diff --git a/umac/dfs/core/src/dfs.h b/umac/dfs/core/src/dfs.h
index ffeb0d4601..2ebc3508f1 100644
--- a/umac/dfs/core/src/dfs.h
+++ b/umac/dfs/core/src/dfs.h
@@ -1343,7 +1343,7 @@ struct wlan_dfs_priv {
  * @pdev: pointer to PDEV object information
  * @dfs_is_phyerr_filter_offload: For some chip like Rome indicates too many
  *                                phyerr packets in a short time, which causes
- *                                OS hang. If this feild is configured as true,
+ *                                OS hang. If this field is configured as true,
  *                                FW will do the pre-check, filter out some
  *                                kinds of invalid phyerrors and indicate
  *                                radar detection related information to host.
@@ -1714,7 +1714,7 @@ int dfs_bin5_addpulse(struct wlan_dfs *dfs,
  * dfs_bin5_check() - BIN5 check.
  * @dfs: Pointer to wlan_dfs structure.
  *
- * If the dfs structure is NULL (which should be illegal if everyting is working
+ * If the dfs structure is NULL (which should be illegal if everything is working
  * properly, then signify that a bin5 radar was found.
  */
 int dfs_bin5_check(struct wlan_dfs *dfs);
@@ -2959,7 +2959,7 @@ void dfs_start_mode_switch_defer_timer(struct wlan_dfs *dfs);
 
 /**
  * dfs_complete_deferred_tasks() - Process mode switch completion event and
- * handle deffered tasks.
+ * handle deferred tasks.
  * @dfs: Pointer to wlan_dfs object.
  *
  * Return: void.
diff --git a/umac/dfs/core/src/dfs_confirm_radar.h b/umac/dfs/core/src/dfs_confirm_radar.h
index 363fe0054c..220eada861 100644
--- a/umac/dfs/core/src/dfs_confirm_radar.h
+++ b/umac/dfs/core/src/dfs_confirm_radar.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -25,7 +26,7 @@
 #include "dfs_internal.h"
 
 #define DFS_INVALID_PRI_LIMIT 100  /* should we use 135? */
-/* The time interval between two sucessive pulses
+/* The time interval between two successive pulses
  * in case of w53 chirp type can be as low as 50us.
  * Experimentally the PRI limit was found to be as
  * low as 15us.
@@ -51,7 +52,7 @@ bool dfs_is_real_radar(struct wlan_dfs *dfs,
 /**
  * dfs_get_ext_filter() - This function gets the external radar filter table.
  * @domain: The dfs domain for which the external radar table is needed.
- * @num_radars: Output agrument. Stores the numbers of filters in the filter.
+ * @num_radars: Output argument. Stores the numbers of filters in the filter.
  * table.
  *
  * Return: Pointer to the radar table.
diff --git a/umac/dfs/core/src/dfs_phyerr_tlv.h b/umac/dfs/core/src/dfs_phyerr_tlv.h
index 0fad819bde..2e543f6ab2 100644
--- a/umac/dfs/core/src/dfs_phyerr_tlv.h
+++ b/umac/dfs/core/src/dfs_phyerr_tlv.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2012, 2016-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -46,7 +47,7 @@
 
 /*
  * Radar pulse summary
- * + TYPE=0xF8 (Radar pulse summary reprot)
+ * + TYPE=0xF8 (Radar pulse summary report)
  * + SIG=0xBB (baseband PHY generated TLV components)
  */
 
diff --git a/umac/dfs/core/src/filtering/dfs_bindetects.c b/umac/dfs/core/src/filtering/dfs_bindetects.c
index 81db766c57..2d7f91c501 100644
--- a/umac/dfs/core/src/filtering/dfs_bindetects.c
+++ b/umac/dfs/core/src/filtering/dfs_bindetects.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2002-2010, Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -833,7 +834,7 @@ static inline void dfs_check_pulses_for_delta_variance(
 }
 
 /**
- * dfs_count_the_other_delay_elements() - Counts the ther delay elements.
+ * dfs_count_the_other_delay_elements() - Counts the other delay elements.
  * @dfs: Pointer to wlan_dfs structure.
  * @rf: Pointer to dfs_filter structure.
  * @dl: Pointer to dfs_delayline structure.
@@ -1022,8 +1023,8 @@ int dfs_bin_pri_check(
 	 * once per filter during initialization stage (dfs_attach)
 	 * and stored in its array atleast for fixed frequency
 	 * types like FCC Bin1 to save some CPU cycles.
-	 * multiplication, devide operators in the following code
-	 * are left as it is for readability hoping the complier
+	 * multiplication, divide operators in the following code
+	 * are left as it is for readability hoping the compiler
 	 * will use left/right shifts wherever possible.
 	 */
 	dfs_debug(dfs, WLAN_DEBUG_DFS2,
diff --git a/umac/dfs/core/src/filtering/dfs_fcc_bin5.c b/umac/dfs/core/src/filtering/dfs_fcc_bin5.c
index b6d1ffa7fa..a697bd4932 100644
--- a/umac/dfs/core/src/filtering/dfs_fcc_bin5.c
+++ b/umac/dfs/core/src/filtering/dfs_fcc_bin5.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2013, 2016-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2002-2010, Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -211,7 +212,7 @@ void bin5_rules_check_internal(struct wlan_dfs *dfs,
 		(uint64_t)br->br_elems[prev].be_ts);
 
