Merge "qca-wifi: Remove references to CHAN_NUM_API"
diff --git a/umac/dfs/core/src/misc/dfs_zero_cac.c b/umac/dfs/core/src/misc/dfs_zero_cac.c
index 6477e47..f15073a 100644
--- a/umac/dfs/core/src/misc/dfs_zero_cac.c
+++ b/umac/dfs/core/src/misc/dfs_zero_cac.c
@@ -261,34 +261,17 @@
 /* Given a bandwidth, find the number of subchannels in that bandwidth */
 #define N_SUBCHS_FOR_BANDWIDTH(_bw) ((_bw) / MIN_DFS_SUBCHAN_BW)
 
-#ifdef CONFIG_CHAN_FREQ_API
 #define DFS_160MHZ_SECSEG_CHAN_OFFSET 40
-#else
-#ifdef CONFIG_CHAN_NUM_API
-#define DFS_160MHZ_SECSEG_CHAN_OFFSET 8
-#endif
-#endif
 
  /*dfs_zero_cac_reset() - Reset zero cac variables.
   *@dfs: Pointer to wlan_dfs
   */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_zero_cac_reset(struct wlan_dfs *dfs)
 {
 	dfs->dfs_precac_timeout_override = -1;
 	dfs->dfs_precac_primary_freq_mhz = 0;
 	dfs->dfs_precac_secondary_freq_mhz = 0;
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_zero_cac_reset(struct wlan_dfs *dfs)
-{
-	dfs->dfs_precac_timeout_override = -1;
-	dfs->dfs_precac_primary_freq = 0;
-	dfs->dfs_precac_secondary_freq = 0;
-}
-#endif
-#endif
 
 void dfs_zero_cac_timer_detach(struct dfs_soc_priv_obj *dfs_soc_obj)
 {
@@ -330,30 +313,6 @@
 }
 #endif
 
-/* dfs_descend_precac_tree() - Descend into the precac BSTree based on the
- *                             channel provided. If the channel is less than
- *                             given node's channel, descend left, else right.
- * @node:    Precac BSTree node.
- * @channel: Channel whose node is to be found.
- *
- * Return: the next precac_tree_node (left child or right child of
- * current node).
- */
-#ifdef CONFIG_CHAN_NUM_API
-static struct precac_tree_node *
-dfs_descend_precac_tree(struct precac_tree_node *node,
-			uint8_t channel)
-{
-	if (!node)
-		return NULL;
-
-	if (channel < node->ch_ieee)
-		return node->left_child;
-	else
-		return node->right_child;
-}
-#endif
-
 /* dfs_descend_precac_tree_for_freq() - Descend into the precac BSTree based on
  *                             the channel provided. If the channel is less than
  *                             given node's channel, descend left, else right.
@@ -364,7 +323,6 @@
  * current node).
  */
 
-#ifdef CONFIG_CHAN_FREQ_API
 static struct precac_tree_node *
 dfs_descend_precac_tree_for_freq(struct precac_tree_node *node,
 				 uint16_t chan_freq)
@@ -377,42 +335,6 @@
 	else
 		return node->right_child;
 }
-#endif
-
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_find_chwidth_and_center_chan(struct wlan_dfs *dfs,
-				      enum phy_ch_width *chwidth,
-				      uint8_t *primary_chan_ieee,
-				      uint8_t *secondary_chan_ieee)
-{
-	struct dfs_channel *curchan = dfs->dfs_curchan;
-
-	if (!curchan) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "curchan is NULL");
-		return;
-	}
-
-	if (primary_chan_ieee)
-		*primary_chan_ieee = curchan->dfs_ch_vhtop_ch_freq_seg1;
-	if (WLAN_IS_CHAN_MODE_20(curchan)) {
-		*chwidth = CH_WIDTH_20MHZ;
-	} else if (WLAN_IS_CHAN_MODE_40(curchan)) {
-		*chwidth = CH_WIDTH_40MHZ;
-	} else if (WLAN_IS_CHAN_MODE_80(curchan)) {
-		*chwidth = CH_WIDTH_80MHZ;
-	} else if (WLAN_IS_CHAN_MODE_80_80(curchan)) {
-		*chwidth = CH_WIDTH_80P80MHZ;
-		if (secondary_chan_ieee)
-			*secondary_chan_ieee =
-				curchan->dfs_ch_vhtop_ch_freq_seg2;
-	} else if (WLAN_IS_CHAN_MODE_160(curchan)) {
-		*chwidth = CH_WIDTH_160MHZ;
-		if (primary_chan_ieee)
-			*primary_chan_ieee =
-				curchan->dfs_ch_vhtop_ch_freq_seg2;
-	}
-}
-#endif
 
 /* dfs_find_curchwidth_and_center_chan_for_freq() - Find channel width and
  *                                                  center channelfrequency.
@@ -421,7 +343,6 @@
  * @primary_chan_freq: Pointer to primary channel.
  * @secondary_chan_freq: Pointer to secondary channel.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void
 dfs_find_curchwidth_and_center_chan_for_freq(struct wlan_dfs *dfs,
 					     enum phy_ch_width *chwidth,
@@ -455,44 +376,6 @@
 				curchan->dfs_ch_mhz_freq_seg2;
 	}
 }
-#endif
-
-/* dfs_find_cac_status_for_chan() - Find CAC-done status for the channel in the
- *                                  precac Binary Search Tree (BSTree).
- *				    Return true if CAC done, else false.
- * @dfs_precac_entry: Precac entry which has the root of the precac BSTree.
- * @chan_ieee:        IEEE channel. This ieee channel is the center of a
- *                    20/40/80 MHz channel and the center channel is unique
- *                    irrespective of the bandwidth(20/40/80 MHz).
- *
- * Note: For each tree node of a level, the number of CACed subchannels is
- * the total number of leaf nodes of the sub tree for the node, which are
- * CACed.
- * That is, at a level (1..n, n being the depth of the BSTree), the maximum
- * number of CACed subchannels is: Number of subchannels of root / level.
- * Num_subchannels = Num_subchannels_of_root_level / level.
- *
- * Return: true if CAC done on channel, else false.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static bool dfs_find_cac_status_for_chan(struct dfs_precac_entry *precac_entry,
-					 uint8_t chan_ieee)
-{
-	struct precac_tree_node *node = precac_entry->tree_root;
-	uint8_t n_cur_lvl_subchs = N_SUBCHANS_FOR_80BW;
-
-	while (node) {
-		if (node->ch_ieee == chan_ieee)
-			return (node->n_caced_subchs == n_cur_lvl_subchs) ?
-				true : false;
-
-		n_cur_lvl_subchs /= 2;
-		node = dfs_descend_precac_tree(node, chan_ieee);
-	}
-
-	return false;
-}
-#endif
 
 /* dfs_find_cac_status_for_chan_for_freq() - Find CAC-done status for the
  *                                  channel in the precac Binary Search Tree.
@@ -503,7 +386,6 @@
  *                    unique irrespective of the bandwidth
  *                    (20/40/80/160/165 MHz).
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static bool
 dfs_find_cac_status_for_chan_for_freq(struct dfs_precac_entry *precac_entry,
 				      uint16_t chan_freq)
@@ -522,12 +404,7 @@
 
 	return false;
 }
-#endif
-#ifdef CONFIG_CHAN_NUM_API
-#define VHT80_OFFSET 6
-#endif
 
-#ifdef CONFIG_CHAN_FREQ_API
 #define VHT80_FREQ_OFFSET 30
 /* For any 160MHz channel, a frequency offset of 70MHz would have been enough
  * to include the right edge and left edge channels. But, the restricted 80P80
@@ -535,7 +412,6 @@
  * so an offset of 75MHz is chosen.
  */
 #define VHT160_FREQ_OFFSET 75
-#endif
 
 #define IS_WITHIN_RANGE(_A, _B, _C)  \
 	(((_A) >= ((_B)-(_C))) && ((_A) <= ((_B)+(_C))))
@@ -543,46 +419,12 @@
 #define IS_WITHIN_RANGE_STRICT(_A, _B, _C)  \
 	(((_A) > ((_B)-(_C))) && ((_A) < ((_B)+(_C))))
 
-#ifdef CONFIG_CHAN_NUM_API
-bool dfs_is_precac_done_on_ht20_40_80_chan(struct wlan_dfs *dfs,
-					   uint8_t chan)
-{
-	struct dfs_precac_entry *precac_entry;
-	bool ret_val = 0;
-
-	/*
-	 * A is within B-C and B+C
-	 * (B-C) <= A <= (B+C)
-	 */
-	PRECAC_LIST_LOCK(dfs);
-	if (!TAILQ_EMPTY(&dfs->dfs_precac_list))
-		TAILQ_FOREACH(precac_entry,
-				&dfs->dfs_precac_list,
-				pe_list) {
-			/* Find if the VHT80 ieee_chan is in this precac_list */
-			if (IS_WITHIN_RANGE(chan, precac_entry->vht80_ch_ieee,
-					    VHT80_OFFSET)) {
-				ret_val = dfs_find_cac_status_for_chan(
-						precac_entry, chan);
-				break;
-			}
-		}
-	PRECAC_LIST_UNLOCK(dfs);
-
-	dfs_debug(dfs, WLAN_DEBUG_DFS, "ch_ieee = %u cac_done = %d",
-		  chan, ret_val);
-
-	return ret_val;
-}
-#endif
-
 /*
  * dfs_is_precac_done_on_ht20_40_80_chan_for_freq() - Find if preCAC is done
  * for the given frequency.
  * @dfs: Pointer to wlan_dfs.
  * @chan_freq: Channel frequency in MHZ.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 bool
 dfs_is_precac_done_on_ht20_40_80_160_165_chan_for_freq(struct wlan_dfs *dfs,
 						       uint16_t chan_freq)
@@ -617,7 +459,6 @@
 
 	return ret_val;
 }
-#endif
 
 /*
  * dfs_is_precac_done_on_ht8080_chan - Find if preCAC is done
@@ -625,7 +466,6 @@
  * @dfs: Pointer to wlan_dfs.
  * @chan: Pointer to dfs_channel.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 bool dfs_is_precac_done_on_ht8080_chan(struct wlan_dfs *dfs,
 				       struct dfs_channel *chan)
 {
@@ -663,56 +503,12 @@
 
 	return ret_val;
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-bool dfs_is_precac_done_on_ht8080_ht160_chan(struct wlan_dfs *dfs,
-					     struct dfs_channel *chan)
-{
-	bool ret_val = 0, primary_found = 0;
-	u_int8_t pri_chan, sec_chan = 0;
-
-	pri_chan = chan->dfs_ch_vhtop_ch_freq_seg1;
-	if (WLAN_IS_CHAN_MODE_160(chan)) {
-		if (chan->dfs_ch_ieee < chan->dfs_ch_vhtop_ch_freq_seg2)
-			sec_chan = chan->dfs_ch_vhtop_ch_freq_seg1 +
-				   VHT160_IEEE_FREQ_DIFF;
-		else
-			sec_chan = chan->dfs_ch_vhtop_ch_freq_seg1 -
-				   VHT160_IEEE_FREQ_DIFF;
-	} else
-		sec_chan = chan->dfs_ch_vhtop_ch_freq_seg2;
-
-	/* Check if primary is DFS then search */
-	if (WLAN_IS_CHAN_DFS(chan))
-		primary_found = dfs_is_precac_done_on_ht20_40_80_chan(dfs,
-								      pri_chan);
-	else
-		primary_found = 1;
-
-	/* Check if secondary DFS then search */
-	if (WLAN_IS_CHAN_DFS_CFREQ2(chan) && primary_found) {
-		ret_val = dfs_is_precac_done_on_ht20_40_80_chan(dfs, sec_chan);
-	} else {
-		if (primary_found)
-			ret_val = 1;
-	}
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		"seg1_ieee = %u seg2_ieee = %u ret_val = %d",
-		pri_chan,
-		sec_chan,
-		ret_val);
-
-	return ret_val;
-}
-#endif
-#endif
 
