default or selected kernelversion does not have config value CONFIG_ALTERA_PCIE_CHDMA.
Result is shown for kernelversion 5.4.194
Altera PCI Express Chaining DMA driver
modulename: altpciechdma.ko
configname: CONFIG_ALTERA_PCIE_CHDMA
Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Altera PCI Express Chaining DMA driver
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
A reference driver that exercises the Chaining DMA logic reference
design generated along the Altera FPGA PCI Express soft or hard core,
only if instantiated using the MegaWizard, not the SOPC builder, of
Quartus 8.1.
design generated along the Altera FPGA PCI Express soft or hard core,
only if instantiated using the MegaWizard, not the SOPC builder, of
Quartus 8.1.