> > > The spi controller on discreet graphics card is not visible to user-space. > > Spi access flows are supported by another hardware module and relevant > registers are > > available on graphics device memory bar. > > No SPI controllers are directly visible to userspace, some SPI devices > are selectively exposed but that needs to be explicitly requested and is > generally discouraged. What are the options here? Explicitly request exception is the one. Any other way to add access to flash memory connected in such way? -- Thanks, Sasha