 /*
  * dfs_is_precac_done() - Verify if preCAC is done.
  * @dfs: Pointer to wlan_dfs.
  * @chan: Pointer to dfs_channel.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 bool dfs_is_precac_done(struct wlan_dfs *dfs, struct dfs_channel *chan)
 {
 	bool ret_val = 0;
@@ -744,28 +540,6 @@
 	dfs_debug(dfs, WLAN_DEBUG_DFS, "precac_done_status = %d", ret_val);
 	return ret_val;
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-bool dfs_is_precac_done(struct wlan_dfs *dfs, struct dfs_channel *chan)
-{
-	bool ret_val = 0;
-	uint8_t pri_chan = chan->dfs_ch_vhtop_ch_freq_seg1;
-
-	if (WLAN_IS_CHAN_MODE_20(chan) ||
-	    WLAN_IS_CHAN_MODE_40(chan) ||
-	    WLAN_IS_CHAN_MODE_80(chan)) {
-		ret_val = dfs_is_precac_done_on_ht20_40_80_chan(dfs,
-								pri_chan);
-	} else if (WLAN_IS_CHAN_MODE_80_80(chan) ||
-		   WLAN_IS_CHAN_MODE_160(chan)) {
-		ret_val = dfs_is_precac_done_on_ht8080_ht160_chan(dfs, chan);
-	}
-
-	dfs_debug(dfs, WLAN_DEBUG_DFS, "precac_done_status = %d", ret_val);
-	return ret_val;
-}
-#endif
-#endif
 
 #ifdef QCA_SUPPORT_AGILE_DFS
 void dfs_find_pdev_for_agile_precac(struct wlan_objmgr_pdev *pdev,
@@ -809,7 +583,6 @@
  * dfs_prepare_agile_precac_chan() - Prepare an agile channel for preCAC.
  * @dfs: Pointer to wlan_dfs.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_prepare_agile_precac_chan(struct wlan_dfs *dfs)
 {
 	struct wlan_objmgr_psoc *psoc;
@@ -883,107 +656,6 @@
 		qdf_info("No channels in preCAC required list");
 	}
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_prepare_agile_precac_chan(struct wlan_dfs *dfs)
-{
-	struct wlan_objmgr_psoc *psoc;
-	struct wlan_objmgr_pdev *pdev;
-	struct wlan_dfs *temp_dfs;
-	struct dfs_soc_priv_obj *dfs_soc_obj;
-	struct wlan_lmac_if_dfs_tx_ops *dfs_tx_ops;
-	uint8_t ch_freq = 0;
-	uint8_t cur_dfs_idx = 0;
-	uint8_t vhtop_ch_freq_seg1, vhtop_ch_freq_seg2;
-	int i;
-	struct dfs_agile_cac_params adfs_param;
-
-	psoc = wlan_pdev_get_psoc(dfs->dfs_pdev_obj);
-	dfs_soc_obj = dfs->dfs_soc_obj;
-
-	dfs_tx_ops = wlan_psoc_get_dfs_txops(psoc);
-
-	pdev = dfs->dfs_pdev_obj;
-
-	for (i = 0; i < dfs_soc_obj->num_dfs_privs; i++) {
-		dfs_find_pdev_for_agile_precac(pdev, &cur_dfs_idx);
-		dfs_soc_obj->cur_precac_dfs_index = cur_dfs_idx;
-		temp_dfs = dfs_soc_obj->dfs_priv[cur_dfs_idx].dfs;
-		pdev = temp_dfs->dfs_pdev_obj;
-		if (!dfs_soc_obj->dfs_priv[cur_dfs_idx].agile_precac_active)
-			continue;
-
-		vhtop_ch_freq_seg1 =
-			temp_dfs->dfs_curchan->dfs_ch_vhtop_ch_freq_seg1;
-		vhtop_ch_freq_seg2 =
-			temp_dfs->dfs_curchan->dfs_ch_vhtop_ch_freq_seg2;
-		if (WLAN_IS_CHAN_MODE_160(temp_dfs->dfs_curchan)) {
-			if (vhtop_ch_freq_seg2 < vhtop_ch_freq_seg1)
-				vhtop_ch_freq_seg2 -=
-					DFS_160MHZ_SECSEG_CHAN_OFFSET;
-			else
-				vhtop_ch_freq_seg2 +=
-					DFS_160MHZ_SECSEG_CHAN_OFFSET;
-		}
-		dfs_get_ieeechan_for_agilecac(temp_dfs,
-					      &ch_freq,
-					      vhtop_ch_freq_seg1,
-					      vhtop_ch_freq_seg2);
-
-		if (!ch_freq) {
-			qdf_info(" %s : %d No preCAC required channels left in current pdev: %pK",
-				 __func__, __LINE__, pdev);
-			continue;
-		} else {
-			break;
-		}
-	}
-
-	if (ch_freq) {
-		adfs_param.precac_chan = ch_freq;
-		adfs_param.precac_chwidth = temp_dfs->dfs_precac_chwidth;
-		dfs_start_agile_precac_timer(temp_dfs,
-					     dfs->dfs_soc_obj->ocac_status,
-					     &adfs_param);
-		qdf_info("%s : %d ADFS channel set request sent for pdev: %pK ch_freq: %d",
-			 __func__, __LINE__, pdev, ch_freq);
-		if (dfs_tx_ops && dfs_tx_ops->dfs_agile_ch_cfg_cmd)
-			dfs_tx_ops->dfs_agile_ch_cfg_cmd(pdev, &adfs_param);
-		else
-			dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS,
-				"dfs_tx_ops=%pK", dfs_tx_ops);
-	} else {
-		dfs->dfs_soc_obj->precac_state_started = false;
-		qdf_info("No channels in preCAC required list");
-	}
-}
-#endif
-#endif
-#endif
-
-/* dfs_is_tree_node_marked_as_cac() - Check if preCAC BSTree node is
- * marked as CAC.
- * @root: Pointer to root node of the preCAC BSTree.
- * @channel: 20MHz channel to be checked if marked as CAC done already.
- *
- * Return: True if already marked, else false.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static bool
-dfs_is_tree_node_marked_as_cac(struct precac_tree_node *root,
-				  uint8_t channel)
-{
-	struct precac_tree_node *curr_node = root;
-
-	while (curr_node) {
-		if (!curr_node->n_caced_subchs)
-			return false;
-		if (curr_node->ch_ieee == channel)
-			return curr_node->n_caced_subchs;
-		curr_node = dfs_descend_precac_tree(curr_node, channel);
-	}
-	return false;
-}
 #endif
 
 /* dfs_is_tree_node_marked_as_cac_for_freq() - Check if preCAC BSTree node is
@@ -993,7 +665,6 @@
  *
  * Return: True if already marked, else false.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static bool
 dfs_is_tree_node_marked_as_cac_for_freq(struct precac_tree_node *root,
 					uint16_t freq)
@@ -1010,51 +681,6 @@
 	}
 	return false;
 }
-#endif
-
-/* dfs_mark_tree_node_as_cac_done() - Mark the preCAC BSTree node as CAC done.
- * @dfs:          Pointer to WLAN DFS structure.
- * @precac_entry: Precac_list entry pointer.
- * @channel:      IEEE channel to be marked.
- *
- * Note: The input channel is always of 20MHz bandwidth.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static void
-dfs_mark_tree_node_as_cac_done(struct wlan_dfs *dfs,
-			       struct dfs_precac_entry *precac_entry,
-			       uint8_t channel)
-{
-	struct precac_tree_node *curr_node;
-
-	if (!precac_entry->tree_root) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Precac tree root pointer is NULL!");
-		return;
-	}
-
-	curr_node = precac_entry->tree_root;
-
-	/**
-	 * Check if the channel is already marked and return if true.
-	 * This will happen in scenarios like the following:
-	 * preCAC is running on channel 128 in HT20 mode (note: 124 is already
-	 * marked. Now if the mode is switched to HT40, preCAC is restarted
-	 * and the new channel picked for preCAC is 126 HT40. Here, 124
-	 * will be already marked since it was completed in HT20 mode.
-	 * This may happen for any mode switches (20<->40<->80 MHz).
-	 */
-	if (dfs_is_tree_node_marked_as_cac(curr_node, channel))
-		return;
-
-	while (curr_node) {
-		 if (curr_node->n_caced_subchs <
-		     N_SUBCHS_FOR_BANDWIDTH(curr_node->bandwidth))
-			curr_node->n_caced_subchs++;
-		curr_node = dfs_descend_precac_tree(curr_node, channel);
-	}
-}
-#endif
 
 /* dfs_mark_tree_node_as_cac_done_for_freq() - Mark the preCAC BSTree node as
  * CAC done.
@@ -1064,7 +690,6 @@
  *
  * Note: The input channel is always of 20MHz bandwidth.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static void
 dfs_mark_tree_node_as_cac_done_for_freq(struct wlan_dfs *dfs,
 					struct dfs_precac_entry *precac_entry,
@@ -1102,31 +727,6 @@
 							     chan_freq);
 	}
 }
-#endif
-
-/* dfs_unmark_tree_node_as_cac_done() - Unmark the preCAC BSTree node as CAC
- *                                      done.
- * @precac_entry: Precac_list entry pointer.
- * @channel:      IEEE channel to be marked.
- *
- * Note: The input channel is always of 20MHz bandwidth.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static void
-dfs_unmark_tree_node_as_cac_done(struct dfs_precac_entry *precac_entry,
-				 uint8_t channel)
-{
-	struct precac_tree_node *curr_node = precac_entry->tree_root;
-
-	while (curr_node) {
-		if (curr_node->n_caced_subchs)
-			curr_node->n_caced_subchs--;
-		else
-			return;
-		curr_node = dfs_descend_precac_tree(curr_node, channel);
-	}
-}
-#endif
 
 /* dfs_unmark_tree_node_as_cac_done_for_freq() - Unmark the preCAC BSTree
  *                                       node as CAC done.
@@ -1135,7 +735,6 @@
  *
  * Note: The input channel is always of 20MHz bandwidth.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static void
 dfs_unmark_tree_node_as_cac_done_for_freq(struct dfs_precac_entry
 					  *precac_entry, uint16_t chan_freq)
@@ -1151,88 +750,6 @@
 							     chan_freq);
 	}
 }
-#endif
-
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_mark_precac_done(struct wlan_dfs *dfs,
-			  uint8_t pri_ch_ieee,
-			  uint8_t sec_ch_ieee,
-			  enum phy_ch_width ch_width)
-{
-	struct dfs_precac_entry *precac_entry = NULL, *tmp_precac_entry = NULL;
-	uint8_t channels[NUM_CHANNELS_160MHZ];
-	uint8_t i, nchannels = 0;
-
-	if (!pri_ch_ieee)
-		return;
-	switch (ch_width) {
-	case CH_WIDTH_20MHZ:
-		nchannels = 1;
-		channels[0] = pri_ch_ieee;
-		break;
-	case CH_WIDTH_40MHZ:
-		nchannels = 2;
-		channels[0] = pri_ch_ieee - DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[1] = pri_ch_ieee + DFS_5GHZ_NEXT_CHAN_OFFSET;
-		break;
-	case CH_WIDTH_80MHZ:
-		nchannels = 4;
-		channels[0] = pri_ch_ieee - DFS_5GHZ_2ND_CHAN_OFFSET;
-		channels[1] = pri_ch_ieee - DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[2] = pri_ch_ieee + DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[3] = pri_ch_ieee + DFS_5GHZ_2ND_CHAN_OFFSET;
-		break;
-	case CH_WIDTH_80P80MHZ:
-		nchannels = 8;
-		channels[0] = pri_ch_ieee - DFS_5GHZ_2ND_CHAN_OFFSET;
-		channels[1] = pri_ch_ieee - DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[2] = pri_ch_ieee + DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[3] = pri_ch_ieee + DFS_5GHZ_2ND_CHAN_OFFSET;
-		/* secondary channels */
-		channels[4] = sec_ch_ieee - DFS_5GHZ_2ND_CHAN_OFFSET;
-		channels[5] = sec_ch_ieee - DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[6] = sec_ch_ieee + DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[7] = sec_ch_ieee + DFS_5GHZ_2ND_CHAN_OFFSET;
-		break;
-	case CH_WIDTH_160MHZ:
-		nchannels = 8;
-		channels[0] = pri_ch_ieee - DFS_5GHZ_4TH_CHAN_OFFSET;
-		channels[1] = pri_ch_ieee - DFS_5GHZ_3RD_CHAN_OFFSET;
-		channels[2] = pri_ch_ieee - DFS_5GHZ_2ND_CHAN_OFFSET;
-		channels[3] = pri_ch_ieee - DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[4] = pri_ch_ieee + DFS_5GHZ_NEXT_CHAN_OFFSET;
-		channels[5] = pri_ch_ieee + DFS_5GHZ_2ND_CHAN_OFFSET;
-		channels[6] = pri_ch_ieee + DFS_5GHZ_3RD_CHAN_OFFSET;
-		channels[7] = pri_ch_ieee + DFS_5GHZ_4TH_CHAN_OFFSET;
-		break;
-	default:
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "invalid channel width");
-		return;
-	}
-
-	PRECAC_LIST_LOCK(dfs);
-	if (TAILQ_EMPTY(&dfs->dfs_precac_list)) {
-		PRECAC_LIST_UNLOCK(dfs);
-		return;
-	}
-	for (i = 0; i < nchannels; i++) {
-		TAILQ_FOREACH_SAFE(precac_entry,
-				   &dfs->dfs_precac_list,
-				   pe_list,
-				   tmp_precac_entry) {
-			if (IS_WITHIN_RANGE(channels[i],
-					    precac_entry->vht80_ch_ieee,
-					    VHT80_OFFSET)) {
-				dfs_mark_tree_node_as_cac_done(dfs,
-							       precac_entry,
-							       channels[i]);
-				break;
-			}
-		}
-	}
-	PRECAC_LIST_UNLOCK(dfs);
-}
-#endif
 
