Messages in this thread Patch in this message | | | From | Rick Wertenbroek <> | Subject | [PATCH v4 11/11] PCI: rockchip: Set address alignment for endpoint mode | Date | Mon, 17 Apr 2023 11:26:29 +0200 |
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From: Damien Le Moal <dlemoal@kernel.org>
The address translation unit of the rockchip EP controller does not use the lower 8 bits of a PCIe-space address to map local memory. Thus we must set the align feature field to 256 to let the user know about this constraint.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org> --- drivers/pci/controller/pcie-rockchip-ep.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index edfced311a9f..0af0e965fb57 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -442,6 +442,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features = { .linkup_notifier = false, .msi_capable = true, .msix_capable = false, + .align = 256, }; static const struct pci_epc_features* -- 2.25.1
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