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wifi: rtw88: Fix __rtw_download_firmware() for RTL8814AU

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[ Upstream commit 8425f5c8f04dbcf11ade78f984a494fc0b90e7a0 ]

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@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/55b5641f-094e-4f94-9f79-ac053733f2cf@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Bitterblue Smith
2025-02-04 20:36:56 +02:00
committed by Greg Kroah-Hartman
parent 0b660a7f29
commit ba02bb3a01
1 changed files with 4 additions and 2 deletions
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6
drivers/net/wireless/realtek/rtw88/mac.c
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@@ -783,7 +783,8 @@ static int __rtw_download_firmware(struct rtw_dev *rtwdev,
if (!check_firmware_size(data, size)) if (!check_firmware_size(data, size))
return -EINVAL; return -EINVAL;
if (!ltecoex_read_reg(rtwdev, 0x38, &ltecoex_bckp)) if (rtwdev->chip->ltecoex_addr &&
!ltecoex_read_reg(rtwdev, 0x38, &ltecoex_bckp))
return -EBUSY; return -EBUSY;
wlan_cpu_enable(rtwdev, false); wlan_cpu_enable(rtwdev, false);
@@ -801,7 +802,8 @@ static int __rtw_download_firmware(struct rtw_dev *rtwdev,
wlan_cpu_enable(rtwdev, true); 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; ret = -EBUSY;
goto dlfw_fail; goto dlfw_fail;
} }