bam_chan_init_hw(9)
β¨ bam_chan_init_hw β Kernel API Manual β¨
okay bestie, so you know how the kernel has a whole pile of manual pages and some of them are literally just "here's a function, here's what it does"? This is one of those, and it lives in the bam_chan_init_hw(9) section of the kernel docs. Very demure, very mindful. Let's get into it π
π NAME π
bam_chan_init_hw β the one that initializes channel hardware. That's it, that's the vibe. β¨
π¦ SYNOPSIS π¦
void bam_chan_init_hw (struct bam_chan *bchan , enum
dma_transfer_direction dir );
literally just two args, no cap. look at her go π«Ά
πΈ ARGUMENTS πΈ
bchanβ your bam channel, the main character of this whole operation πdirβ the DMA transfer direction, i.e. which way the data is going, bestie π
π DESCRIPTION π
so what does she do? It resets and initializes the BAM channel. That's the whole thing. reset first, then init β she's thorough like that. periodt. π₯
ngl it's a short one, but every good glow-up starts with a reset, right? π
π₯ SEE ALSO π₯
Kernel file ./drivers/dma/qcom/bam_dma.c β go read it, iykyk π β plus these icons:
bam_addr(9)bam_reset(9)bam_reset_channel(9)bam_alloc_chan(9)bam_free_chan(9)bam_slave_config(9)bam_prep_slave_sg(9)bam_dma_terminate_all(9)bam_pause(9)bam_resume(9)process_channel_irqs(9)bam_dma_irq(9)bam_tx_status(9)bam_apply_new_config(9)bam_start_dma(9)dma_tasklet(9)bam_issue_pending(9)bam_dma_free_desc(9)bam_init(9)
and that's the page, bestie π§ this little cutie comes from ./drivers/dma/qcom and it's dated October 2026 β so yeah, mark your calendar and stan responsibly πππΈ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms