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+/*
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+ * Copyright (c) 2018 The Linux Foundation. All rights reserved.
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+ *
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+ * Permission to use, copy, modify, and/or distribute this software for
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+ * any purpose with or without fee is hereby granted, provided that the
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+ * above copyright notice and this permission notice appear in all
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+ * copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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+ * PERFORMANCE OF THIS SOFTWARE.
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+ */
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+/**
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+ * DOC: define utility API related to the DISA component
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+ * called by other components
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+ */
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+
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+#include "wlan_disa_obj_mgmt_api.h"
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+#include "wlan_disa_main.h"
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+#include "target_if_disa.h"
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+#include "wlan_disa_tgt_api.h"
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+
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+/**
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+ * disa_init() - register disa notification handlers.
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+ *
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+ * This function registers disa related notification handlers and
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+ * allocates disa context.
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+ *
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+ * Return: QDF_STATUS_SUCCESS - in case of success else return error
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+ */
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+QDF_STATUS disa_init(void)
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+{
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+ QDF_STATUS status;
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+
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+ DISA_ENTER();
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+
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+ if (disa_allocate_ctx() != QDF_STATUS_SUCCESS) {
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+ disa_err("unable to allocate disa ctx");
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+ status = QDF_STATUS_E_FAULT;
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+ goto out;
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+ }
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+
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+ status = wlan_objmgr_register_psoc_create_handler(
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+ WLAN_UMAC_COMP_DISA,
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+ disa_psoc_object_created_notification,
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+ NULL);
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+ if (status != QDF_STATUS_SUCCESS) {
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+ disa_err("unable to register psoc create handler");
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+ goto err_free_ctx;
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+ }
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+
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+ status = wlan_objmgr_register_psoc_destroy_handler(
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+ WLAN_UMAC_COMP_DISA,
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+ disa_psoc_object_destroyed_notification,
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+ NULL);
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+ if (status != QDF_STATUS_SUCCESS) {
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+ disa_err("unable to register psoc destroy handler");
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+ wlan_objmgr_unregister_psoc_create_handler(
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+ WLAN_UMAC_COMP_DISA,
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+ disa_psoc_object_created_notification,
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+ NULL);
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+ } else {
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+ goto out;
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+ }
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+
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+err_free_ctx:
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+ disa_free_ctx();
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+out:
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+ DISA_EXIT();
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+
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+ return status;
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+}
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+
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+/**
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+ * disa_deinit() - unregister disa notification handlers.
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+ *
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+ * This function unregisters disa related notification handlers and
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+ * frees disa context.
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+ *
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+ * Return: QDF_STATUS_SUCCESS - in case of success else return error
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+ */
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+QDF_STATUS disa_deinit(void)
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+{
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+ QDF_STATUS status;
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+
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+ DISA_ENTER();
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+ status = wlan_objmgr_unregister_psoc_destroy_handler(
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+ WLAN_UMAC_COMP_DISA,
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+ disa_psoc_object_destroyed_notification,
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+ NULL);
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+ if (status != QDF_STATUS_SUCCESS)
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+ disa_err("unable to unregister psoc create handle");
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+
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+ status = wlan_objmgr_unregister_psoc_create_handler(
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+ WLAN_UMAC_COMP_DISA,
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+ disa_psoc_object_created_notification,
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+ NULL);
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+ if (status != QDF_STATUS_SUCCESS)
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+ disa_err("unable to unregister psoc create handle");
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+
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+ disa_free_ctx();
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+ DISA_EXIT();
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+
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+ return status;
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+}
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+
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+/**
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+ * disa_psoc_object_created_notification(): disa psoc create handler
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+ * @psoc: psoc which is going to created by objmgr
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+ * @arg: argument for psoc create handler
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+ *
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+ * Attach psoc private object, register rx/tx ops and event handlers
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+ *
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+ * Return QDF_STATUS status in case of success else return error
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+ */
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+QDF_STATUS disa_psoc_object_created_notification(
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+ struct wlan_objmgr_psoc *psoc, void *arg)
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+{
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+ struct disa_psoc_priv_obj *disa_priv;
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+ QDF_STATUS status;
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+
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+ DISA_ENTER();
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+
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+ disa_priv = qdf_mem_malloc(sizeof(*disa_priv));
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+ if (disa_priv == NULL) {
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+ disa_err("Failed to allocate disa_priv");
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+ status = QDF_STATUS_E_NOMEM;
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+ goto out;
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+ }
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+
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+ status = wlan_objmgr_psoc_component_obj_attach(psoc,
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+ WLAN_UMAC_COMP_DISA,
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+ (void *)disa_priv, QDF_STATUS_SUCCESS);
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+ if (status != QDF_STATUS_SUCCESS) {
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+ disa_err("Failed to attach disa_priv with psoc");
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+ qdf_mem_free(disa_priv);
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+ goto out;
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+ }
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+
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+ qdf_spinlock_create(&disa_priv->lock);
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+ target_if_disa_register_tx_ops(&disa_priv->disa_tx_ops);
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+
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+out:
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+ DISA_EXIT();
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+
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+ return status;
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+}
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+
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+/**
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+ * disa_psoc_object_destroyed_notification(): disa psoc destroy handler
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+ * @psoc: objmgr object corresponding to psoc which is going to be destroyed
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+ * @arg: argument for psoc destroy handler
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+ *
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+ * Detach and free psoc private object, unregister event handlers
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+ *
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+ * Return QDF_STATUS status in case of success else return error
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+ */
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+QDF_STATUS disa_psoc_object_destroyed_notification(
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+ struct wlan_objmgr_psoc *psoc, void *arg)
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+{
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+ struct disa_psoc_priv_obj *disa_priv = NULL;
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+ QDF_STATUS status = QDF_STATUS_SUCCESS;
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+
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+ DISA_ENTER();
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+
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+ disa_priv = disa_psoc_get_priv(psoc);
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+
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+ status = wlan_objmgr_psoc_component_obj_detach(psoc,
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+ WLAN_UMAC_COMP_DISA,
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+ (void *)disa_priv);
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+
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+ if (status != QDF_STATUS_SUCCESS)
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+ disa_err("Failed to detach disa_priv with psoc");
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+
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+ qdf_spinlock_destroy(&disa_priv->lock);
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+ qdf_mem_free(disa_priv);
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+ DISA_EXIT();
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+
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+ return status;
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+}
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+
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+/**
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+ * disa_psoc_enable() - Trigger psoc enable for DISA
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+ * @psoc: objmgr psoc object
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+ *
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+ * Return: QDF status success or failure
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+ */
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+QDF_STATUS disa_psoc_enable(struct wlan_objmgr_psoc *psoc)
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+{
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+ return tgt_disa_register_ev_handlers(psoc);
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+
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+}
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+
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+/**
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+ * disa_psoc_disable() - Trigger psoc disable for DISA
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+ * @psoc: objmgr psoc object
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+ *
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+ * Return: QDF status success or failure
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+ */
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+QDF_STATUS disa_psoc_disable(struct wlan_objmgr_psoc *psoc)
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+{
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+ return tgt_disa_unregister_ev_handlers(psoc);
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+
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+}
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+
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