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

[Christian Zigotzky]

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)