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PCI: tegra194: Set EP alignment restriction for inbound ATU

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Tegra194 and Tegra234 PCIe EP controllers have 64K alignment restriction
for the inbound ATU. Set the endpoint inbound ATU alignment to 64kB in the
Tegra194 PCIe driver.

Fixes: c57247f940 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
Suggested-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Link: https://lore.kernel.org/linux-pci/20240508092207.337063-1-jonathanh@nvidia.com
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
This commit is contained in:
Jon Hunter 2024-05-08 10:22:07 +01:00 committed by Bjorn Helgaas
parent 1613e604df
commit d19a86d584
1 changed files with 1 additions and 0 deletions
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drivers/pci/controller/dwc/pcie-tegra194.c
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@ -2015,6 +2015,7 @@ static const struct pci_epc_features tegra_pcie_epc_features = {
.bar[BAR_3] = { .type = BAR_RESERVED, },
.bar[BAR_4] = { .type = BAR_RESERVED, },
.bar[BAR_5] = { .type = BAR_RESERVED, },
.align = SZ_64K,
};
static const struct pci_epc_features*