CONFIG_8260_PCI9_IDMA3 is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc
default or selected kernelversion does not have config value CONFIG_8260_PCI9_IDMA3.
Result is shown for kernelversion 6.2.5

IDMA3

configname: CONFIG_8260_PCI9_IDMA3

IDMA channel for PCI 9 workaround
└─>IDMA3
In linux kernel since version 2.6.15 (release Date: 2006-01-02)