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[SRU,U/O,0/1] rtw89: reset IDMEM mode to prevent download firmware failure

Message ID 20240820074008.104993-1-en-wei.wu@canonical.com
Headers show
Series rtw89: reset IDMEM mode to prevent download firmware failure | expand

Message

En-Wei Wu Aug. 20, 2024, 7:40 a.m. UTC 
BugLink: https://bugs.launchpad.net/bugs/2077396

SRU Justification:

[Impact]
After reboot from UEFI HTTPs boot, RTL8851BE wifi were not working due to the firmware download fail.

[Fix]
Backport the Realtek patch from linux-next:

80fb81bb46a5 wifi: rtw89: 885xb: reset IDMEM mode to prevent download firmware failure

[Test Plan]
1. Install Ubuntu image and boot into the OS，then power off system.
2. power on SUT, press F12 to choose UEFI HTTPs Boot.
3. wait 10 seconds and when see the available wireless networks，press Ctrl+Alt+Delete
4. Boot to OS, check if the WiFi function works

[Where problems could occur]
May cause regression.

Ping-Ke Shih (1):
  wifi: rtw89: 885xb: reset IDMEM mode to prevent download firmware
    failure

 drivers/net/wireless/realtek/rtw89/mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)