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wifi: rtw89: pci: add PCI Express error handling

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Sometimes PCIe Advanced Error Reporting(AER), like bad TLP or
Data link protocol error, happens due to unstable pci signal or
no response from PCI host.

  pcieport 0000:00:1c.0: AER: Uncorrected (Non-Fatal) error message received from 0000:01:00.0
  rtw89_8852be 0000:01:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester ID)
  rtw89_8852be 0000:01:00.0:   device [10ec:b852] error status/mask=00004000/00400000
  rtw89_8852be 0000:01:00.0:    [14] CmpltTO                (First)
  rtw89_8852be 0000:01:00.0: SER catches error: 0x4000
  pcieport 0000:00:1c.0: AER: device recovery successful
  rtw89_8852be 0000:01:00.0: FW backtrace invalid key: 0xbb6c3214
  ieee80211 phy0: Hardware restart was requested

Setup callback function to call SER function to reset driver to recover
from these states.

Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250523062711.27213-3-pkshih@realtek.com
This commit is contained in:
Chin-Yen Lee 2025-05-23 14:27:11 +08:00 • committed by Ping-Ke Shih
commit 16e3d93c61
8 changed files with 44 additions and 0 deletions
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