Messages in this thread | | | Date | Tue, 29 Nov 2022 09:28:47 +0100 | From | Neil Armstrong <> | Subject | Re: [PATCH v2 0/2] soc: qcom: Add support for Qualcomm Modem Processing SubSystem DSM memory |
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On 18/11/2022 09:53, Neil Armstrong wrote: > The Qualcomm SM8550 SoC Modem Processing SubSystem requires that a memory > region named DSM should be shared with the Application Processor SubSystem. > > This adds bindings for this MPSS DSM memory and driver implementation to > share this memory region with the Modem Processing SubSystem. > > The MPSS DSM memory must be shared between the APPS SubSystem and the MPSS > SubSystems, for the whole lifetime of the system. > > To: Andy Gross <agross@kernel.org> > To: Bjorn Andersson <andersson@kernel.org> > To: Konrad Dybcio <konrad.dybcio@somainline.org> > To: Rob Herring <robh+dt@kernel.org> > To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> > To: Frank Rowand <frowand.list@gmail.com> > Cc: linux-arm-msm@vger.kernel.org > Cc: devicetree@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> > > --- > Changes in v2: > - Fixed the bindings > - Added some precision on the MPSS DSM in commit messages > - Link to v1: https://lore.kernel.org/r/20221114-narmstrong-sm8550-upstream-mpss_dsm-v1-0-158dc2bb6e96@linaro.org > > --- > Neil Armstrong (2): > dt-bindings: reserved-memory: document Qualcomm MPSS DSM memory > soc: qcom: add MDSS DSM memory driver > > .../reserved-memory/qcom,mpss-dsm-mem.yaml | 37 +++++++++ > drivers/of/platform.c | 1 + > drivers/soc/qcom/Kconfig | 10 +++ > drivers/soc/qcom/Makefile | 1 + > drivers/soc/qcom/mpss_dsm_mem.c | 95 ++++++++++++++++++++++ > 5 files changed, 144 insertions(+) > --- > base-commit: 999e0145579c0e04174044a39257a4d96ee30020 > change-id: 20221114-narmstrong-sm8550-upstream-mpss_dsm-21c438c65f9b > > Best regards,
After discussions on https://lore.kernel.org/all/20221114-narmstrong-sm8550-upstream-mpss_dsm-v1-0-158dc2bb6e96@linaro.org/, handling of this memory zone will be integrated into the remoteproc PAS changes.
Neil
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