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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b842a563f73sm2305390866b.61.2026.01.13.06.28.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jan 2026 06:28:13 -0800 (PST) Message-ID: <14283f23-31cc-4bf8-9762-f0348c30618d@oss.qualcomm.com> Date: Tue, 13 Jan 2026 15:28:11 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/9] remoteproc: qcom_q6v5_wcss: add native ipq9574 support To: Alexandru Gagniuc , andersson@kernel.org, krzk+dt@kernel.org, mturquette@baylibre.com, linux-remoteproc@vger.kernel.org Cc: mathieu.poirier@linaro.org, robh@kernel.org, conor+dt@kernel.org, konradybcio@kernel.org, sboyd@kernel.org, p.zabel@pengutronix.de, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org References: <20260109043352.3072933-1-mr.nuke.me@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260109043352.3072933-1-mr.nuke.me@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: Jej2q2ZR5r68QinTaxDRcO2nhsKJvxTd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEzMDEyMSBTYWx0ZWRfXzEvTZWmQ+s4e ZF2bDQdzySGW4DKFnnwi6XyMG6DfaK43Jvcc1tttwb5qp9Ku4dNeI0Hwz6Skas+NvS6f6Bzom2D +LFo0RuD1z6nmOYlV12g4FPEmsFOi6U+oyMyvC5ZvqGY6N1X7+XHhO6U2RFHEYe9jKuk1l1Otwz 9LnFyXBTldIKalvE+GpTs9Mc3lngsG1B0qMZCEc8jq2aG7jc5UbWZbyf7wSB/9nlFOdvJLhZqzE GE4AwjWlQC5+f2yz43ZLV2/izjjXnp4rMjNDCY0zzNRPH+JZWVFzUPygL0k3VB9/gKa1nUAbopN BNO761VBEN5dQHNlKAXhbO76nro/+B+0eQjcaSvfXDqw7kQQ1lH7YQYPD+pwf9QFUJin9sBrius sEuZgIth3tmLN9FGk2pUHkAt8SQ/UWCzvdXlAVEhjYnqji08XBdS+cTMArF7+QA6v/GlDplJWyf 4FV3be7c9/31rFLmpug== X-Authority-Analysis: v=2.4 cv=RMu+3oi+ c=1 sm=1 tr=0 ts=6966567f cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=9AGPOYKhFRli6DSTmn4A:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: Jej2q2ZR5r68QinTaxDRcO2nhsKJvxTd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-13_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 impostorscore=0 suspectscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601130121 On 1/9/26 5:33 AM, Alexandru Gagniuc wrote: > Support loading remoteproc firmware on IPQ9574 with the qcom_q6v5_wcss > driver. This firmware is usually used to run ath11k firmware and enable > wifi with chips such as QCN5024. > > When submitting v1, I learned that the firmware can also be loaded by > the trustzone firmware. Since TZ is not shipped with the kernel, it > makes sense to have the option of a native init sequence, as not all > devices come with the latest TZ firmware. > > Qualcomm tries to assure us that the TZ firmware will always do the > right thing (TM), but I am not fully convinced Why else do you think it's there in the firmware? :( Konrad