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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af91a076aecsm933342866b.9.2025.08.05.09.51.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 05 Aug 2025 09:51:48 -0700 (PDT) Message-ID: <5590fdab-0fa3-4ac0-bcbf-d2cb41be16dc@oss.qualcomm.com> Date: Tue, 5 Aug 2025 18:51:46 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] arm64: dts: qcom: sm8750: Add adsp fastrpc nodes/support To: Alexey Klimov , andersson@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, srini@kernel.org, quic_ekangupt@quicinc.com, krzysztof.kozlowski@linaro.org, dmitry.baryshkov@oss.qualcomm.com References: <20250805162041.47412-1-alexey.klimov@linaro.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250805162041.47412-1-alexey.klimov@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODA1MDExNiBTYWx0ZWRfX97guqnjsBA3S zn3fQuATYHuXjN3OIZ9GpTgS8oy/5vbpPuVF0Mczee7o2QvM7bIWLCLwDZisswHGg+LTofQPfaJ X4zwELjcNyfmyPrbyjIOU3gHUMbimICBrnczrHWnoFfnZce1SrH2X5evX8bDNjZ/CTY/a5jV+WB vAFyhoD1E2UHbW9kpSF/RsqqnwxUYQnihfnh1cuL73uu2u8Ysjj957X0C/6Fyvekqk2EDutXhcW tNP8Llv+nRW24bdfHwdgbFsaZKtP8u+D5O8Ul0d1//qeQBARXCQ156YIgn8FMGPOs0uLafoKu6H 7CFczCANMwzMbFo5bYcgyYr33pEbS3jnFwJ8CnRXnata8n3895oWxzLbuyqMxPGZjAZyK2Z/yUw N4fhXsCKjEVUw2edgptMLaJr6EZlsUtkXs50wVPBZiQlsYZEFxvk/7FYBlMEX9IkcEMj/lCx X-Proofpoint-GUID: VZqrzdAyAPMvohMQTvyc6_btToK95NFj X-Authority-Analysis: v=2.4 cv=LP1mQIW9 c=1 sm=1 tr=0 ts=689236a6 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=VwQbUJbxAAAA:8 a=KKAkSRfTAAAA:8 a=COk6AnOGAAAA:8 a=i5LmXQDNGShexaeZTkYA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 a=cvBusfyB2V15izCimMoJ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: VZqrzdAyAPMvohMQTvyc6_btToK95NFj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-05_04,2025-08-04_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 suspectscore=0 spamscore=0 impostorscore=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 bulkscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2508050116 On 8/5/25 6:20 PM, Alexey Klimov wrote: > While at this, also add required memory region for adsp fastrpc. > > Tested on sm8750-mtp device with adsprpdcd. > > Cc: Ekansh Gupta > Cc: Srinivas Kandagatla > Cc: Krzysztof Kozlowski > Signed-off-by: Alexey Klimov > --- > > v2: > - removed qcom,non-secure-domain flag as requested by Srini. > > Prev version: https://lore.kernel.org/linux-arm-msm/20250502011539.739937-1-alexey.klimov@linaro.org/ > > arch/arm64/boot/dts/qcom/sm8750.dtsi | 69 ++++++++++++++++++++++++++++ > 1 file changed, 69 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi > index 4643705021c6..cc74fb2e27de 100644 > --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi > +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi > @@ -7,6 +7,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -523,6 +524,14 @@ llcc_lpi_mem: llcc-lpi@ff800000 { > reg = <0x0 0xff800000 0x0 0x800000>; > no-map; > }; > + > + adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap { > + compatible = "shared-dma-pool"; > + alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>; perhaps size=<0x1 0x0> (1<<32) is what we really want, unless the hw/sw is allergic to accessing the very last byte in the 32-bit space Konrad