msm: camera: reqmgr: Work queue names added

Added wrapper functions for each workq to enable workq names
in log.

CRs-Fixed: 2684378
Change-Id: If5b3671fbf20777cc891cba4b27cad6ed3a0d146
Signed-off-by: Wyes Karny <wkarny@codeaurora.org>

drivers/cam_req_mgr/cam_req_mgr_core.c

@@ -3463,6 +3463,11 @@ end:
 	return rc;
 }
 
+static void cam_req_mgr_process_workq_link_worker(struct work_struct *w)
+{
+	cam_req_mgr_process_workq(w);
+}
+
 int cam_req_mgr_link(struct cam_req_mgr_ver_info *link_info)
 {
 	int                                     rc = 0;
@@ -3541,7 +3546,8 @@ int cam_req_mgr_link(struct cam_req_mgr_ver_info *link_info)
 		link_info->u.link_info_v1.session_hdl, link->link_hdl);
 	wq_flag = CAM_WORKQ_FLAG_HIGH_PRIORITY | CAM_WORKQ_FLAG_SERIAL;
 	rc = cam_req_mgr_workq_create(buf, CRM_WORKQ_NUM_TASKS,
-		&link->workq, CRM_WORKQ_USAGE_NON_IRQ, wq_flag);
+		&link->workq, CRM_WORKQ_USAGE_NON_IRQ, wq_flag,
+		cam_req_mgr_process_workq_link_worker);
 	if (rc < 0) {
 		CAM_ERR(CAM_CRM, "FATAL: unable to create worker");
 		__cam_req_mgr_destroy_link_info(link);
@@ -3650,7 +3656,8 @@ int cam_req_mgr_link_v2(struct cam_req_mgr_ver_info *link_info)
 		link_info->u.link_info_v2.session_hdl, link->link_hdl);
 	wq_flag = CAM_WORKQ_FLAG_HIGH_PRIORITY | CAM_WORKQ_FLAG_SERIAL;
 	rc = cam_req_mgr_workq_create(buf, CRM_WORKQ_NUM_TASKS,
-		&link->workq, CRM_WORKQ_USAGE_NON_IRQ, wq_flag);
+		&link->workq, CRM_WORKQ_USAGE_NON_IRQ, wq_flag,
+		cam_req_mgr_process_workq_link_worker);
 	if (rc < 0) {
 		CAM_ERR(CAM_CRM, "FATAL: unable to create worker");
 		__cam_req_mgr_destroy_link_info(link);

drivers/cam_req_mgr/cam_req_mgr_workq.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
  */
 
 #include "cam_req_mgr_workq.h"
@@ -88,7 +88,7 @@ static int cam_req_mgr_process_task(struct crm_workq_task *task)
  * cam_req_mgr_process_workq() - main loop handling
  * @w: workqueue task pointer
  */
-static void cam_req_mgr_process_workq(struct work_struct *w)
+void cam_req_mgr_process_workq(struct work_struct *w)
 {
 	struct cam_req_mgr_core_workq *workq = NULL;
 	struct crm_workq_task         *task;
@@ -172,7 +172,7 @@ end:
 
 int cam_req_mgr_workq_create(char *name, int32_t num_tasks,
 	struct cam_req_mgr_core_workq **workq, enum crm_workq_context in_irq,
-	int flags)
+	int flags, void (*func)(struct work_struct *w))
 {
 	int32_t i, wq_flags = 0, max_active_tasks = 0;
 	struct crm_workq_task  *task;
@@ -202,7 +202,7 @@ int cam_req_mgr_workq_create(char *name, int32_t num_tasks,
 		}
 
 		/* Workq attributes initialization */
-		INIT_WORK(&crm_workq->work, cam_req_mgr_process_workq);
+		INIT_WORK(&crm_workq->work, func);
 		spin_lock_init(&crm_workq->lock_bh);
 		CAM_DBG(CAM_CRM, "LOCK_DBG workq %s lock %pK",
 			name, &crm_workq->lock_bh);

drivers/cam_req_mgr/cam_req_mgr_workq.h

@@ -98,6 +98,12 @@ struct cam_req_mgr_core_workq {
 	} task;
 };
 
+/**
+ * cam_req_mgr_process_workq() - main loop handling
+ * @w: workqueue task pointer
+ */
+void cam_req_mgr_process_workq(struct work_struct *w);
+
 /**
  * cam_req_mgr_workq_create()
  * @brief    : create a workqueue
@@ -108,12 +114,13 @@ struct cam_req_mgr_core_workq {
  * @in_irq   : Set to one if workq might be used in irq context
  * @flags    : Bitwise OR of Flags for workq behavior.
  *             e.g. CAM_REQ_MGR_WORKQ_HIGH_PRIORITY | CAM_REQ_MGR_WORKQ_SERIAL
+ * @func     : function pointer for cam_req_mgr_process_workq wrapper function
  * This function will allocate and create workqueue and pass
  * the workq pointer to caller.
  */
 int cam_req_mgr_workq_create(char *name, int32_t num_tasks,
 	struct cam_req_mgr_core_workq **workq, enum crm_workq_context in_irq,
-	int flags);
+	int flags, void (*func)(struct work_struct *w));
 
 /**
  * cam_req_mgr_workq_destroy()