 	if (((pri >= DFS_BIN5_PRI_LOWER_LIMIT) &&
-		    /*pri: pulse repitition interval in us. */
+		    /*pri: pulse repetition interval in us. */
 		    (pri <= DFS_BIN5_PRI_HIGHER_LIMIT))) {
 		/*
 		 * Rule 2: pulse width of the pulses in the
diff --git a/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c b/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c
index 27f1c0b845..9dceda5443 100644
--- a/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c
+++ b/umac/dfs/core/src/filtering/dfs_partial_offload_radar.c
@@ -701,7 +701,7 @@ void dfs_get_po_radars(struct wlan_dfs *dfs)
 			tgt_tx_ops->tgt_is_tgt_type_qca9984(target_type) ||
 			tgt_tx_ops->tgt_is_tgt_type_qca9888(target_type)) {
 		/* Beeliner WAR: lower RSSI threshold to improve detection of
-		 * certian radar types
+		 * certain radar types
 		 */
 		/* Cascade WAR:
 		 * Cascade can report lower RSSI near the channel boundary then
@@ -817,7 +817,7 @@ void dfs_extract_radar_found_params(struct wlan_dfs *dfs,
 
 	/* Bangradar will not populate any of these average
 	 * parameters as pulse is not received. If these variables
-	 * are not resetted here, these go as radar_found params
+	 * are not reset here, these go as radar_found params
 	 * for bangradar if bangradar is issued after real radar.
 	 */
 	dfs->dfs_average_sidx = 0;
diff --git a/umac/dfs/core/src/filtering/dfs_phyerr_tlv.c b/umac/dfs/core/src/filtering/dfs_phyerr_tlv.c
index 5223c15cfd..8bbf40be3a 100644
--- a/umac/dfs/core/src/filtering/dfs_phyerr_tlv.c
+++ b/umac/dfs/core/src/filtering/dfs_phyerr_tlv.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2012, 2016-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -388,7 +389,7 @@ static int dfs_tlv_parse_frame(struct wlan_dfs *dfs,
 			 * we examine search FFT report and make the following
 			 * assumption as per algorithms group's input:
 			 * (1) There may be multiple TLV
-			 * (2) We make false detection decison solely based on
+			 * (2) We make false detection decision solely based on
 			 * the first TLV
 			 * (3) If the first TLV is a serch FFT report then we
 			 * check the peak_mag value.
diff --git a/umac/dfs/core/src/filtering/dfs_process_radarevent.c b/umac/dfs/core/src/filtering/dfs_process_radarevent.c
index f87e33fe93..5ecdc4c879 100644
--- a/umac/dfs/core/src/filtering/dfs_process_radarevent.c
+++ b/umac/dfs/core/src/filtering/dfs_process_radarevent.c
@@ -611,7 +611,7 @@ static inline void dfs_radarfound_reset_vars(
 
 	/*
 	 * TODO: Instead of discarding the radar, create a workqueue
-	 * if the channel change is happenning through userspace and
+	 * if the channel change is happening through userspace and
 	 * process the radar event once the channel change is completed.
 	 */
 
@@ -1121,7 +1121,7 @@ static inline void  dfs_calculate_timestamps(
 		 * entirely on the latency. If the latency is high, it
 		 * possibly can split two consecutive pulses in the
 		 * same burst so far away (the same amount of latency)
-		 * that make them look like they are from differenct
+		 * that make them look like they are from different
 		 * bursts. It is observed to happen too often. It sure
 		 * makes the detection fail.
 		 * 2)Even if the latency is not that bad, it simply
diff --git a/umac/dfs/core/src/misc/dfs_cac.c b/umac/dfs/core/src/misc/dfs_cac.c
index 2315695c97..08b0fd9929 100644
--- a/umac/dfs/core/src/misc/dfs_cac.c
+++ b/umac/dfs/core/src/misc/dfs_cac.c
@@ -468,7 +468,7 @@ bool dfs_is_cac_required(struct wlan_dfs *dfs,
 	/* If the channel has completed PRE-CAC then CAC can be skipped here. */
 	if (dfs_is_precac_done(dfs, cur_chan)) {
 		dfs_debug(dfs, WLAN_DEBUG_DFS,
-			  "PRE-CAC alreay done on this channel %d",
+			  "PRE-CAC already done on this channel %d",
 			  cur_chan->dfs_ch_ieee);
 		return false;
 	}
@@ -511,7 +511,7 @@ bool dfs_is_cac_required(struct wlan_dfs *dfs,
 		 * (as 52 and 64 HT80 are subsets of each other)
 		 * is not expected to be preserved as VAP has come up
 		 * from DOWN state. Hence do not skip CAC on 64 HT80.
-		 * is_vap_restart flag is used as an identifer to indicate if
+		 * is_vap_restart flag is used as an identifier to indicate if
 		 * vap has come up from a DOWN state or UP state (vap restart).
 		 */
 		if (!is_vap_restart) {
diff --git a/umac/dfs/core/src/misc/dfs_filter_init.c b/umac/dfs/core/src/misc/dfs_filter_init.c
index 38b4ce4c28..9f6856fe41 100644
--- a/umac/dfs/core/src/misc/dfs_filter_init.c
+++ b/umac/dfs/core/src/misc/dfs_filter_init.c
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2002-2006, Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -292,7 +293,7 @@ int dfs_main_attach(struct wlan_dfs *dfs)
 	 * is available.
 	 */
 	if (dfs_init_radar_filters(dfs, &radar_info)) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "Radar Filter Intialization Failed");
+		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "Radar Filter Initialization Failed");
 		return 1;
 	}
 