 /**
  * dfs_find_subchannels_for_center_freq() - API to find the subchannels given
@@ -1364,7 +881,6 @@
  * @sec_ch_freq: Secondary 80MHZ center frequency.
  * @ch_width: Channel width.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_mark_precac_done_for_freq(struct wlan_dfs *dfs,
 				   uint16_t pri_ch_freq,
 				   uint16_t sec_ch_freq,
@@ -1405,52 +921,6 @@
 	}
 	PRECAC_LIST_UNLOCK(dfs);
 }
-#endif
-
-/* dfs_mark_tree_node_as_nol() - Mark the preCAC BSTree node as NOL.
- * @dfs:          Pointer to WLAN DFS structure.
- * @precac_entry: Precac_list entry pointer.
- * @channel:      IEEE channel to be marked.
- *
- * Note: The input channel is always of 20MHz bandwidth.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static void
-dfs_mark_tree_node_as_nol(struct wlan_dfs *dfs,
-			  struct dfs_precac_entry *precac_entry,
-			  uint8_t channel)
-{
-	struct precac_tree_node *curr_node;
-
-	if (!precac_entry->tree_root) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Precac tree root pointer is NULL!");
-		return;
-	}
-	curr_node = precac_entry->tree_root;
-	while (curr_node) {
-		if (curr_node->n_nol_subchs <
-		    N_SUBCHS_FOR_BANDWIDTH(curr_node->bandwidth)) {
-			curr_node->n_nol_subchs++;
-		} else {
-			dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-				"Radarfound on an already marked NOL channel!");
-			return;
-		}
-		if (channel == curr_node->ch_ieee) {
-			if (curr_node->n_caced_subchs) {
-				/* remove cac done status for this node
-				 * and it's parents, since this node
-				 * now requires cac (after NOL expiry)
-				 */
-				dfs_unmark_tree_node_as_cac_done(precac_entry,
-								 channel);
-			}
-		}
-		curr_node = dfs_descend_precac_tree(curr_node, channel);
-	}
-}
-#endif
 
 /* dfs_mark_tree_node_as_nol_for_freq() - Mark the preCAC BSTree node as NOL.
  * @dfs:          Pointer to WLAN DFS structure.
@@ -1459,7 +929,6 @@
  *
  * Note: The input channel is always of 20MHz bandwidth.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static void
 dfs_mark_tree_node_as_nol_for_freq(struct wlan_dfs *dfs,
 				   struct dfs_precac_entry *pcac,
@@ -1496,38 +965,6 @@
 							     freq);
 	}
 }
-#endif
-
-/* dfs_unmark_tree_node_as_nol() - Unmark the preCAC BSTree node as NOL.
- * @dfs:          Pointer to WLAN DFS structure.
- * @precac_entry: Precac_list entry pointer.
- * @channel:      IEEE channel to be marked.
- *
- * Note: The input channel is always of 20MHz bandwidth.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static void
-dfs_unmark_tree_node_as_nol(struct wlan_dfs *dfs,
-			    struct dfs_precac_entry *precac_entry,
-			    uint8_t channel)
-{
-	struct precac_tree_node *curr_node;
-
-	if (!precac_entry->tree_root) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Precac tree root pointer is NULL!");
-		return;
-	}
-	curr_node = precac_entry->tree_root;
-	while (curr_node) {
-		if (curr_node->n_nol_subchs)
-			curr_node->n_nol_subchs--;
-		else
-			return;
-		curr_node = dfs_descend_precac_tree(curr_node, channel);
-	}
-}
-#endif
 
 /* dfs_unmark_tree_node_as_nol_for_freq() - Unmark the preCAC BSTree node as
  * NOL.
@@ -1538,7 +975,6 @@
  * Note: The input channel is always of 20MHz bandwidth.
  */
 
-#ifdef CONFIG_CHAN_FREQ_API
 static void
 dfs_unmark_tree_node_as_nol_for_freq(struct wlan_dfs *dfs,
 				     struct dfs_precac_entry *precac_entry,
@@ -1561,76 +997,12 @@
 							     chan_freq);
 	}
 }
-#endif
-
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_unmark_precac_nol(struct wlan_dfs *dfs, uint8_t channel)
-{
-	struct dfs_precac_entry *precac_entry = NULL, *tmp_precac_entry = NULL;
-	uint8_t pri_ch_ieee = 0, chwidth_80 = DFS_CHWIDTH_80_VAL;
-
-	PRECAC_LIST_LOCK(dfs);
-	if (!TAILQ_EMPTY(&dfs->dfs_precac_list)) {
-		TAILQ_FOREACH_SAFE(precac_entry, &dfs->dfs_precac_list,
-				   pe_list, tmp_precac_entry) {
-			if (IS_WITHIN_RANGE(channel,
-					    precac_entry->vht80_ch_ieee,
-					    VHT80_OFFSET)) {
-				dfs_unmark_tree_node_as_nol(dfs, precac_entry,
-							    channel);
-				break;
-			}
-		}
-	}
-	PRECAC_LIST_UNLOCK(dfs);
-
-	/* If preCAC / agile CAC is not running, restart the timer
-	 * to check if the NOL expired channels can be CACed again.
-	 */
-	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
-		 "NOL expired for channel %u, trying to start preCAC",
-		 channel);
-	if (!dfs->dfs_soc_obj->dfs_precac_timer_running) {
-		if (dfs_is_legacy_precac_enabled(dfs)) {
-			if (dfs_is_ap_cac_timer_running(dfs)) {
-				dfs->dfs_defer_precac_channel_change = 1;
-				dfs_debug(dfs, WLAN_DEBUG_DFS,
-					  "Primary CAC is running, deferred"
-					  );
-			} else if (WLAN_IS_CHAN_11AC_VHT80(dfs->dfs_curchan)) {
-				pri_ch_ieee = dfs->dfs_curchan->
-						dfs_ch_vhtop_ch_freq_seg1;
-
-				/* Check if there is a new channel to preCAC
-				 * and only then do vdev restart.
-				 */
-				if (!dfs_get_ieeechan_for_precac(dfs,
-								 pri_ch_ieee,
-								 0,
-								 chwidth_80))
-					return;
-				dfs_mlme_channel_change_by_precac(
-						dfs->dfs_pdev_obj);
-			}
-		} else if (dfs_is_agile_precac_enabled(dfs) &&
-			   !dfs->dfs_soc_obj->precac_state_started) {
-			/* precac_state_started will be set to false if
-			 * agile CAC is not begun for any channels or
-			 * all channels were CACed. If it's not set, defer
-			 * changing the current Agile CAC channel.
-			 */
-			dfs_prepare_agile_precac_chan(dfs);
-		}
-	}
-}
-#endif
 
 /*
  * dfs_unmark_precac_nol_for_freq() - Unmark a channel frequency as NOL.
  * @dfs: Pointer to wlan_dfs.
  * @chan_freq: Channel frequency in MHZ.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_unmark_precac_nol_for_freq(struct wlan_dfs *dfs, uint16_t chan_freq)
 {
 	struct dfs_precac_entry *pcac_entry = NULL,
@@ -1690,134 +1062,6 @@
 		}
 	}
 }
-#endif
-
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_mark_precac_nol(struct wlan_dfs *dfs,
-			 uint8_t is_radar_found_on_secondary_seg,
-			 uint8_t detector_id,
-			 uint8_t *channels,
-			 uint8_t num_channels)
-{
-	struct dfs_precac_entry *precac_entry = NULL, *tmp_precac_entry = NULL;
-	struct wlan_objmgr_psoc *psoc;
-	uint8_t i;
-	struct dfs_soc_priv_obj *dfs_soc_obj;
-	struct wlan_lmac_if_dfs_tx_ops *dfs_tx_ops;
-	struct wlan_objmgr_pdev *pdev;
-
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		  "is_radar_found_on_secondary_seg = %u subchannel_marking = %u detector_id = %u",
-		  is_radar_found_on_secondary_seg,
-		  dfs->dfs_use_nol_subchannel_marking,
-		  detector_id);
-
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		  "agile detector ieee = %u primary_ieee = %u secondary_ieee = %u",
-		  dfs->dfs_agile_precac_freq,
-		  dfs->dfs_precac_secondary_freq,
-		  dfs->dfs_precac_primary_freq);
-
-	/*
-	 * Even if radar found on primary, we need to move
-	 * the channel from precac-required-list and precac-done-list
-	 * to precac-nol-list.
-	 */
-	PRECAC_LIST_LOCK(dfs);
-	if (TAILQ_EMPTY(&dfs->dfs_precac_list)) {
-		PRECAC_LIST_UNLOCK(dfs);
-		return;
-	}
-	for (i = 0; i < num_channels; i++) {
-		TAILQ_FOREACH_SAFE(precac_entry,
-				   &dfs->dfs_precac_list,
-				   pe_list,
-				   tmp_precac_entry) {
-			if (IS_WITHIN_RANGE(channels[i],
-					    precac_entry->vht80_ch_ieee,
-					    VHT80_OFFSET)) {
-				dfs_mark_tree_node_as_nol(dfs,
-							  precac_entry,
-							  channels[i]);
-				break;
-			}
-		}
-	}
-	PRECAC_LIST_UNLOCK(dfs);
-
-	psoc = wlan_pdev_get_psoc(dfs->dfs_pdev_obj);
-	dfs_soc_obj = dfs->dfs_soc_obj;
-
-	dfs_tx_ops = wlan_psoc_get_dfs_txops(psoc);
-	pdev = dfs->dfs_pdev_obj;
-
-	/* PreCAC timer is not running, no need to restart preCAC */
-	if (!dfs_soc_obj->dfs_precac_timer_running)
-		return;
-
-	if (dfs_is_legacy_precac_enabled(dfs)) {
-		qdf_timer_sync_cancel(&dfs_soc_obj->dfs_precac_timer);
-		dfs_soc_obj->dfs_precac_timer_running = 0;
-		/*
-		 * If radar is found on primary channel, no need to
-		 * restart VAP's channels since channel change will happen
-		 * after RANDOM channel selection anyway.
-		 */
-		if (is_radar_found_on_secondary_seg) {
-			/*
-			 * Change the channel
-			 * case 1:-  No  VHT80 channel for precac is available
-			 * so bring it back to VHT80.
-			 * case 2:-  pick a new VHT80 channel for precac.
-			 */
-			if (dfs_is_ap_cac_timer_running(dfs)) {
-				dfs->dfs_defer_precac_channel_change = 1;
-				dfs_debug(dfs, WLAN_DEBUG_DFS,
-					  "Primary CAC is running, defer the channel change"
-					  );
-			} else {
-				dfs_mlme_channel_change_by_precac(
-						dfs->dfs_pdev_obj);
-			}
-		}
-	} else if (dfs_is_agile_precac_enabled(dfs)) {
-		/* If preCAC is not running on the DFS where radar is detected,
-		 * no need to configure agile channel.
-		 * Return from this function.
-		 */
-		if (!(dfs_soc_obj->cur_precac_dfs_index == dfs->dfs_psoc_idx)) {
-			dfs_debug(dfs, WLAN_DEBUG_DFS,
-				  "preCAC not running on radarfound DFS idx=%d",
-				  dfs->dfs_psoc_idx);
-			return;
-		}
-
-		qdf_timer_sync_cancel(&dfs_soc_obj->dfs_precac_timer);
-		dfs_soc_obj->dfs_precac_timer_running = 0;
-
-		/* Since Agile DFS is interrupted due to radar, send
-		 * OCAC abort event to FW for a proper restart of the Agile
-		 * state machine.
-		 */
-		if (dfs_tx_ops && dfs_tx_ops->dfs_ocac_abort_cmd)
-			dfs_tx_ops->dfs_ocac_abort_cmd(pdev);
-		/*
-		 * If radar is found on agile engine, change the channel here
-		 * since primary channel change will not be triggered.
-		 * If radar is found on primary detector, let agile
-		 * channel change be triggered after start response.
-		 * Set precac_state_started to false to indicate preCAC is not
-		 * running and also reset the current Agile channel.
-		 */
-		if (detector_id == dfs_get_agile_detector_id(dfs)) {
-			dfs_prepare_agile_precac_chan(dfs);
-		} else {
-			dfs->dfs_agile_precac_freq = 0;
-			dfs_soc_obj->precac_state_started = PRECAC_NOT_STARTED;
-		}
-	}
-}
-#endif
 
