On Tue, 17 Mar 2026 at 06:37, Krzysztof Kozlowski
<krzysztof.kozlowski@oss.qualcomm.com> wrote:
>
> This got acks from Mathieu (remoteproc) and Mark (audio), so can we
> funnel everything via Qualcomm remoteproc tree?
>
I'm good with that.
> Dependencies / merging
> ======================
> Entire patchset is one logical chain, all further patches depend on
> previous ones, thus everything should be taken via same tree or shared
> between trees with tags. Probably everything should go via ASoC with
> necessary acks.
>
> Changes in v3:
> - Subject fixes (Angelo)
> - Tags
> - Link to v2: https://patch.msgid.link/20260310-rpmsg-send-const-v2-0-0e94c5db9bf4@oss.qualcomm.com
>
> Changes in v2:
> - New patch #5: media: platform: mtk-mdp3: Constify buffer passed to mdp_vpu_sendmsg()
> - Rebase, add acks.
> - Link to v1: https://patch.msgid.link/20251130-rpmsg-send-const-v1-0-cb11c7e0a024@oss.qualcomm.com
>
> Description
> ===========
> The remoteproc and rpmsg send-like functions should not modify data
> being sent, so buffer should be marked as pointer to const. This is not
> only self-documenting code but actually increases the actual safety and
> clearly documents who is the owner of passed buffer.
>
> Best regards,
> Krzysztof
>
> ---
> Krzysztof Kozlowski (5):
> remoteproc: mtk_scp_ipi: Constify buffer passed to scp_ipi_send()
> remoteproc: mtk_scp: Constify buffer passed to scp_send_ipi()
> rpmsg: Constify buffer passed to send API
> ASoC: qcom:: Constify GPR packet being send over GPR interface
> media: platform: mtk-mdp3: Constify buffer passed to mdp_vpu_sendmsg()
>
> .../media/platform/mediatek/mdp3/mtk-mdp3-vpu.c | 2 +-
> drivers/remoteproc/mtk_scp.c | 2 +-
> drivers/remoteproc/mtk_scp_ipi.c | 2 +-
> drivers/rpmsg/mtk_rpmsg.c | 4 ++--
> drivers/rpmsg/qcom_glink_native.c | 13 +++++++-----
> drivers/rpmsg/qcom_smd.c | 10 +++++----
> drivers/rpmsg/rpmsg_core.c | 8 ++++----
> drivers/rpmsg/rpmsg_internal.h | 8 ++++----
> drivers/rpmsg/virtio_rpmsg_bus.c | 24 ++++++++++++----------
> drivers/soc/qcom/apr.c | 8 ++++----
> include/linux/remoteproc/mtk_scp.h | 2 +-
> include/linux/rpmsg.h | 17 +++++++--------
> include/linux/rpmsg/mtk_rpmsg.h | 2 +-
> include/linux/soc/qcom/apr.h | 4 ++--
> sound/soc/qcom/qdsp6/audioreach.c | 6 +++---
> sound/soc/qcom/qdsp6/audioreach.h | 4 ++--
> sound/soc/qcom/qdsp6/q6apm.c | 3 ++-
> sound/soc/qcom/qdsp6/q6apm.h | 2 +-
> 18 files changed, 65 insertions(+), 56 deletions(-)
> ---
> base-commit: 2360a9a195d2eae6f7d0cac2cbe920ae8a06c54f
> change-id: 20251130-rpmsg-send-const-ae216a1fbd8f
>
> Best regards,
> --
> Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
>