[PPC] Boot problems after the pci-v6.18-changes

[Christian Zigotzky]

On 13 October 2025 at 05:02 pm, Christian Zigotzky wrote:
> On 13 October 2025 at 04:50 pm, Christian Zigotzky wrote:
>> On 13 October 2025 at 07:23 am, Christian Zigotzky wrote:
>>> Better for testing (All AMD graphics cards):
>>>
>>> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
>>> index 214ed060ca1b..e006b0560b39 100644
>>> --- a/drivers/pci/quirks.c
>>> +++ b/drivers/pci/quirks.c
>>> @@ -2525,6 +2525,15 @@ static void quirk_disable_aspm_l0s_l1(struct 
>>> pci_dev *dev)
>>> */
>>> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x1080, 
>>> quirk_disable_aspm_l0s_l1);
>>>
>>> +
>>> +static void quirk_disable_aspm_all(struct pci_dev *dev)
>>> +{
>>> +       pci_info(dev, "Disabling ASPM\n");
>>> +       pci_disable_link_state(dev, PCIE_LINK_STATE_ALL);
>>> +}
>>> +
>>> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, 
>>> quirk_disable_aspm_all);
>>> +
>>> /*
>>> * Some Pericom PCIe-to-PCI bridges in reverse mode need the PCIe 
>>> Retrain
>>> * Link bit cleared after starting the link retrain process to allow 
>>> this
>> This patch has solved the boot issue but I get the following error 
>> messages again and again:
>>
>> [  186.765644] pcieport 0001:00:00.0: AER: Correctable error message 
>> received from 0001:00:00.0 (no details found
>> [  187.789034] pcieport 0001:00:00.0: AER: Correctable error message 
>> received from 0001:00:00.0
>> [  187.789052] pcieport 0001:00:00.0: PCIe Bus Error: 
>> severity=Correctable, type=Data Link Layer, (Transmitter ID)
>> [  187.789058] pcieport 0001:00:00.0:   device [1957:0451] error 
>> status/mask=00001000/00002000
>> [  187.789066] pcieport 0001:00:00.0:    [12] Timeout
>> [  187.789120] pcieport 0001:00:00.0: AER: Correctable error message 
>> received from 0001:00:00.0 (no details found
>> [  187.789169] pcieport 0001:00:00.0: AER: Correctable error message 
>> received from 0001:00:00.0 (no details found
>> [  187.789218] pcieport 0001:00:00.0: AER: Correctable error message 
>> received from 0001:00:00.0 (no details found
>> [  188.812514] pcieport 0001:00:00.0: AER: Correctable error message 
>> received from 0001:00:00.0
>>
>> I don't get these messages with the revert patch. [1]
>>
>> -- Christian
>>
>> [1] 
>> https://github.com/chzigotzky/kernels/blob/main/patches/e5500/pci.patch
>>
>>
> 0001:00:00.0 PCI bridge: Freescale Semiconductor Inc Device 0451 (rev 21)
Solution?

+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_FSL, PCI_ANY_ID, 
quirk_disable_aspm_all);