 /*
  * dfs_mark_precac_nol_for_freq() - Mark a channel as preCAC NOL.
@@ -1827,7 +1071,6 @@
  * @freq_list: frequency list.
  * @num_channels: Number of channels.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_mark_precac_nol_for_freq(struct wlan_dfs *dfs,
 				  uint8_t is_radar_found_on_secondary_seg,
 				  uint8_t detector_id,
@@ -1951,7 +1194,6 @@
 		}
 	}
 }
-#endif
 
 #ifdef QCA_SUPPORT_AGILE_DFS
 #ifdef CONFIG_CHAN_FREQ_API
@@ -2016,6 +1258,7 @@
  * 80P80/165MHz. It is zero for other channel widths.
  * @chwidth: Agile channel width for which the completion event is received.
  */
+#ifdef QCA_SUPPORT_AGILE_DFS
 void dfs_process_ocac_complete(struct wlan_objmgr_pdev *pdev,
 			       uint32_t ocac_status,
 			       uint32_t center_freq_mhz1,
@@ -2079,43 +1322,6 @@
 		dfs_debug(NULL, WLAN_DEBUG_DFS_ALWAYS, "Error Unknown");
 	}
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_process_ocac_complete(struct wlan_objmgr_pdev *pdev,
-			       uint32_t ocac_status,
-			       uint32_t center_freq)
-{
-	struct wlan_dfs *dfs = NULL;
-	struct dfs_agile_cac_params adfs_param;
-
-	dfs = wlan_pdev_get_dfs_obj(pdev);
-
-	/* STOP TIMER irrespective of status */
-	utils_dfs_cancel_precac_timer(pdev);
-	if (ocac_status == OCAC_RESET) {
-		dfs_debug(NULL, WLAN_DEBUG_DFS_ALWAYS,
-			  "PreCAC timer reset, Sending Agile chan set command");
-		dfs_prepare_agile_precac_chan(dfs);
-	} else if (ocac_status == OCAC_CANCEL) {
-		dfs_debug(NULL, WLAN_DEBUG_DFS_ALWAYS,
-			  "PreCAC timer abort, agile precac stopped");
-	} else if (ocac_status == OCAC_SUCCESS) {
-		dfs_debug(NULL, WLAN_DEBUG_DFS_ALWAYS,
-			  "PreCAC timer Completed for agile freq: %d",
-			  center_freq);
-		/*
-		 * TRIGGER agile precac timer with 0sec timeout
-		 * with ocac_status 0 for old pdev
-		 */
-		adfs_param.precac_chan = center_freq;
-		adfs_param.precac_chwidth = dfs->dfs_precac_chwidth;
-		dfs_start_agile_precac_timer(dfs,
-					     ocac_status,
-					     &adfs_param);
-	} else {
-		dfs_debug(NULL, WLAN_DEBUG_DFS_ALWAYS, "Error Unknown");
-	}
-}
 #endif
 #endif
 #endif
@@ -2130,7 +1336,6 @@
  * @dfs: Pointer to wlan_dfs.
  * @chan: Pointer to dfs_channel.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 #define VHT80_FREQ_OFFSET 30
 void dfs_find_precac_secondary_vht80_chan(struct wlan_dfs *dfs,
 					  struct dfs_channel *chan)
@@ -2152,36 +1357,12 @@
 					  &chan->dfs_ch_mhz_freq_seg1,
 					  &chan->dfs_ch_mhz_freq_seg2);
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-#define VHT80_IEEE_FREQ_OFFSET 6
-void dfs_find_precac_secondary_vht80_chan(struct wlan_dfs *dfs,
-		struct dfs_channel *chan)
-{
-	uint8_t first_primary_dfs_ch_ieee;
-
-	first_primary_dfs_ch_ieee =
-		dfs->dfs_precac_secondary_freq - VHT80_IEEE_FREQ_OFFSET;
-
-	dfs_mlme_find_dot11_channel(dfs->dfs_pdev_obj,
-			first_primary_dfs_ch_ieee, 0,
-			WLAN_PHYMODE_11AC_VHT80,
-			&(chan->dfs_ch_freq),
-			&(chan->dfs_ch_flags),
-			&(chan->dfs_ch_flagext),
-			&(chan->dfs_ch_ieee),
-			&(chan->dfs_ch_vhtop_ch_freq_seg1),
-			&(chan->dfs_ch_vhtop_ch_freq_seg2));
-}
-#endif
-#endif
 
 /*
  * dfs_precac_csa() - Intitiate CSA for preCAC channel switch.
  * @dfs: pointer to wlan_dfs.
  */
 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_precac_csa(struct wlan_dfs *dfs)
 {
 	/*
@@ -2202,28 +1383,6 @@
 	qdf_mem_free(dfs->dfs_autoswitch_chan);
 	dfs->dfs_autoswitch_chan = NULL;
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_precac_csa(struct wlan_dfs *dfs)
-{
-	/*
-	 * Save current chan into intermediate chan, so that
-	 * next time a DFS channel needs preCAC, there is no channel switch
-	 * until preCAC finishes.
-	 */
-	dfs->dfs_precac_inter_chan = dfs->dfs_autoswitch_des_chan;
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		  "Use %d as intermediate channel for further channel changes",
-		  dfs->dfs_precac_inter_chan);
-
-	if (NULL != global_dfs_to_mlme.mlme_precac_chan_change_csa)
-		global_dfs_to_mlme.mlme_precac_chan_change_csa(dfs->dfs_pdev_obj,
-							       dfs->dfs_autoswitch_des_chan,
-							       dfs->dfs_autoswitch_des_mode);
-	dfs->dfs_autoswitch_des_chan = 0;
-}
-#endif
-#endif
 #endif
 
 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT
@@ -2237,7 +1396,6 @@
  *
  * Return: true if precac done on home channel, else false.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static bool dfs_precac_check_home_chan_change(struct wlan_dfs *dfs)
 {
 	struct dfs_channel *chan = dfs->dfs_autoswitch_chan;
@@ -2250,42 +1408,6 @@
 	return false;
 }
 #else
-#ifdef CONFIG_CHAN_NUM_API
-static bool dfs_precac_check_home_chan_change(struct wlan_dfs *dfs)
-{
-	struct dfs_channel chan;
-
-	qdf_mem_zero(&chan, sizeof(struct dfs_channel));
-	if (QDF_STATUS_SUCCESS !=
-		dfs_mlme_find_dot11_channel(dfs->dfs_pdev_obj,
-					    dfs->dfs_autoswitch_des_chan, 0,
-					    dfs->dfs_autoswitch_des_mode,
-					    &chan.dfs_ch_freq,
-					    &chan.dfs_ch_flags,
-					    &chan.dfs_ch_flagext,
-					    &chan.dfs_ch_ieee,
-					    &chan.dfs_ch_vhtop_ch_freq_seg1,
-					    &chan.dfs_ch_vhtop_ch_freq_seg2)) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Channel %d not found for mode %d",
-			dfs->dfs_autoswitch_des_chan,
-			dfs->dfs_autoswitch_des_mode);
-		return false;
-	}
-	/*
-	 * If desired channel is in precac done list,
-	 * Change channel to desired channel using CSA.
-	 */
-	if (dfs->dfs_autoswitch_des_chan && dfs_is_precac_done(dfs, &chan)) {
-		dfs_precac_csa(dfs);
-		dfs->dfs_soc_obj->precac_state_started = false;
-		return true;
-	}
-	return false;
-}
-#endif
-#endif
-#else
 static inline bool dfs_precac_check_home_chan_change(struct wlan_dfs *dfs)
 {
 	return false;
@@ -2321,7 +1443,6 @@
  * Removes the channel from precac_required list and adds it to the
  * precac_done_list. Triggers a precac channel change.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static os_timer_func(dfs_precac_timeout)
 {
 	struct wlan_dfs *dfs = NULL;
@@ -2391,78 +1512,6 @@
 	    }
 	}
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-static os_timer_func(dfs_precac_timeout)
-{
-	struct wlan_dfs *dfs = NULL;
-	struct dfs_soc_priv_obj *dfs_soc_obj = NULL;
-	uint32_t current_time;
-	bool is_cac_done_on_des_chan = false;
-
-	OS_GET_TIMER_ARG(dfs_soc_obj, struct dfs_soc_priv_obj *);
-
-	dfs = dfs_soc_obj->dfs_priv[dfs_soc_obj->cur_precac_dfs_index].dfs;
-	dfs_soc_obj->dfs_precac_timer_running = 0;
-
-	if (dfs_is_legacy_precac_enabled(dfs)) {
-		/*
-		 * Remove the HT80 freq from the precac-required-list
-		 * and add it to the precac-done-list
-		 */
-		dfs_mark_precac_done(dfs, dfs->dfs_precac_secondary_freq, 0,
-				     dfs->dfs_precac_chwidth);
-		current_time = qdf_system_ticks_to_msecs(qdf_system_ticks());
-		dfs_debug(dfs, WLAN_DEBUG_DFS,
-			  "Pre-cac expired, Precac Secondary chan %u curr time %d",
-			  dfs->dfs_precac_secondary_freq,
-			  (current_time) / 1000);
-		/*
-		 * Do vdev restart so that we can change
-		 * the secondary VHT80 channel.
-		 */
-
-		/* check if CAC done on home channel */
-		is_cac_done_on_des_chan = dfs_precac_check_home_chan_change(dfs);
-		if (!is_cac_done_on_des_chan) {
-			/*
-			 * Use same home channel, only change preCAC channel.
-			 */
-
-			/*
-			 * TO BE DONE xxx : Need to lock the channel change.
-			 */
-			dfs_mlme_channel_change_by_precac(dfs->dfs_pdev_obj);
-		}
-	} else if (dfs_is_agile_precac_enabled(dfs)) {
-		current_time = qdf_system_ticks_to_msecs(qdf_system_ticks());
-		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			 "Pre-cac expired, Agile Precac chan %u curr time %d",
-			 dfs->dfs_agile_precac_freq,
-			 current_time / 1000);
-		if (dfs_soc_obj->ocac_status == OCAC_SUCCESS) {
-			dfs_soc_obj->ocac_status = OCAC_RESET;
-			dfs_mark_precac_done(dfs,
-					     dfs->dfs_agile_precac_freq,
-					     0,
-					     dfs->dfs_precac_chwidth);
-		}
-		/* check if CAC done on home channel */
-		is_cac_done_on_des_chan = dfs_precac_check_home_chan_change(dfs);
-		if (!is_cac_done_on_des_chan) {
-			/*
-			 * Use same home channel, only change preCAC channel.
-			 */
-
-			/*
-			 * TO BE DONE xxx : Need to lock the channel change.
-			 */
-			dfs_prepare_agile_precac_chan(dfs);
-		}
-	}
-}
-#endif
-#endif
 
 void dfs_zero_cac_timer_init(struct dfs_soc_priv_obj *dfs_soc_obj)
 {
@@ -2486,33 +1535,11 @@
 /* dfs_init_precac_tree_node() - Initialise the preCAC BSTree node with the
  *                               provided values.
  * @node:      Precac_tree_node to be filled.
- * @chan:      IEEE channel value.
- * @bandwidth: Bandwidth of the channel.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static inline void dfs_init_precac_tree_node(struct precac_tree_node *node,
-					     int chan,
-					     uint8_t bandwidth)
-{
-	node->left_child = NULL;
-	node->right_child = NULL;
-	node->ch_ieee = (uint8_t)chan;
-	node->n_caced_subchs = 0;
-	node->n_nol_subchs = 0;
-	node->n_valid_subchs = N_SUBCHS_FOR_BANDWIDTH(bandwidth);
-	node->bandwidth = bandwidth;
-}
-#endif
-
-/* dfs_init_precac_tree_node() - Initialise the preCAC BSTree node with the
- *                               provided values.
- * @node:      Precac_tree_node to be filled.
  * @freq:      IEEE channel freq value.
  * @bandwidth: Bandwidth of the channel.
  * @depth:     Depth of the tree. The depth of the tree when the root is 160MHz
  *             channel is 4, 80MHz is 3, 40MHz is 2 and 20MHz is 1.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static inline void
 dfs_init_precac_tree_node_for_freq(struct precac_tree_node *node,
 				   uint16_t freq,
@@ -2530,54 +1557,6 @@
 	node->depth = depth;
 
