[PATCH v2 0/3] SM8450 IPA support
From: Esteban Urrutia
Date: Tue Sep 08 2026 - 23:12:54 EST
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 <esteuwu@xxxxxxxxx>
---
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@xxxxxxxxx
[1] https://github.com/sm8450-mainline/fdt
[2] https://github.com/dopaemon/android_kernel_xiaomi_sm8450-devicetrees/commit/0cff0b070363fb9a312ba6e66244898013e7038f
To: Andrew Lunn <andrew+netdev@xxxxxxx>
To: "David S. Miller" <davem@xxxxxxxxxxxxx>
To: Eric Dumazet <edumazet@xxxxxxxxxx>
To: Jakub Kicinski <kuba@xxxxxxxxxx>
To: Paolo Abeni <pabeni@xxxxxxxxxx>
To: Rob Herring <robh@xxxxxxxxxx>
To: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
To: Conor Dooley <conor+dt@xxxxxxxxxx>
To: Alex Elder <elder@xxxxxxxxxx>
To: Bjorn Andersson <andersson@xxxxxxxxxx>
To: Konrad Dybcio <konradybcio@xxxxxxxxxx>
Cc: Nazar Kompanets <xlie7669@xxxxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: phone-devel@xxxxxxxxxxxxxxx
---
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 <esteuwu@xxxxxxxxx>