wifi: rtw89: coex: Remove trace_step at COEX-MECH control structure for RTL8852C

RTL8852C don't need to send the data trace_step which used to tell
firmware how many TDMA steps should record. Remove the member.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220913092546.43722-7-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/fw.c

@@ -1719,6 +1719,7 @@ int rtw89_fw_h2c_cxdrv_role_v1(struct rtw89_dev *rtwdev)
 #define H2C_LEN_CXDRVINFO_CTRL (4 + H2C_LEN_CXDRVHDR)
 int rtw89_fw_h2c_cxdrv_ctrl(struct rtw89_dev *rtwdev)
 {
+	const struct rtw89_chip_info *chip = rtwdev->chip;
 	struct rtw89_btc *btc = &rtwdev->btc;
 	struct rtw89_btc_ctrl *ctrl = &btc->ctrl;
 	struct sk_buff *skb;
@@ -1738,7 +1739,8 @@ int rtw89_fw_h2c_cxdrv_ctrl(struct rtw89_dev *rtwdev)
 	RTW89_SET_FWCMD_CXCTRL_MANUAL(cmd, ctrl->manual);
 	RTW89_SET_FWCMD_CXCTRL_IGNORE_BT(cmd, ctrl->igno_bt);
 	RTW89_SET_FWCMD_CXCTRL_ALWAYS_FREERUN(cmd, ctrl->always_freerun);
-	RTW89_SET_FWCMD_CXCTRL_TRACE_STEP(cmd, ctrl->trace_step);
+	if (chip->chip_id == RTL8852A)
+		RTW89_SET_FWCMD_CXCTRL_TRACE_STEP(cmd, ctrl->trace_step);
 
 	rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
 			      H2C_CAT_OUTSRC, BTFC_SET,