 }
-#endif
-
-/* dfs_insert_node_into_bstree() - Insert a new preCAC BSTree node.
- * @root:      The preCAC BSTree root pointer.
- * @chan:      IEEE channel value of the new node.
- * @bandwidth: Bandwidth of the channel.
- *
- * Return: EOK if new node is allocated, else return ENOMEM.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static QDF_STATUS
-dfs_insert_node_into_bstree(struct precac_tree_node **root,
-			    int chan,
-			    uint8_t bandwidth)
-{
-	struct precac_tree_node *new_node = NULL;
-	struct precac_tree_node *curr_node, *prev_node = NULL;
-	QDF_STATUS status = EOK;
-
-	new_node = qdf_mem_malloc(sizeof(*new_node));
-	if (!new_node)
-		return -ENOMEM;
-	dfs_init_precac_tree_node(new_node, chan, bandwidth);
-
-	/* If root node is null, assign the newly allocated node
-	 * to this node and return.
-	 */
-	if (!(*root)) {
-		*root = new_node;
-		return status;
-	}
-
-	curr_node = *root;
-	/* Find the leaf node which will be the new node's parent */
-	while (curr_node) {
-		prev_node = curr_node;
-		curr_node = dfs_descend_precac_tree(curr_node, chan);
-	}
-
-	/* Add to the leaf node */
-	if (chan < prev_node->ch_ieee)
-		prev_node->left_child = new_node;
-	else
-		prev_node->right_child = new_node;
-
-	return status;
-}
-#endif
 
 /* dfs_insert_node_into_bstree_for_freq() - Insert a new preCAC BSTree node.
  * @root:      The preCAC BSTree root pointer.
@@ -2588,7 +1567,6 @@
  *
  * Return: EOK if new node is allocated, else return ENOMEM.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static QDF_STATUS
 dfs_insert_node_into_bstree_for_freq(struct precac_tree_node **root,
 				     uint16_t chan_freq,
@@ -2631,7 +1609,6 @@
 
 	return status;
 }
-#endif
 
 /* dfs fill_precac_tree_for_entry() - Fill precac entry tree (level insertion).
  * @dfs:     WLAN DFS structure
@@ -2655,50 +1632,7 @@
 #define START_INDEX 0
 #define STEP_INDEX 1
 
-#ifdef CONFIG_CHAN_NUM_API
-static QDF_STATUS
-dfs_create_precac_tree(struct wlan_dfs *dfs,
-		       struct dfs_precac_entry *precac_entry,
-		       uint8_t ch_ieee)
-{
-	struct precac_tree_node *root = NULL;
-	int chan, i, bandwidth = DFS_CHWIDTH_80_VAL;
-	QDF_STATUS status = EOK;
-	static const int initial_and_next_offsets[TREE_DEPTH_MAX][N_OFFSETS] = {
-		{INITIAL_80_CHAN_OFFSET, NEXT_80_CHAN_OFFSET},
-		{INITIAL_40_CHAN_OFFSET, NEXT_40_CHAN_OFFSET},
-		{INITIAL_20_CHAN_OFFSET, NEXT_20_CHAN_OFFSET}
-	};
 
-	for (i = 0; i < TREE_DEPTH_MAX; i++) {
-		/* In offset array,
-		 * column 0 is initial chan offset,
-		 * column 1 is next chan offset.
-		 * Boundary offset is initial offset and next offset
-		 * of root level (since root level can have only 1 node)
-		 */
-		int offset = initial_and_next_offsets[i][START_INDEX];
-		int step = initial_and_next_offsets[i][STEP_INDEX];
-		uint8_t top_lvl_step = NEXT_80_CHAN_OFFSET;
-		int boundary_offset = offset + top_lvl_step;
-
-		for (; offset < boundary_offset; offset += step) {
-			chan = (int)ch_ieee + offset;
-			status = dfs_insert_node_into_bstree(&root,
-							     chan,
-							     bandwidth);
-			if (status)
-				return status;
-		}
-		bandwidth /= 2;
-	}
-
-	precac_entry->tree_root = root;
-	return status;
-}
-#endif
-
-#ifdef CONFIG_CHAN_FREQ_API
 /**
  * struct precac_tree_offset_for_different_bw - Bandwidth, tree depth and
  * channel offsets information to build the precac tree.
@@ -2823,9 +1757,7 @@
 
 	return status;
 }
-#endif
 
-#ifdef CONFIG_CHAN_FREQ_API
 /**
  * struct dfs_channel_bw - Structure to store the information about precac
  * root's primary channel frequency, maximum bandwidth and the center frequency.
@@ -3188,100 +2120,6 @@
 	    dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "ieee=%u bw=%u", ch_ieee, bw);
 	}
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_init_precac_list(struct wlan_dfs *dfs)
-{
-	u_int i;
-	uint8_t found;
-	struct dfs_precac_entry *tmp_precac_entry;
-	int nchans = 0;
-	QDF_STATUS status;
-
-	/* Right now, only ETSI domain supports preCAC. Check if current
-	 * DFS domain is ETSI and only then build the preCAC list.
-	 */
-	if (utils_get_dfsdomain(dfs->dfs_pdev_obj) != DFS_ETSI_DOMAIN)
-		return;
-
-	/*
-	 * We need to prepare list of uniq VHT80 center frequencies. But at the
-	 * beginning we do not know how many uniq frequencies are present.
-	 * Therefore, we calculate the MAX size and allocate a temporary
-	 * list/array. However we fill the temporary array with uniq frequencies
-	 * and copy the uniq list of frequencies to the final list with exact
-	 * size.
-	 */
-	TAILQ_INIT(&dfs->dfs_precac_list);
-	dfs_mlme_get_dfs_ch_nchans(dfs->dfs_pdev_obj, &nchans);
-
-	PRECAC_LIST_LOCK(dfs);
-	/* Fill the  precac_list with unique elements */
-	for (i = 0; i < nchans; i++) {
-		struct dfs_channel *ichan = NULL, lc;
-		uint8_t pri_cntr_chan = 0;
-
-		ichan = &lc;
-		dfs_mlme_get_dfs_ch_channels(dfs->dfs_pdev_obj,
-				&(ichan->dfs_ch_freq),
-				&(ichan->dfs_ch_flags),
-				&(ichan->dfs_ch_flagext),
-				&(ichan->dfs_ch_ieee),
-				&(ichan->dfs_ch_vhtop_ch_freq_seg1),
-				&(ichan->dfs_ch_vhtop_ch_freq_seg2),
-				i);
-		pri_cntr_chan = ichan->dfs_ch_vhtop_ch_freq_seg1;
-
-		if (WLAN_IS_CHAN_11AC_VHT80(ichan) &&
-				WLAN_IS_CHAN_DFS(ichan)) {
-			found = 0;
-			TAILQ_FOREACH(tmp_precac_entry,
-					&dfs->dfs_precac_list,
-					pe_list) {
-				if (tmp_precac_entry->vht80_ch_ieee ==
-						pri_cntr_chan) {
-					found = 1;
-					break;
-				}
-			}
-			if (!found && pri_cntr_chan) {
-				struct dfs_precac_entry *precac_entry;
-
-				precac_entry = qdf_mem_malloc(
-					sizeof(*precac_entry));
-				if (!precac_entry) {
-					dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-						"entry alloc fail for : %d", i);
-					continue;
-				}
-				precac_entry->vht80_ch_ieee = pri_cntr_chan;
-				precac_entry->dfs = dfs;
-				status = dfs_create_precac_tree(dfs,
-								precac_entry,
-								pri_cntr_chan);
-				if (status) {
-					dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-						"tree_node alloc failed");
-					continue;
-				}
-				TAILQ_INSERT_TAIL(
-						&dfs->dfs_precac_list,
-						precac_entry, pe_list);
-			}
-		}
-	}
-	PRECAC_LIST_UNLOCK(dfs);
-
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		"Print the list of VHT80 frequencies from linked list");
-	TAILQ_FOREACH(tmp_precac_entry,
-			&dfs->dfs_precac_list,
-			pe_list)
-		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "freq=%u",
-				tmp_precac_entry->vht80_ch_ieee);
-}
-#endif
-#endif
 
 /* dfs_find_leftmost_leaf_of_precac_tree() - Find the leftmost leaf node of
  *                                           BSTree rooted by the given node.
@@ -3455,62 +2293,6 @@
 }
 
 #define DFS_160MHZ_SECSEG_CHAN_FREQ_OFFSET 40
-#ifdef CONFIG_CHAN_NUM_API
-/**
- * dfs_get_num_cur_subchans_in_node() - Get number of excluded channels
- *                                      inside the current node.
- * @dfs:  Pointer to wlan_dfs structure.
- * @node: Node to be checked.
- *
- * Return: uint8_t.
- * Return the number of excluded (current operating channels in CAC) that are in
- * the given tree node range.
- */
-static uint8_t
-dfs_get_num_cur_subchans_in_node(struct wlan_dfs *dfs,
-				 struct precac_tree_node *node)
-{
-	uint16_t exclude_pri_ch_freq, exclude_sec_ch_freq, n_exclude_subchs = 0;
-	uint8_t chwidth_val = DFS_CHWIDTH_80_VAL;
-	struct dfs_channel *curchan = dfs->dfs_curchan;
-
-	exclude_pri_ch_freq =
-		utils_dfs_chan_to_freq(curchan->dfs_ch_vhtop_ch_freq_seg1);
-	exclude_sec_ch_freq =
-		utils_dfs_chan_to_freq(curchan->dfs_ch_vhtop_ch_freq_seg2);
-	if (WLAN_IS_CHAN_MODE_160(curchan)) {
-		if (exclude_sec_ch_freq < exclude_pri_ch_freq)
-			exclude_sec_ch_freq -=
-				DFS_160MHZ_SECSEG_CHAN_FREQ_OFFSET;
-		else
-			exclude_sec_ch_freq +=
-				DFS_160MHZ_SECSEG_CHAN_FREQ_OFFSET;
-	}
-
-	if (WLAN_IS_CHAN_MODE_20(curchan))
-		chwidth_val = DFS_CHWIDTH_20_VAL;
-	else if (WLAN_IS_CHAN_MODE_40(curchan))
-		chwidth_val = DFS_CHWIDTH_40_VAL;
-
-	/* Check if the channel is a subset of the tree node and if it's
-	 * currently in CAC period. This is to avoid excluding channels twice,
-	 * one below and one in the already CACed channels exclusion (in the
-	 * caller API). */
-	if (IS_WITHIN_RANGE(exclude_pri_ch_freq,
-			   node->ch_freq,
-			   (node->bandwidth / 2)) &&
-	   dfs_is_pcac_required_for_freq(node, exclude_pri_ch_freq))
-		n_exclude_subchs += N_SUBCHS_FOR_BANDWIDTH(chwidth_val);
-	if (IS_WITHIN_RANGE(exclude_sec_ch_freq,
-			   node->ch_freq,
-			   (node->bandwidth / 2)) &&
-	   dfs_is_pcac_required_for_freq(node, exclude_sec_ch_freq))
-		n_exclude_subchs += N_SUBCHS_FOR_BANDWIDTH(chwidth_val);
-	return n_exclude_subchs;
-}
-#endif
-
-#ifdef CONFIG_CHAN_FREQ_API
 /**
  * dfs_get_num_cur_subchans_in_node_freq() - Get number of excluded channels
  *                                           inside the current node.
@@ -3563,55 +2345,7 @@
 		n_exclude_subchs += N_SUBCHS_FOR_BANDWIDTH(chwidth_val);
 	return n_exclude_subchs;
 }
-#endif
 
