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wifi: rtw88: Fix USB/SDIO devices not transmitting beacons

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commit faa2e484b3 upstream.

All USB devices supported by rtw88 have the same problem: they don't
transmit beacons in AP mode. (Some?) SDIO devices are also affected.
The cause appears to be clearing BIT_EN_BCNQ_DL of REG_FWHW_TXQ_CTRL
before uploading the beacon reserved page, so don't clear the bit for
USB and SDIO devices.

Tested with RTL8811CU and RTL8723DU.

Cc: <stable@vger.kernel.org> # 6.6.x
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/49de73b5-698f-4865-ab63-100e28dfc4a1@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bitterblue Smith 2024-08-21 16:11:03 +03:00 committed by Greg Kroah-Hartman
parent 9ecd9d7ad7
commit d71300d07f
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/net/wireless/realtek/rtw88/fw.c
View File

@ -1388,10 +1388,12 @@ int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
val |= BIT_ENSWBCN >> 8;
rtw_write8(rtwdev, REG_CR + 1, val);
val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
bckp[1] = val;
val &= ~(BIT_EN_BCNQ_DL >> 16);
rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE) {
val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
bckp[1] = val;
val &= ~(BIT_EN_BCNQ_DL >> 16);
rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
}
ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
if (ret) {
@ -1416,7 +1418,8 @@ restore:
rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
rsvd_pg_head | BIT_BCN_VALID_V1);
rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE)
rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
return ret;