On 27-10-22, 10:44, Sireesh Kodali wrote: > The IPA v2.x block, found on some older Qualcomm SoCs, uses BAM DMA to > send and receive packets from the AP. It also uses BAM to receive > commands from the AP (and possibly the modem). These commands are > encoded as "Immediate Commands". They vary from regular BAM DMA > commands. Adding support for immediate commands is trivial, but requires > also adding Immediate Commands to the dmaengine API, which is what this > patch series does. Can you explain a bit more. I understand you need "Immediate Commands" but am really reluctant to add another interface to support a specific use case > > Sireesh Kodali (3): > doc: dmaengine: client-api: Add immediate commands in the DMA client > API > dmaengine: Add support for immediate commands in the client API > dmaengine: bam_dma: Add support for immediate commands > > Documentation/driver-api/dmaengine/provider.rst | 10 ++++++++++ > drivers/dma/qcom/bam_dma.c | 3 +++ > include/linux/dmaengine.h | 4 ++++ > 3 files changed, 17 insertions(+) > > -- > 2.38.1 -- ~Vinod
