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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8dbf2ed584sm1018869666b.61.2026.02.03.01.55.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Feb 2026 01:55:23 -0800 (PST) Message-ID: <776a83ea-5739-4ea9-962e-c14ed822cc6e@oss.qualcomm.com> Date: Tue, 3 Feb 2026 10:55:20 +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 v2 2/3] arm64: dts: qcom: hamoa: enable ETR and CTCU devices To: Jie Gan , Suzuki K Poulose , Mike Leach , James Clark , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang , Bjorn Andersson , Konrad Dybcio Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260203-enable-ctcu-and-etr-v2-0-aacc7bd7eccb@oss.qualcomm.com> <20260203-enable-ctcu-and-etr-v2-2-aacc7bd7eccb@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAzMDA3OCBTYWx0ZWRfX91tIRG/AV+a7 QDOcIdexFZvkBbc1Wjf9W8+eCxgi3rUhQBpOZmiFmnEYf9G7lqv+1cUKN3vBr55Rk58d6b2cRqI 5QrXMSiNpP2Gk0/x+YA8iPs8EB3ooYzsY/srDzLXWHBxekPli6114Yjc81p0PzsmVkCiNnp382s 7+1ULLJp8vnfx0C6g7Z2eOhKMAG9U8APPmF5RRVLRiGYpDB1JPWJKCJs6vVNWPQ3nGh2Rg4thSk BsTRj98rJtE3Cer8b9dmZ9+ucRCmYeSuM5oQMrbB1QxUC2PaiYoSbZycNO/166u6yzXuxflyZJe innpDLUUdupFLduiL2rsvnYKi1m1GZNQEr+SDheeojGcnwoHso9AZoWWkMApAALSpWaUWbFehHi rOsLbwpXwdH2FVBORt5eyNiduNAp50SBuBxX63eQin+dpMAxL4y26nCfWlBQFAdVp+Fs34ZQ2hE HiPGS1+iH7i2fdI+K2w== X-Proofpoint-ORIG-GUID: lllCbEGEk8oobYG0IH724V8HIJDbltML X-Authority-Analysis: v=2.4 cv=L4sQguT8 c=1 sm=1 tr=0 ts=6981c60d cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=WGD1OUi62yeOWj14Vj4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: lllCbEGEk8oobYG0IH724V8HIJDbltML X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-03_03,2026-02-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 malwarescore=0 spamscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602030078 On 2/3/26 10:50 AM, Jie Gan wrote: > > > On 2/3/2026 5:44 PM, Konrad Dybcio wrote: >> On 2/3/26 10:32 AM, Jie Gan wrote: >>> Embedded Trace Router(ETR) is working as a DDR memory sink to collect >>> tracing data from source device. >>> >>> The CTCU serves as the control unit for the ETR device, managing its >>> behavior to determine how trace data is collected. >>> >>> Reviewed-by: Konrad Dybcio >>> Signed-off-by: Jie Gan >>> --- >>>   arch/arm64/boot/dts/qcom/hamoa.dtsi | 160 +++++++++++++++++++++++++++++++++++- >>>   1 file changed, 159 insertions(+), 1 deletion(-) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi >>> index db65c392e618..88ec29446ba1 100644 >>> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi >>> @@ -6771,6 +6771,35 @@ data-pins { >>>               }; >>>           }; >>>   +        ctcu@10001000 { >>> +            compatible = "qcom,hamoa-ctcu", "qcom,sa8775p-ctcu"; >> >> Sorry for not pointing that out explicitly the previous time around, >> but 'hamoa' also falls under the "had numerical compatibles" category > > I saw the dtsi is renamed to hamoa.dtsi but we still need to use qcom,x1e80100 for hamoa? Preferably, yes, so that all compatibles for a given SoC are ""namespaced"" consistently Konrad