Thread (8 messages) flat view 8 messages, 3 authors, 9d ago
COOLING9d

[PATCH v2 0/3] SM8450 IPA support

From: Esteban Urrutia <hidden>
Date: 2026-09-09 03:10:58
Also in: linux-arm-msm, linux-devicetree, lkml, phone-devel

This series has been tested on the following SoCs:
- SM7475
- SM8450
- SM8475
In these the modem works as expected and no crashes occur.

Signed-off-by: Esteban Urrutia <redacted>
---
Changes in v2:
- Add missing resource limits for DMA and QDSS source groups.
  - These are marked as unused downstream, but still have values written
  to them.
- Add Nazar as a co-developer.
  - We developed independent implementations and are both working on
  this series.
- Add the IPA_MEM_MODEM_STATS_DROP memory region.
- Pick tags.
- Rebase against linux-next.
- Remove comment in driver stating smem_size differences.
  For both SM8450 and SM8475 SoCs:
  - All devices based on these SoCs use an smem_size of 0x9000. [1]
  - Specifying an smem_size of 0xb000 causes the modem to assert a
  shared memory allocation failure. [2]
- Remove overlapping optional memory regions.
  - No comments from anyone regarding these, so remove them.
- Reorder patches. (Dmitry, Krzysztof)
- Sort iommus property in DT. (Krzysztof)
- Specify actual IMEM base and size in DT. (Konrad)
- Update commit messages and cover letter.
- Link to v1: https://patch.msgid.link/20260622-sm8450-ipa-v1-0-532f0299f96e@proton.me

[1] https://github.com/sm8450-mainline/fdt
[2] https://github.com/dopaemon/android_kernel_xiaomi_sm8450-devicetrees/commit/0cff0b070363fb9a312ba6e66244898013e7038f

To: Andrew Lunn <andrew+netdev@lunn.ch>
To: "David S. Miller" <davem@davemloft.net>
To: Eric Dumazet <edumazet@google.com>
To: Jakub Kicinski <kuba@kernel.org>
To: Paolo Abeni <pabeni@redhat.com>
To: Rob Herring <robh@kernel.org>
To: Krzysztof Kozlowski <krzk+dt@kernel.org>
To: Conor Dooley <conor+dt@kernel.org>
To: Alex Elder <elder@kernel.org>
To: Bjorn Andersson <andersson@kernel.org>
To: Konrad Dybcio <konradybcio@kernel.org>
Cc: Nazar Kompanets <redacted>
Cc: linux-arm-msm@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: phone-devel@vger.kernel.org

---
Esteban Urrutia (3):
      dt-bindings: net: qcom,ipa: Add SM8450 compatible
      net: ipa: Add IPA v5.1 configuration data
      arm64: dts: qcom: sm8450: Add IPA node

 .../devicetree/bindings/net/qcom,ipa.yaml          |   1 +
 arch/arm64/boot/dts/qcom/sm8450.dtsi               |  59 ++-
 drivers/net/ipa/Makefile                           |   2 +-
 drivers/net/ipa/data/ipa_data-v5.1.c               | 476 +++++++++++++++++++++
 drivers/net/ipa/gsi_reg.c                          |   1 +
 drivers/net/ipa/ipa_data.h                         |   1 +
 drivers/net/ipa/ipa_main.c                         |   4 +
 drivers/net/ipa/ipa_reg.c                          |   1 +
 8 files changed, 537 insertions(+), 8 deletions(-)
---
base-commit: a9d7ced84989ec05be09b4b8428759ef60450a0f
change-id: 20260908-sm8450-ipa-4dfc931c8ce0

Best regards,
--  
Esteban Urrutia [off-list ref]

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