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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ba451210e54sm777016766b.9.2026.04.24.04.38.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Apr 2026 04:38:30 -0700 (PDT) Message-ID: <74c5344d-93e9-4842-9704-9d0c4a608d5a@oss.qualcomm.com> Date: Fri, 24 Apr 2026 13:38:28 +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 06/12] arm64: dts: qcom: qcs6490-radxa-dragon-q6a: Drop QSPI node and reserve its pins To: Xilin Wu , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov , Liam Girdwood , Mark Brown , Judy Hsiao Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-sound@vger.kernel.org References: <20260407-dragon-q6a-feat-fixes-v1-0-14aca49dde3d@radxa.com> <20260407-dragon-q6a-feat-fixes-v1-6-14aca49dde3d@radxa.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260407-dragon-q6a-feat-fixes-v1-6-14aca49dde3d@radxa.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: RnWpZtnxPZSyKMNGjcI4r4-sOVMWQtOz X-Authority-Analysis: v=2.4 cv=VOjtWdPX c=1 sm=1 tr=0 ts=69eb5638 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=ksxQWNrZAAAA:8 a=EUspDBNiAAAA:8 a=VmJRAYmLPqqtz3Wu46cA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=zZCYzV9kfG8A:10 a=OIgjcC2v60KrkQgK7BGD:22 a=l7WU34MJF0Z5EO9KEJC3:22 X-Proofpoint-ORIG-GUID: RnWpZtnxPZSyKMNGjcI4r4-sOVMWQtOz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI0MDExMSBTYWx0ZWRfX4dtH65r55Hea Hp8Hf+QwCnJ3d79WWQZUfXQ5ib2JBPJGForJsNuaLHH3nHTMNaTLELzUsyiqNrzdSkSg8Z4XZdG MobZUVZD5vxPVwUXhlCox8pg3CgNdqFnpMLfMntEqXxAoVB/gRj4U1Rdnn63HX1Paqpv1SIIyaA YTmeJRJE9ncgXK7FwmjIb2OBD0zq0V8iWo/RX+QyTIVz+38uzSUrsMhYxhDc7rEv9hEoRlelI45 QmGTBCsSfNW77Z1Cu37CSKUAYkOCwSTjCQVLXo8Fq7jWGOv4BzE4m9QEmqJwueIZm3550kJyGaL cLGwN7T6luNozys5nyr5LcYSk8LnTAPJmcAtYllAeeaCTzl/f4zQ+2zDXRJ6essIw6lggzjjGQD KTUHk3FlRiDneM1gPRb2aSRon48vU+amBdGrVlKJEDfVjywRk8RQUb6GwEgEEIi21RXXswfY6nQ +nMKfsFYAweLXxQS8Vg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-23_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 impostorscore=0 spamscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 malwarescore=0 clxscore=1015 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604240111 On 4/7/26 5:19 PM, Xilin Wu wrote: > The latest official boot firmware configures TrustZone to restrict > direct access to the QSPI controller. Any attempt to access it from > the non-secure world causes an immediate board reset. > > Remove the QSPI flash node and its associated pinctrl states, mark > GPIOs 12-17 as reserved, and protect the QSPI clocks in the GCC > node to prevent the kernel from touching this hardware. > > Signed-off-by: Xilin Wu > --- If you're going to stay with that flavor of firmware going forward: Reviewed-by: Konrad Dybcio Konrad