-#ifdef CONFIG_CHAN_NUM_API
-/* dfs_is_cac_needed_for_bst_node() - For a requested bandwidth, find
- *                                    if the current preCAC BSTree node needs
- *                                    CAC.
- * @dfs:           Pointer to wlan_dfs structure.
- * @node:          Node to be checked.
- * @req_bandwidth: bandwidth of channel requested.
- *
- * Return: TRUE/FALSE.
- * Return true if there exists a channel of the requested bandwidth
- * for the node which is not CAC done, else false.
- */
-static bool
-dfs_is_cac_needed_for_bst_node(struct wlan_dfs *dfs,
-			       struct precac_tree_node *node,
-			       uint8_t req_bandwidth)
-{
-	uint8_t n_subchs_for_req_bw, n_allowed_subchs, n_excluded_subchs;
-
-	if (!node)
-		return false;
-
-	/* Find the number of subchannels for the requested bandwidth */
-	n_excluded_subchs = dfs_get_num_cur_subchans_in_node(dfs, node);
-	n_subchs_for_req_bw = N_SUBCHS_FOR_BANDWIDTH(req_bandwidth);
-	n_allowed_subchs = node->n_valid_subchs -
-			(node->n_nol_subchs + n_excluded_subchs);
-
-	/* Return false if,
-	 * 1. Number of allowed subchannels (all subchannels other than
-	 *    current operating sub-channels and NOL sub-channels) in the
-	 *    current node is less than the requested number of subchannels.
-	 * 3. If the number CAC done subchannels + NOL subchannels + current
-	 *    operating subchannels in the current node is equal to number of
-	 *    valid subchannels in the node.
-	 * else, return true.
-	 */
-	if ((n_allowed_subchs < n_subchs_for_req_bw) ||
-	    ((node->n_caced_subchs + node->n_nol_subchs + n_excluded_subchs) ==
-	     node->n_valid_subchs))
-		return false;
-
-	return true;
-}
-#endif
-
-#ifdef CONFIG_CHAN_FREQ_API
 /* dfs_is_cac_needed_for_bst_node_for_freq() - For a requested bandwidth, find
  *                                             if the current preCAC BSTree
  *                                             node needs CAC.
@@ -3655,55 +2389,6 @@
 
 	return true;
 }
-#endif
-
-/* dfs_find_ieee_ch_from_precac_tree() - from the given preCAC tree, find a IEEE
- *                                       channel of the given bandwidth which
- *                                       is valid and needs CAC.
- * @root:   PreCAC BSTree root pointer.
- * @req_bw: Bandwidth of channel requested.
- *
- * Return: IEEE channel number.
- * Return a valid IEEE value which needs CAC for the given bandwidth, else
- * return 0.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static uint8_t
-dfs_find_ieee_ch_from_precac_tree(struct wlan_dfs *dfs,
-				  struct precac_tree_node *root,
-				  uint8_t req_bw)
-{
-	struct precac_tree_node *curr_node;
-
-	if (!dfs_is_cac_needed_for_bst_node(dfs, root, req_bw))
-		return 0;
-
-	curr_node = root;
-	while (curr_node) {
-		if (curr_node->bandwidth == req_bw) {
-			/* find if current node in valid state (req.) */
-			if (dfs_is_cac_needed_for_bst_node(dfs,
-							   curr_node,
-							   req_bw))
-				return curr_node->ch_ieee;
-			else
-				return 0;
-		}
-
-		/* Find if we need to go to left or right subtree.
-		 * Note: If both are available, go to left.
-		 */
-		if (!dfs_is_cac_needed_for_bst_node(dfs,
-						    curr_node->left_child,
-						    req_bw))
-			curr_node = curr_node->right_child;
-		else
-			curr_node = curr_node->left_child;
-	}
-	/* If requested bandwidth is invalid, return 0 here */
-	return 0;
-}
-#endif
 
 /* dfs_find_ieee_ch_from_precac_tree_for_freq() - from the given preCAC tree,
  *                                       find a IEEE freq of the given bandwidth
@@ -3715,7 +2400,6 @@
  * Return a valid freq value which needs CAC for the given bandwidth, else
  * return 0.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static uint16_t
 dfs_find_ieee_ch_from_precac_tree_for_freq(struct wlan_dfs *dfs,
 					   struct precac_tree_node *root,
@@ -3752,43 +2436,6 @@
 	/* If requested bandwidth is invalid, return 0 here */
 	return 0;
 }
-#endif
-
-#ifdef CONFIG_CHAN_NUM_API
-uint8_t dfs_get_ieeechan_for_precac(struct wlan_dfs *dfs,
-				    uint8_t exclude_pri_ch_ieee,
-				    uint8_t exclude_sec_ch_ieee,
-				    uint8_t bandwidth)
-{
-	struct dfs_precac_entry *precac_entry;
-	struct precac_tree_node *root = NULL;
-	uint8_t ieee_chan = 0;
-
-	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
-		 "current operating channel(s) to be excluded = [%u] [%u]",
-		 exclude_pri_ch_ieee,
-		 exclude_sec_ch_ieee);
-
-	PRECAC_LIST_LOCK(dfs);
-	if (!TAILQ_EMPTY(&dfs->dfs_precac_list)) {
-		TAILQ_FOREACH(precac_entry, &dfs->dfs_precac_list,
-			      pe_list) {
-			root = precac_entry->tree_root;
-			ieee_chan =
-				dfs_find_ieee_ch_from_precac_tree(dfs,
-								  root,
-								  bandwidth);
-			if (ieee_chan)
-				break;
-		}
-	}
-	PRECAC_LIST_UNLOCK(dfs);
-	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS, "Channel picked for preCAC = %u",
-		 ieee_chan);
-
-	return ieee_chan;
-}
-#endif
 
 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT
 #ifdef CONFIG_CHAN_FREQ_API
@@ -3897,7 +2544,6 @@
  * @exclude_sec_ch_freq: Secondary freqeuncy to be excluded.
  * @bandwidth: Bandwidth.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 uint16_t dfs_get_ieeechan_for_precac_for_freq(struct wlan_dfs *dfs,
 					      uint16_t exclude_pri_ch_freq,
 					      uint16_t exclude_sec_ch_freq,
@@ -3940,7 +2586,6 @@
 
 	return ieee_chan_freq;
 }
-#endif
 
 void dfs_cancel_precac_timer(struct wlan_dfs *dfs)
 {
@@ -3962,55 +2607,9 @@
  * and if the last channel of given range is right of the first weather channel,
  * return true, else false.
  */
-#ifdef CONFIG_CHAN_NUM_API
-#define FIND_IF_OVERLAP_WITH_WEATHER_RANGE(first_ch, last_ch) \
-((first_ch <= WEATHER_CHAN_END) && (WEATHER_CHAN_START <= last_ch))
-#endif
-
-#ifdef CONFIG_CHAN_FREQ_API
 #define FIND_IF_OVERLAP_WITH_WEATHER_FREQ_RANGE(first_ch_freq, last_ch_freq) \
 ((first_ch_freq <= WEATHER_CHAN_END_FREQ) && (last_ch_freq >= \
 					      WEATHER_CHAN_START_FREQ))
-#endif
-/* dfs_is_precac_on_weather_channel() - Given a channel number, find if
- * it's a weather radar channel.
- * @dfs: Pointer to WLAN_DFS structure.
- * @chwidth: PreCAC channel width enum.
- * @precac_chan: Channel for preCAC.
- *
- * Based on the precac_width, find the first and last subchannels of the given
- * preCAC channel and check if this range overlaps with weather channel range.
- *
- * Return: True if weather channel, else false.
- */
-#ifdef CONFIG_CHAN_NUM_API
-static bool dfs_is_precac_on_weather_channel(struct wlan_dfs *dfs,
-					     enum phy_ch_width chwidth,
-					     uint8_t precac_chan)
-{
-	uint8_t first_subch, last_subch;
-
-	switch (chwidth) {
-	case CH_WIDTH_20MHZ:
-		first_subch = precac_chan;
-		last_subch = precac_chan;
-		break;
-	case CH_WIDTH_40MHZ:
-		first_subch = precac_chan - DFS_5GHZ_NEXT_CHAN_OFFSET;
-		last_subch = precac_chan + DFS_5GHZ_NEXT_CHAN_OFFSET;
-		break;
-	case CH_WIDTH_80MHZ:
-		first_subch = precac_chan - DFS_5GHZ_2ND_CHAN_OFFSET;
-		last_subch = precac_chan + DFS_5GHZ_2ND_CHAN_OFFSET;
-		break;
-	default:
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Precac channel width invalid!");
-		return false;
-	}
-	return FIND_IF_OVERLAP_WITH_WEATHER_RANGE(first_subch, last_subch);
-}
-#endif
 
 /* dfs_is_pcac_on_weather_channel_for_freq() - Given a channel number, find if
  * it's a weather radar channel.
@@ -4023,7 +2622,6 @@
  *
  * Return: True if weather channel, else false.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 static bool dfs_is_pcac_on_weather_channel_for_freq(struct wlan_dfs *dfs,
 						    enum phy_ch_width chwidth,
 						    uint16_t precac_freq)
@@ -4063,7 +2661,6 @@
 	}
 	return FIND_IF_OVERLAP_WITH_WEATHER_FREQ_RANGE(first_subch, last_subch);
 }
-#endif
 
