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Building the PCI EPF DMA test driver for Linux v6.9 is failing because the parameters for the pci_epf_alloc_space() function has been updated to pass the alignment value via the 'pci_epc_features' structure instead of passing the value directly. Instead of hard-coding the endpoint alignment in the EPF DMA test driver use the 'pcie_epc_get_features()' function to retrieve the endpoint features structure which has the endpoint alignment. By using the conftest script to detect the parameters for the pci_epf_alloc_space() function, we can then pass the appropriate arguments to the pci_epf_alloc_space() function. Bug 4471899 Change-Id: Id80259a4c90d6f6ae2132cccbec1a96113d22be7 Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3116548 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>