Re: [PATCH 1/1] PCI: qcom: Add early fixup to set the max payload size for IPQ9574

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On 7/24/2023 6:23 PM, Konrad Dybcio wrote:
On 24.07.2023 14:47, Praveenkumar I wrote:
Set 256 bytes as payload size for IPQ9574 via early fixup. This allows
PCIe RC to use the max payload size when a capable link partner is
connected.

Signed-off-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx>
---
[...]

+static void qcom_fixup_mps_256(struct pci_dev *dev)
+{
+	pcie_set_mps(dev, 256);
Looks like setting "dev->pcie_mpss = 1" here would make the PCIe generic
code take care of this.
Yes, but that is not helping as the generic code pci_configure_mps() has a check for,
/         if (!bridge || !pci_is_pcie(bridge))/
/            return;/
/Here it is returning and mps is not set to new 256 bytes./

Konrad
--
Thanks,
Praveenkumar



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