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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5d806fedaf9sm1053356a12.56.2024.12.19.13.25.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Dec 2024 13:25:31 -0800 (PST) Message-ID: <2b4adb2d-29f5-459b-bd85-d5d12876f7eb@oss.qualcomm.com> Date: Thu, 19 Dec 2024 22:25:29 +0100 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] arm64: dts: qcom: sa8775p: fix the secure device bootup issue To: Jie Gan , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tingwei Zhang , Jinlong Mao References: <20241219025216.3463527-1-quic_jiegan@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20241219025216.3463527-1-quic_jiegan@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 9UtuKXkyJLvL6TrsNLdN13WcY9UzBLMS X-Proofpoint-ORIG-GUID: 9UtuKXkyJLvL6TrsNLdN13WcY9UzBLMS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1015 mlxscore=0 phishscore=0 adultscore=0 priorityscore=1501 bulkscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=819 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412190169 On 19.12.2024 3:52 AM, Jie Gan wrote: > The secure device(fused) cannot bootup with TPDM_DCC device. So > disable it in DT. > > Fixes: 6596118ccdcd ("arm64: dts: qcom: Add coresight nodes for SA8775p") > Signed-off-by: Jie Gan > --- I was thinking, is there a QFPROM fuse we could read on both secure and non-secure devices to determine whether all coresight components will be accessible, and enable them based on that information? Konrad