[PATCH v2 1/9] wifi: rtw88: Fix __rtw_download_firmware() for RTL8814AU

[Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>]

Don't call ltecoex_read_reg() and ltecoex_reg_write() when the
ltecoex_addr member of struct rtw_chip_info is NULL. The RTL8814AU
doesn't have this feature.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx>
---
v2:
 - No change.
---
 drivers/net/wireless/realtek/rtw88/mac.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index cae9cca6dca3..63edf6461de8 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -784,7 +784,8 @@ static int __rtw_download_firmware(struct rtw_dev *rtwdev,
 	if (!check_firmware_size(data, size))
 		return -EINVAL;
 
-	if (!ltecoex_read_reg(rtwdev, 0x38, &ltecoex_bckp))
+	if (rtwdev->chip->ltecoex_addr &&
+	    !ltecoex_read_reg(rtwdev, 0x38, &ltecoex_bckp))
 		return -EBUSY;
 
 	wlan_cpu_enable(rtwdev, false);
@@ -802,7 +803,8 @@ static int __rtw_download_firmware(struct rtw_dev *rtwdev,
 
 	wlan_cpu_enable(rtwdev, true);
 
-	if (!ltecoex_reg_write(rtwdev, 0x38, ltecoex_bckp)) {
+	if (rtwdev->chip->ltecoex_addr &&
+	    !ltecoex_reg_write(rtwdev, 0x38, ltecoex_bckp)) {
 		ret = -EBUSY;
 		goto dlfw_fail;
 	}
-- 
2.48.1