 /*
  * dfs_start_agile_precac_timer() - Start Agile preCAC timer.
@@ -4072,7 +2669,6 @@
  * @adfs_param: Pointer to ADFS params.
  */
 #define EXTRA_TIME_IN_MS 2000
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_start_agile_precac_timer(struct wlan_dfs *dfs,
 				  uint8_t ocac_status,
 				  struct dfs_agile_cac_params *adfs_param)
@@ -4120,131 +2716,6 @@
 		min_precac_timeout += EXTRA_TIME_IN_MS;
 	qdf_timer_mod(&dfs_soc_obj->dfs_precac_timer, min_precac_timeout);
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_start_agile_precac_timer(struct wlan_dfs *dfs,
-				  uint8_t ocac_status,
-				  struct dfs_agile_cac_params *adfs_param)
-{
-	uint8_t precac_chan = adfs_param->precac_chan;
-	enum phy_ch_width chwidth = adfs_param->precac_chwidth;
-	uint32_t min_precac_timeout, max_precac_timeout;
-	struct dfs_soc_priv_obj *dfs_soc_obj;
-
-	dfs_soc_obj = dfs->dfs_soc_obj;
-	dfs_soc_obj->dfs_precac_timer_running = 1;
-
-	if (ocac_status == OCAC_SUCCESS) {
-		dfs_soc_obj->ocac_status = OCAC_SUCCESS;
-		min_precac_timeout = 0;
-		max_precac_timeout = 0;
-	} else {
-		/* Find the minimum and maximum precac timeout. */
-		max_precac_timeout = MAX_PRECAC_DURATION;
-		if (dfs->dfs_precac_timeout_override != -1) {
-			min_precac_timeout =
-				dfs->dfs_precac_timeout_override * 1000;
-		} else if (dfs_is_precac_on_weather_channel(dfs,
-							    chwidth,
-							    precac_chan)) {
-			min_precac_timeout = MIN_WEATHER_PRECAC_DURATION;
-			max_precac_timeout = MAX_WEATHER_PRECAC_DURATION;
-		} else {
-			min_precac_timeout = MIN_PRECAC_DURATION;
-		}
-	}
-
-	dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
-		 "precactimeout = %d ms", (min_precac_timeout));
-	/* Add the preCAC timeout in the params to be sent to FW. */
-	adfs_param->min_precac_timeout = min_precac_timeout;
-	adfs_param->max_precac_timeout = max_precac_timeout;
-	/* Increase the preCAC timeout in HOST by 2 seconds to avoid
-	 * FW OCAC completion event and HOST timer firing at same time. */
-	if (min_precac_timeout)
-		min_precac_timeout += EXTRA_TIME_IN_MS;
-	qdf_timer_mod(&dfs_soc_obj->dfs_precac_timer, min_precac_timeout);
-}
-#endif
-#endif
-#endif
-
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_start_precac_timer(struct wlan_dfs *dfs,
-			    uint8_t precac_chan)
-{
-	struct dfs_channel *ichan, lc;
-	uint8_t first_primary_dfs_ch_ieee;
-	int primary_cac_timeout;
-	int secondary_cac_timeout;
-	int precac_timeout;
-	struct dfs_soc_priv_obj *dfs_soc_obj;
-	struct dfs_channel *dfs_curchan;
-
-	dfs_soc_obj = dfs->dfs_soc_obj;
-	dfs = dfs_soc_obj->dfs_priv[dfs_soc_obj->cur_precac_dfs_index].dfs;
-#define EXTRA_TIME_IN_SEC 5
-	dfs_soc_obj->dfs_precac_timer_running = 1;
-
-	/*
-	 * Get the first primary ieee chan in the HT80 band and find the channel
-	 * pointer.
-	 */
-	dfs_curchan = dfs->dfs_curchan;
-	first_primary_dfs_ch_ieee = precac_chan - VHT80_FREQ_OFFSET;
-
-	primary_cac_timeout =
-		dfs_mlme_get_cac_timeout(dfs->dfs_pdev_obj,
-					 dfs_curchan->dfs_ch_freq,
-					 dfs_curchan->dfs_ch_vhtop_ch_freq_seg2,
-					 dfs_curchan->dfs_ch_flags);
-
-	ichan = &lc;
-	dfs_mlme_find_dot11_channel(dfs->dfs_pdev_obj,
-				    first_primary_dfs_ch_ieee, 0,
-				    WLAN_PHYMODE_11AC_VHT80,
-				    &ichan->dfs_ch_freq,
-				    &ichan->dfs_ch_flags,
-				    &ichan->dfs_ch_flagext,
-				    &ichan->dfs_ch_ieee,
-				    &ichan->dfs_ch_vhtop_ch_freq_seg1,
-				    &ichan->dfs_ch_vhtop_ch_freq_seg2);
-
-	secondary_cac_timeout = (dfs->dfs_precac_timeout_override != -1) ?
-		dfs->dfs_precac_timeout_override :
-		dfs_mlme_get_cac_timeout(dfs->dfs_pdev_obj,
-					 ichan->dfs_ch_freq,
-					 ichan->dfs_ch_vhtop_ch_freq_seg2,
-					 ichan->dfs_ch_flags);
-
-	/*
-	 * EXTRA time is needed so that if CAC and PreCAC is running
-	 * simultaneously, PreCAC expiry function may be called before CAC
-	 * expiry and PreCAC expiry does a channel change (vdev_restart) the
-	 * restart response calls CAC_start function(ieee80211_dfs_cac_start)
-	 * which cancels any previous CAC timer and starts a new CAC again.
-	 * So CAC expiry does not happen and moreover a new CAC is started.
-	 * Therefore do not disturb the CAC by channel restart (vdev_restart).
-	 *
-	 * If CAC/preCAC was already completed on primary, then we do not need
-	 * to calculate which CAC timeout is maximum.
-	 * For example: If primary's CAC is 600 seconds and secondary's CAC
-	 * is 60 seconds then maximum gives 600 seconds which is not needed
-	 * if CAC/preCAC was already completed on primary. It is to be noted
-	 * that etsi_precac/cac is done on primary segment.
-	 */
-	if (WLAN_IS_CHAN_DFS(dfs->dfs_curchan) &&
-	    !dfs_is_precac_done(dfs, dfs->dfs_curchan))
-		precac_timeout = QDF_MAX(primary_cac_timeout,
-					 secondary_cac_timeout) +
-				 EXTRA_TIME_IN_SEC;
-	else
-		precac_timeout = secondary_cac_timeout + EXTRA_TIME_IN_SEC;
-
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		  "precactimeout = %d", (precac_timeout) * 1000);
-	qdf_timer_mod(&dfs_soc_obj->dfs_precac_timer, (precac_timeout) * 1000);
-}
 #endif
 
 /*
@@ -4252,7 +2723,6 @@
  * @dfs: pointer to wlan_dfs.
  * @precac_chan_freq: PreCAC channel frequency
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_start_precac_timer_for_freq(struct wlan_dfs *dfs,
 				     uint16_t precac_chan_freq)
 {
@@ -4330,7 +2800,6 @@
 		"precactimeout = %d", (precac_timeout)*1000);
 	qdf_timer_mod(&dfs_soc_obj->dfs_precac_timer, (precac_timeout) * 1000);
 }
-#endif
 
 /* dfs_print_node_data() - Print the precac tree node data.
  * @dfs:  Pointer to WLAN DFS structure.
@@ -4534,17 +3003,16 @@
  * @mode: Wireless mode of channel.
  */
 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT
-#ifdef CONFIG_CHAN_NUM_API
 void dfs_set_precac_preferred_channel(struct wlan_dfs *dfs,
 				      struct dfs_channel *chan, uint8_t mode)
 {
 	bool found = false;
-	uint8_t freq_160_sec = 0;
+	uint16_t freq_160_sec_mhz = 0;
 	struct dfs_precac_entry *precac_entry;
 
 	if (dfs_is_precac_timer_running(dfs) &&
 	    WLAN_IS_CHAN_MODE_80(chan) &&
-	    (dfs->dfs_precac_secondary_freq == chan->dfs_ch_freq)) {
+	    (dfs->dfs_precac_secondary_freq_mhz == chan->dfs_ch_freq)) {
 		return;
 	}
 
@@ -4556,8 +3024,8 @@
 	    !TAILQ_EMPTY(&dfs->dfs_precac_list)) {
 		TAILQ_FOREACH(precac_entry,
 			      &dfs->dfs_precac_list, pe_list) {
-			if (precac_entry->vht80_ch_ieee ==
-			    chan->dfs_ch_vhtop_ch_freq_seg1) {
+			if (precac_entry->vht80_ch_freq ==
+			    chan->dfs_ch_mhz_freq_seg1) {
 				found = true;
 				TAILQ_REMOVE(&dfs->dfs_precac_list,
 					     precac_entry, pe_list);
@@ -4570,18 +3038,18 @@
 
 	if (WLAN_IS_CHAN_MODE_160(chan) && WLAN_IS_CHAN_DFS(chan) &&
 	    !TAILQ_EMPTY(&dfs->dfs_precac_list)) {
-		if (chan->dfs_ch_ieee < chan->dfs_ch_vhtop_ch_freq_seg2)
-			freq_160_sec = chan->dfs_ch_vhtop_ch_freq_seg1 +
-				       VHT160_IEEE_FREQ_DIFF;
+		if (chan->dfs_ch_freq < chan->dfs_ch_mhz_freq_seg2)
+			freq_160_sec_mhz = chan->dfs_ch_mhz_freq_seg1 +
+				VHT160_FREQ_DIFF;
 		else
-			freq_160_sec = chan->dfs_ch_vhtop_ch_freq_seg1 -
-				       VHT160_IEEE_FREQ_DIFF;
+			freq_160_sec_mhz = chan->dfs_ch_mhz_freq_seg1 -
+				VHT160_FREQ_DIFF;
 
 		found = false;
 		TAILQ_FOREACH(precac_entry,
 			      &dfs->dfs_precac_list, pe_list) {
-			if (precac_entry->vht80_ch_ieee ==
-			    freq_160_sec) {
+			if (precac_entry->vht80_ch_freq ==
+			    freq_160_sec_mhz) {
 				found = true;
 				TAILQ_REMOVE(&dfs->dfs_precac_list,
 					     precac_entry, pe_list);
@@ -4600,57 +3068,7 @@
 		return;
 	}
 }
-#endif
 
-#ifdef CONFIG_CHAN_NUM_API
-bool
-dfs_decide_precac_preferred_chan(struct wlan_dfs *dfs,
-				 uint8_t *pref_chan,
-				 enum wlan_phymode mode)
-{
-	struct dfs_channel chan;
-
-	qdf_mem_zero(&chan, sizeof(struct dfs_channel));
-	if (QDF_STATUS_SUCCESS !=
-	    dfs_mlme_find_dot11_channel(dfs->dfs_pdev_obj,
-					*pref_chan, 0,
-					mode,
-					&chan.dfs_ch_freq,
-					&chan.dfs_ch_flags,
-					&chan.dfs_ch_flagext,
-					&chan.dfs_ch_ieee,
-					&chan.dfs_ch_vhtop_ch_freq_seg1,
-					&chan.dfs_ch_vhtop_ch_freq_seg2))
-		return false;
-	if (!dfs->dfs_precac_inter_chan)
-		return false;
-
-	/*
-	 * If precac is done on this channel use it, else use a intermediate
-	 * non-DFS channel and trigger a precac on this channel.
-	 */
-	if ((WLAN_IS_CHAN_DFS(&chan) ||
-	    (WLAN_IS_CHAN_MODE_160(&chan) &&
-	     WLAN_IS_CHAN_DFS_CFREQ2(&chan))) &&
-	    !dfs_is_precac_done(dfs, &chan)) {
-		dfs_set_precac_preferred_channel(dfs, &chan, mode);
-		dfs->dfs_autoswitch_des_chan = *pref_chan;
-		dfs->dfs_autoswitch_des_mode = mode;
-		*pref_chan = dfs->dfs_precac_inter_chan;
-		dfs_debug(dfs, WLAN_DEBUG_DFS,
-			  "des_chan=%d, des_mode=%d. Current operating channel=%d",
-			  dfs->dfs_autoswitch_des_chan,
-			  dfs->dfs_autoswitch_des_mode,
-			  *pref_chan);
-		return true;
-	}
-
-	dfs->dfs_precac_inter_chan = chan.dfs_ch_ieee;
-	return false;
-}
-#endif
-
-#ifdef CONFIG_CHAN_FREQ_API
 bool
 dfs_decide_precac_preferred_chan_for_freq(struct wlan_dfs *dfs,
 					  uint16_t *pref_chan_freq,
@@ -4708,71 +3126,7 @@
 	qdf_mem_free(chan);
 	return false;
 }
-#endif
 
-#ifdef CONFIG_CHAN_NUM_API
-enum precac_chan_state
-dfs_get_precac_chan_state(struct wlan_dfs *dfs, uint8_t precac_chan)
-{
-	struct dfs_channel chan;
-	struct dfs_precac_entry *tmp_precac_entry;
-	struct precac_tree_node *root = NULL;
-	enum precac_chan_state ret = PRECAC_ERR;
-
-	qdf_mem_zero(&chan, sizeof(struct dfs_channel));
-	if (QDF_STATUS_SUCCESS !=
-	    dfs_mlme_find_dot11_channel(dfs->dfs_pdev_obj,
-					precac_chan, 0,
-					WLAN_PHYMODE_11AC_VHT80,
-					&chan.dfs_ch_freq,
-					&chan.dfs_ch_flags,
-					&chan.dfs_ch_flagext,
-					&chan.dfs_ch_ieee,
-					&chan.dfs_ch_vhtop_ch_freq_seg1,
-					&chan.dfs_ch_vhtop_ch_freq_seg2)) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Intermediate channel not found");
-		return PRECAC_ERR;
-	}
-
-	if (!WLAN_IS_CHAN_DFS(&chan)) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"[%d] Not a DFS channel", precac_chan);
-		return PRECAC_ERR;
-	}
-
-	PRECAC_LIST_LOCK(dfs);
-	if (dfs_is_precac_timer_running(dfs)) {
-		tmp_precac_entry = TAILQ_FIRST(&dfs->dfs_precac_list);
-		if (tmp_precac_entry && (tmp_precac_entry->vht80_ch_ieee ==
-			chan.dfs_ch_vhtop_ch_freq_seg1)) {
-			ret = PRECAC_NOW;
-			goto end;
-		}
-	}
-
-	TAILQ_FOREACH(tmp_precac_entry,
-		      &dfs->dfs_precac_list, pe_list) {
-		if (tmp_precac_entry->vht80_ch_ieee ==
-		    chan.dfs_ch_vhtop_ch_freq_seg1) {
-			root = tmp_precac_entry->tree_root;
-			if (root->n_nol_subchs)
-				ret = PRECAC_NOL;
-			else if (root->n_caced_subchs ==
-				 N_SUBCHS_FOR_BANDWIDTH(root->bandwidth))
-				ret = PRECAC_DONE;
-			else
-				ret = PRECAC_REQUIRED;
-			goto end;
-		}
-	}
-end:
-	PRECAC_LIST_UNLOCK(dfs);
-	return ret;
-}
-#endif
-
-#ifdef CONFIG_CHAN_FREQ_API
 enum precac_chan_state
 dfs_get_precac_chan_state_for_freq(struct wlan_dfs *dfs, uint16_t pcac_freq)
 {
@@ -4835,7 +3189,6 @@
 	return ret;
 }
 #endif
-#endif
 
