+{
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+ return NULL;
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+}
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+
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+static inline struct reset_ctl *devm_reset_control_get_by_index(struct udevice *dev,
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+ int index)
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+{
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+ return ERR_PTR(-ENOTSUPP);
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+}
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+
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+static inline struct reset_ctl_bulk *devm_reset_bulk_get(struct udevice *dev)
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+{
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+ return ERR_PTR(-ENOTSUPP);
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+}
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+
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+static inline struct reset_ctl_bulk *devm_reset_bulk_get_optional(struct udevice *dev)
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+{
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+ return NULL;
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+}
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+
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+static inline struct reset_ctl_bulk *devm_reset_bulk_get_by_node(struct udevice *dev,
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+ ofnode node)
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+{
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+ return ERR_PTR(-ENOTSUPP);
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+}
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+
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+static inline struct reset_ctl_bulk *devm_reset_bulk_get_optional_by_node(struct udevice *dev,
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+ ofnode node)
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+{
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+ return NULL;
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+}
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+
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static inline int reset_get_by_index(struct udevice *dev, int index,
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struct reset_ctl *reset_ctl)
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{
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