knav_dma_open_channel(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

✨ NAME ✨

okay so this is knav_dma_open_channel(9) from the Kernel API Manual, and it's giving β€œtry to setup an exclusive slave channel” energy πŸ’…. Like, the whole mission is attempting to set up an exclusive slave channel, and that's iconic.


🌸 SYNOPSIS 🌸

void * knav_dma_open_channel (struct device *dev , const char *name ,
       struct knav_dma_cfg *config );

πŸŽ€ ARGUMENTS πŸŽ€

  • dev β€” pointer to client device structure, aka the device struct doing the asking 🫢
  • name β€” slave channel name, literally the name of the channel you're eyeing πŸ‘‘
  • config β€” dma configuration parameters, so the config struct with the DMA settings ⭐

πŸ¦‹ RETURN πŸ¦‹

On success, you get a pointer to the appropriate DMA channel πŸ”₯. On error, it's NULL, bestie β€” that's the signal 😭. No cap.


🌈 SEE ALSO 🌈

  • Kernel file ./drivers/soc/ti/knav_dma.c β€” the source file, iykyk πŸ“
  • knav_dma_close_channel(9) β€” the close-channel reference, right there in the see-also lineup πŸ’œ

bye bestie πŸ’– β€” this page's source/version is ./drivers/soc/ti, dated October 2026, and that's periodt πŸŽ€

πŸ“¦ where this page comes from