 #ifdef QCA_SUPPORT_AGILE_DFS
 /* dfs_translate_chwidth_enum2val() - Translate the given channel width enum
@@ -4896,59 +3249,6 @@
 	}
 }
 
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_get_ieeechan_for_agilecac(struct wlan_dfs *dfs,
-				   uint8_t *ch_ieee,
-				   uint8_t pri_ch_ieee,
-				   uint8_t sec_ch_ieee)
-{
-	uint8_t ieee_chan, chwidth_val;
-	enum phy_ch_width chwidth = CH_WIDTH_INVALID;
-
-	/*
-	 * Agile detector's band of operation depends on current pdev.
-	 * Find the current channel's width and apply the translate rules
-	 * to find the Agile detector bandwidth.
-	 * Translate rules (all numbers are in MHz) from current pdev's width
-	 * to Agile detector's width:
-	 * 20 - 20, 40 - 40, 80 - 80, 160 - 80, 160 (non contiguous) - 80.
-	 */
-	dfs_find_chwidth_and_center_chan(dfs, &chwidth, NULL, NULL);
-
-	/* Check if the FW supports agile DFS when the pdev is operating on
-	 * 160 or 80P80MHz bandwidth. This information is stored in the flag
-	 * "dfs_fw_adfs_support_160" when the current chainmask is configured.
-	 */
-	if ((chwidth == CH_WIDTH_80P80MHZ || chwidth == CH_WIDTH_160MHZ) &&
-	    (!dfs->dfs_fw_adfs_support_160)) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"aDFS during 160MHz operation not supported by target");
-		return;
-	}
-	dfs->dfs_precac_chwidth = dfs_map_to_agile_width(dfs, chwidth);
-	if (dfs->dfs_precac_chwidth == CH_WIDTH_INVALID) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS, "cannot start agile CAC!");
-		return;
-	}
-	/* Find chwidth value for the given enum */
-	chwidth_val = dfs_translate_chwidth_enum2val(dfs,
-						     dfs->dfs_precac_chwidth);
-
-	dfs->dfs_soc_obj->ocac_status = OCAC_RESET;
-
-	ieee_chan = dfs_get_ieeechan_for_precac(dfs,
-						pri_ch_ieee,
-						sec_ch_ieee,
-						chwidth_val);
-	if (ieee_chan)
-		dfs->dfs_agile_precac_freq = ieee_chan;
-	else
-		dfs->dfs_agile_precac_freq = 0;
-
-	*ch_ieee = dfs->dfs_agile_precac_freq;
-}
-#endif
-
 #ifdef QCA_SUPPORT_ADFS_RCAC
 
 /* dfs_fill_des_rcac_chan_params() - Fill ch_params from dfs current channel.
@@ -5389,7 +3689,6 @@
  * @pri_ch_freq: Primary channel frequency.
  * @sec_ch_freq: Secondary channel frequency.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_set_agilecac_chan_for_freq(struct wlan_dfs *dfs,
 				    qdf_freq_t *ch_freq,
 				    qdf_freq_t pri_ch_freq,
@@ -5433,126 +3732,7 @@
 		qdf_info("%s: No valid Agile channels available in the current pdev", __func__);
 }
 #endif
-#endif
 
-#ifdef CONFIG_CHAN_NUM_API
-void dfs_find_vht80_chan_for_precac(struct wlan_dfs *dfs,
-				    uint32_t chan_mode,
-				    uint8_t ch_freq_seg1,
-				    uint32_t *cfreq1,
-				    uint32_t *cfreq2,
-				    uint32_t *phy_mode,
-				    bool *dfs_set_cfreq2,
-				    bool *set_agile)
-{
-	uint8_t ieee_freq;
-	uint8_t chwidth_val = DFS_CHWIDTH_80_VAL;
-
-	if (chan_mode != WLAN_PHYMODE_11AC_VHT80)
-		return;
-
-	dfs->dfs_precac_chwidth = CH_WIDTH_80MHZ;
-	dfs_debug(dfs, WLAN_DEBUG_DFS,
-		  "precac_secondary_freq = %u precac_running = %u",
-		  dfs->dfs_precac_secondary_freq,
-		  dfs->dfs_soc_obj->dfs_precac_timer_running);
-
-	/*
-	 * If Pre-CAC is enabled then find a center frequency for
-	 * the secondary VHT80 and Change the mode to
-	 * VHT80_80 or VHT160.
-	 */
-	if (dfs_is_legacy_precac_enabled(dfs)) {
-		/*
-		 * If precac timer is running then do not change the
-		 * secondary channel use the old secondary VHT80
-		 * channel. If precac timer is not running then try to
-		 * find a new channel from precac-list.
-		 */
-		if (dfs->dfs_soc_obj->dfs_precac_timer_running) {
-			/*
-			 * Primary and secondary VHT80 cannot be the
-			 * same. Therefore exclude the primary
-			 * frequency while getting new channel from
-			 * precac-list.
-			 */
-			if (ch_freq_seg1 ==
-					dfs->dfs_precac_secondary_freq)
-				ieee_freq =
-				dfs_get_ieeechan_for_precac(dfs,
-							    ch_freq_seg1,
-							    0,
-							    chwidth_val);
-			else
-				ieee_freq = dfs->dfs_precac_secondary_freq;
-		} else
-			ieee_freq = dfs_get_ieeechan_for_precac(dfs,
-								ch_freq_seg1,
-								0,
-								chwidth_val);
-		if (ieee_freq) {
-			if (ieee_freq == (ch_freq_seg1 +
-					  VHT160_IEEE_FREQ_DIFF)) {
-				/*
-				 * Override the HW channel mode to
-				 * VHT160
-				 */
-				uint8_t ieee_160_cfreq;
-
-				ieee_160_cfreq = (ieee_freq + ch_freq_seg1) / 2;
-				chan_mode = WLAN_PHYMODE_11AC_VHT160;
-				*cfreq1 = dfs_mlme_ieee2mhz(dfs->dfs_pdev_obj,
-							    ch_freq_seg1,
-							    WLAN_CHAN_5GHZ);
-				*cfreq2 = dfs_mlme_ieee2mhz(dfs->dfs_pdev_obj,
-							    ieee_160_cfreq,
-							    WLAN_CHAN_5GHZ);
-			} else {
-				/*
-				 * Override the HW channel mode to
-				 * VHT80_80.
-				 */
-				chan_mode = WLAN_PHYMODE_11AC_VHT80_80;
-				*cfreq2 = dfs_mlme_ieee2mhz(dfs->dfs_pdev_obj,
-							    ieee_freq,
-							    WLAN_CHAN_5GHZ);
-			}
-			*phy_mode = lmac_get_phymode_info(dfs->dfs_pdev_obj,
-							  chan_mode);
-			*dfs_set_cfreq2 = true;
-
-			/*
-			 * Finally set the agile flag.
-			 * When we want a full calibration of both
-			 * primary VHT80 and secondary VHT80 the agile
-			 * flag is set to FALSE else set to TRUE. When
-			 * a channel is being set for the first time
-			 * this flag must be FALSE because first time
-			 * the entire channel must be calibrated. All
-			 * subsequent times the flag must be set to TRUE
-			 * if we are changing only the secondary VHT80.
-			 */
-			if (dfs->dfs_precac_primary_freq == ch_freq_seg1)
-				*set_agile = true;
-			else
-				*set_agile = false;
-
-			dfs_debug(dfs, WLAN_DEBUG_DFS,
-				  "cfreq1 = %u cfreq2 = %u ieee_freq = %u mode = %u set_agile = %d",
-				  *cfreq1, *cfreq2, ieee_freq,
-				  chan_mode, *set_agile);
-
-			dfs->dfs_precac_secondary_freq = ieee_freq;
-			dfs->dfs_precac_primary_freq = ch_freq_seg1;
-			/* Start the pre_cac_timer */
-			dfs_start_precac_timer(dfs,
-					       dfs->dfs_precac_secondary_freq);
-		} else {
-			dfs->dfs_precac_secondary_freq = 0;
-		} /* End of if(ieee_freq) */
-	} /* End of if(dfs_is_legacy_precac_enabled(dfs)) */
-}
-#endif
 
 /*
  * dfs_find_vht80_chan_for_precac_for_freq() - Find VHT80 channel for preCAC.
@@ -5565,7 +3745,6 @@
  * @dfs_set_cfreq2: Flag to indicate if cfreq2 is set.
  * @set_agile: Flag to set agile.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 void dfs_find_vht80_chan_for_precac_for_freq(struct wlan_dfs *dfs,
 					     uint32_t chan_mode,
 					     uint16_t cfreq_seg1_mhz,
@@ -5671,7 +3850,6 @@
 		} /* End of if(ieee_freq) */
 	} /* End of if(dfs_is_legacy_precac_enabled(dfs)) */
 }
-#endif
 
 void dfs_set_precac_enable(struct wlan_dfs *dfs, uint32_t value)
 {
@@ -5789,7 +3967,6 @@
  * @dfs: Pointer to wlan_dfs.
  * @freq: Channel frequency in MHZ.
  */
-#ifdef CONFIG_CHAN_FREQ_API
 int32_t dfs_set_precac_intermediate_chan(struct wlan_dfs *dfs, uint32_t freq)
 {
 	struct dfs_channel chan;
@@ -5825,65 +4002,17 @@
 
 	return 0;
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-int32_t dfs_set_precac_intermediate_chan(struct wlan_dfs *dfs, uint32_t value)
-{
-	struct dfs_channel chan;
-
-	qdf_mem_zero(&chan, sizeof(struct dfs_channel));
-	if (QDF_STATUS_SUCCESS !=
-	    dfs_mlme_find_dot11_channel(dfs->dfs_pdev_obj,
-					value, 0,
-					WLAN_PHYMODE_11AC_VHT80,
-					&chan.dfs_ch_freq,
-					&chan.dfs_ch_flags,
-					&chan.dfs_ch_flagext,
-					&chan.dfs_ch_ieee,
-					&chan.dfs_ch_vhtop_ch_freq_seg1,
-					&chan.dfs_ch_vhtop_ch_freq_seg2)) {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
-			"Intermediate channel not found");
-		return -EINVAL;
-	}
-
-	/*Intermediate channel should be non-DFS channel*/
-	if (!WLAN_IS_CHAN_DFS(&chan)) {
-		dfs->dfs_precac_inter_chan = value;
-	} else {
-		dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,  "intermediate channel %s",
-			(chan.dfs_ch_ieee == value) ?
-			"should not be DFS channel" : "is invalid");
-		dfs->dfs_precac_inter_chan = 0;
-		return -EINVAL;
-	}
-
-	return 0;
-}
 #endif
-#endif
-#endif
-
 /*
  * dfs_get_precac_intermediate_chan() - Get interCAC channel.
  * @dfs: Pointer to wlan_dfs.
  */
 #ifdef WLAN_DFS_PRECAC_AUTO_CHAN_SUPPORT
-#ifdef CONFIG_CHAN_FREQ_API
 uint32_t dfs_get_precac_intermediate_chan(struct wlan_dfs *dfs)
 {
 	return dfs->dfs_precac_inter_chan_freq;
 }
-#else
-#ifdef CONFIG_CHAN_NUM_API
-uint32_t dfs_get_precac_intermediate_chan(struct wlan_dfs *dfs)
-{
-	return dfs->dfs_precac_inter_chan;
-}
 #endif
-#endif
-#endif
-
 #ifdef QCA_SUPPORT_AGILE_DFS
 void dfs_reset_agile_config(struct dfs_soc_priv_obj *dfs_soc)
 {