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wifi: rtw88: 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 0000:00:00.0: AER: Multiple Corrected error message received from 0000:00:00.0
  pcieport 0000:00:00.0: AER: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID)
  pcieport 0000:00:00.0: AER:   device [14c3:6786] error status/mask=000000c1/00006000
  pcieport 0000:00:00.0: AER:    [ 0] RxErr                  (First)
  pcieport 0000:00:00.0: AER:    [ 6] BadTLP
  pcieport 0000:00:00.0: AER:    [ 7] BadDLLP
  pcieport 0000:00:00.0: AER: Corrected error message received from 0000:00:00.0
  pcieport 0000:00:00.0: AER: found no error details for 0000:00:00.0
  pcieport 0000:00:00.0: AER: Multiple Corrected error message received from 0000:00:00.0
  pcieport 0000:00:00.0: AER: found no error details for 0000:00:00.0
  pcieport 0000:00:00.0: AER: Multiple Corrected error message received from 0000:00:00.0
  pcieport 0000:00:00.0: AER: found no error details for 0000:00:00.0

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/20250523062711.27213-2-pkshih@realtek.com
This commit is contained in:
Chin-Yen Lee 2025-05-23 14:27:10 +08:00 • committed by Ping-Ke Shih
commit cdb82c80b9
7 changed files with 43 additions and 0 deletions
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