linux-kernel - [PATCH v2 0/3] dmaengine: Add support for immediate commands

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Message-Id: <20221027051429.46593-1-sireeshkodali1@gmail.com>
Date:   Thu, 27 Oct 2022 10:44:26 +0530
From:   Sireesh Kodali <sireeshkodali1@...il.com>
To:     vkoul@...nel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-arm-msm@...r.kernel.org
Cc:     dmaengine@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Sireesh Kodali <sireeshkodali1@...il.com>
Subject: [PATCH v2 0/3] dmaengine: Add support for immediate commands

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.

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