[SRU] [L] [PATCH 0/1] Fix non-working MT7921e when pre-boot WiFi is enabled

Kai-Heng Feng kai.heng.feng at canonical.com
Wed Aug 23 02:25:22 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/2026322 

[Impact]
When "pre-boot WiFi" is enabled in UEFI, MT7921e WiFi doesn't work under
Linux.

[Fix]
Reset the device earlier at the probing process.

[Test]
With the patch applied, WiFi always works regardless of pre-boot WiFi is
toggled or not.

[Where problems could occur]
Probe routine might fail one some other corner cases. The commit sits in
OEM-6.1 for quite a while and no regression has been found.

Quan Zhou (1):
  wifi: mt76: mt7921e: fix init command fail with enabled device

 drivers/net/wireless/mediatek/mt76/mt7921/dma.c | 4 ----
 drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 8 --------
 drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 8 ++++++++
 3 files changed, 8 insertions(+), 12 deletions(-)

-- 
2.34.1




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