msm: camera: cdm: Removing dead code

This change removes unused variables in CDM driver.

CRs-Fixed: 3394193
Change-Id: I21b1b8c5ad3483b0883d5fb09e48f5156f0d8b12
Signed-off-by: Atiya Kailany <quic_akailany@quicinc.com>

drivers/cam_cdm/cam_cdm_core_common.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/delay.h>
@@ -335,12 +335,8 @@ void cam_cdm_notify_clients(struct cam_hw_info *cdm_hw,
 
 static int cam_cdm_stream_handle_init(void *hw_priv, bool init)
 {
-	struct cam_hw_info *cdm_hw = hw_priv;
-	struct cam_cdm *core = NULL;
 	int rc = -EPERM;
 
-	core = (struct cam_cdm *)cdm_hw->core_info;
-
 	if (init) {
 		rc = cam_hw_cdm_init(hw_priv, NULL, 0);
 		if (rc) {
@@ -557,7 +553,6 @@ int cam_cdm_process_cmd(void *hw_priv,
 	uint32_t cmd, void *cmd_args, uint32_t arg_size)
 {
 	struct cam_hw_info *cdm_hw = hw_priv;
-	struct cam_hw_soc_info *soc_data = NULL;
 	struct cam_cdm *core = NULL;
 	int rc = -EINVAL;
 
@@ -565,7 +560,6 @@ int cam_cdm_process_cmd(void *hw_priv,
 		(cmd >= CAM_CDM_HW_INTF_CMD_INVALID))
 		return rc;
 
-	soc_data = &cdm_hw->soc_info;
 	core = (struct cam_cdm *)cdm_hw->core_info;
 
 	/*
@@ -890,7 +884,7 @@ int cam_cdm_process_cmd(void *hw_priv,
 			break;
 		}
 
-		rc = cam_hw_cdm_handle_error(cdm_hw, *handle);
+		rc = cam_hw_cdm_handle_error_info(cdm_hw, *handle);
 		if (rc) {
 			CAM_ERR(CAM_CDM,
 				"CDM HW handle error failed for handle 0x%x rc = %d",

drivers/cam_cdm/cam_cdm_core_common.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef _CAM_CDM_CORE_COMMON_H_
@@ -54,8 +54,8 @@ int cam_hw_cdm_submit_bl(struct cam_hw_info *cdm_hw,
 	struct cam_cdm_client *client);
 int cam_hw_cdm_reset_hw(struct cam_hw_info *cdm_hw, uint32_t handle);
 int cam_hw_cdm_flush_hw(struct cam_hw_info *cdm_hw, uint32_t handle);
-int cam_hw_cdm_handle_error(struct cam_hw_info *cdm_hw, uint32_t handle);
 int cam_hw_cdm_hang_detect(struct cam_hw_info *cdm_hw, uint32_t handle);
+int cam_hw_cdm_handle_error_info(struct cam_hw_info *cdm_hw, uint32_t handle);
 struct cam_cdm_bl_cb_request_entry *cam_cdm_find_request_by_bl_tag(
 	uint32_t tag, struct list_head *bl_list);
 void cam_cdm_notify_clients(struct cam_hw_info *cdm_hw,

drivers/cam_cdm/cam_cdm_hw_core.c

@@ -1116,7 +1116,6 @@ int cam_hw_cdm_submit_bl(struct cam_hw_info *cdm_hw,
 				break;
 			}
 
-			rc = 0;
 			hw_vaddr_ptr = (dma_addr_t)cdm_cmd->cmd[i].bl_addr.hw_iova;
 			len = cdm_cmd->cmd[i].len + cdm_cmd->cmd[i].offset;
 		} else {
@@ -1862,20 +1861,6 @@ int cam_hw_cdm_flush_hw(struct cam_hw_info *cdm_hw, uint32_t handle)
 	return rc;
 }
 
-int cam_hw_cdm_handle_error(
-	struct cam_hw_info *cdm_hw,
-	uint32_t            handle)
-{
-	struct cam_cdm *cdm_core = NULL;
-	int rc = 0;
-
-	cdm_core = (struct cam_cdm *)cdm_hw->core_info;
-
-	rc = cam_hw_cdm_handle_error_info(cdm_hw, handle);
-
-	return rc;
-}
-
 int cam_hw_cdm_hang_detect(
 	struct cam_hw_info *cdm_hw,
 	uint32_t            handle)

drivers/cam_cdm/cam_cdm_util.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/types.h>
@@ -607,11 +607,9 @@ int cam_cdm_util_cmd_buf_write(void __iomem **current_device_base,
 	uint32_t base_array_size, uint8_t bl_tag)
 {
 	int ret = 0;
-	uint32_t cdm_cmd_type = 0, total_cmd_buf_size = 0;
+	uint32_t cdm_cmd_type = 0;
 	uint32_t used_bytes = 0;
 
-	total_cmd_buf_size = cmd_buf_size;
-
 	while (cmd_buf_size > 0) {
 		CAM_DBG(CAM_CDM, "cmd data=%x", *cmd_buf);
 		cdm_cmd_type = (*cmd_buf >> CAM_CDM_COMMAND_OFFSET);
@@ -847,8 +845,8 @@ static long cam_cdm_util_dump_change_base_cmd(uint32_t *cmd_buf_addr,
 	temp_ptr += CDMCmdHeaderSizes[CAM_CDM_CMD_CHANGE_BASE];
 	ret += CDMCmdHeaderSizes[CAM_CDM_CMD_CHANGE_BASE];
 
-	CAM_INFO(CAM_CDM, "CHANGE_BASE: 0x%X",
+	CAM_INFO(CAM_CDM, "CHANGE_BASE: 0x%X, curr cmd addr: %pK",
-		p_cbase_cmd->base);
+		p_cbase_cmd->base, temp_ptr);
 
 	return ret;
 }