[202405][PCI/ASPM] Revert commit 456d8aa to avoid kernel panics in 6.1.94
#453
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…sonic-net#448) * Reverting 456d8aa to avoid kernel panics in 6.1.94 For certain pci tree structures involving pci devices with sibling functions we can get a nullptr dereference when the link state goes down due to this change. Fixing: sonic-net/sonic-buildimage#20901 Reverting: torvalds/linux@456d8aa Upstream Discussion: https://lore.kernel.org/linux-pci/20240801171103.GA107989@bhelgaas/T/#t * Adding upstream discussion link and summary in patch
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bingwang-ms
approved these changes
Jan 9, 2025
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Manual cherry-pick of #448 to the 202405 branch.
For certain pci tree structures involving pci devices with sibling functions we can get a nullptr dereference when the link state goes down due to this change.
Fixing: sonic-net/sonic-buildimage#20901
Reverting: torvalds/linux@456d8aa
Upstream Discussion: https://lore.kernel.org/linux-pci/20240801171103.GA107989@bhelgaas/T/#t