diff --git a/umac/dfs/core/src/misc/dfs_random_chan_sel.c b/umac/dfs/core/src/misc/dfs_random_chan_sel.c
index 987c970ab0..8e1413e67c 100644
--- a/umac/dfs/core/src/misc/dfs_random_chan_sel.c
+++ b/umac/dfs/core/src/misc/dfs_random_chan_sel.c
@@ -29,7 +29,7 @@
  * TODO: At present SAP Channel leakage matrix for ch 144
  * is not available from system's team. So to play it safe
  * and avoid crash if channel 144 is request, in following
- * matix channel 144 is added such that it will cause code
+ * matrix channel 144 is added such that it will cause code
  * to avoid selecting channel 144.
  *
  * THESE ENTRIES SHOULD BE REPLACED WITH CORRECT VALUES AS
diff --git a/umac/dfs/dispatcher/inc/wlan_dfs_ioctl.h b/umac/dfs/dispatcher/inc/wlan_dfs_ioctl.h
index 4cce96483b..400968e6fe 100644
--- a/umac/dfs/dispatcher/inc/wlan_dfs_ioctl.h
+++ b/umac/dfs/dispatcher/inc/wlan_dfs_ioctl.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2011, 2016-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2010, Atheros Communications Inc.
  * All Rights Reserved.
  *
@@ -204,7 +205,7 @@ struct dfs_bangradar_params {
 /* Flag to enable Reduced BW Agile DFS */
 #define DFS_RANDOM_CH_FLAG_ENABLE_REDUCED_BW    0x0080 /* 0000 0000 1000 0000 */
 
-/* Flag to exclude Japan W53 channnels */
+/* Flag to exclude Japan W53 channels */
 #define DFS_RANDOM_CH_FLAG_NO_JAPAN_W53_CH      0x0100 /* 0000 0001 0000 0000 */
 
 /* Restricted 80P80 MHz is enabled */
diff --git a/umac/dfs/dispatcher/src/wlan_dfs_tgt_api.c b/umac/dfs/dispatcher/src/wlan_dfs_tgt_api.c
index e1e2af59b6..fc8622bd98 100644
--- a/umac/dfs/dispatcher/src/wlan_dfs_tgt_api.c
+++ b/umac/dfs/dispatcher/src/wlan_dfs_tgt_api.c
@@ -218,7 +218,7 @@ QDF_STATUS tgt_dfs_process_phyerr(struct wlan_objmgr_pdev *pdev,
 				   r_ext_rssi, r_rs_tstamp, r_fulltsf);
 	else
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			 "Unexpect phyerror as DFS is offloaded, pdev_id: %d",
+			 "Unexpected phyerror as DFS is offloaded, pdev_id: %d",
 			 wlan_objmgr_pdev_get_pdev_id(pdev));
 
 	return QDF_STATUS_SUCCESS;
@@ -242,7 +242,7 @@ QDF_STATUS tgt_dfs_process_phyerr_filter_offload(struct wlan_objmgr_pdev *pdev,
 		dfs_process_phyerr_filter_offload(dfs, wlan_radar_event);
 	else
 		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			 "Unexpect phyerror as DFS is offloaded, pdev_id: %d",
+			 "Unexpected phyerror as DFS is offloaded, pdev_id: %d",
 			 wlan_objmgr_pdev_get_pdev_id(pdev));
 
 	return QDF_STATUS_SUCCESS;
diff --git a/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c b/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c
index f0ecac5939..05f75dbcb0 100644
--- a/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c
+++ b/umac/dfs/dispatcher/src/wlan_dfs_utils_api.c
@@ -1547,7 +1547,7 @@ QDF_STATUS utils_dfs_get_chan_dfs_state(struct wlan_objmgr_pdev *pdev,
 qdf_export_symbol(utils_dfs_get_chan_dfs_state);
 
 /**
- * convert_event_to_state() - Coverts the dfs events WLAN_DFS_EVENTS to dfs
+ * convert_event_to_state() - Converts the dfs events WLAN_DFS_EVENTS to dfs
  * states channel_dfs_state.
  * @event: Input DFS event.
  * @state: Output DFS state.