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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-67237d789a9sm1348465a12.3.2026.04.16.06.49.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Apr 2026 06:49:37 -0700 (PDT) Message-ID: <00e40481-9e62-437e-ac75-a04594ef6879@oss.qualcomm.com> Date: Thu, 16 Apr 2026 15:49:33 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 03/10] mfd: qcom_rpm: add msm8960 QDSS clock resource To: Antony Kurniawan Soemardi , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lee Jones , Konrad Dybcio Cc: Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, Rudraksha Gupta References: <20260414-msm8960-wifi-v1-0-007fda9d6134@smankusors.com> <20260414-msm8960-wifi-v1-3-007fda9d6134@smankusors.com> <71751331-651d-43aa-b30f-135cc62e8915@smankusors.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <71751331-651d-43aa-b30f-135cc62e8915@smankusors.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE2MDEzMiBTYWx0ZWRfX7X6a0LdcRgOr /0jfckpYWR/Z1tAGubhbaCxJR+kBZk/ZROvdLdInEgv6/U4VEYibd2/xFImxtNIOuK/jHWtVq3X UlOrZ2D2qC7KneVF+ZtTkw00tas47XGtcK36r0mPnSyAUaZlLCY04ShSq3lVoJDj1voI4rkj1wf 9gIsarqESNLisqc0ZD81C86h4/eSR2UmIg/9cd6MbjczC0OQ0a49QY7Xo045l7dD5O1mPSs7EtE OpL3nzX3N89Mc7Wy4G3LGCEcO1PNC2UbhkFzpDaoc2x9rwIlpn4ckzxS4YSBnsQTpsd0Q8tXiEq kO/BSE9h07mM8hFFPvGlGenlzgV1a42vmeucosINwCicRjzq8bgr1/4KouGcvtnPPiEehd4P04W V67nEoBq95QaFUdak9KC7GGqsA7qj1vi5n0FjPo1Z+cgPCT7D+ezfFF23CCk/u67jcJrUX00syU L4R9iKFMi8RCQdmgBew== X-Authority-Analysis: v=2.4 cv=avuCzyZV c=1 sm=1 tr=0 ts=69e0e8f4 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=wxLWbCv9AAAA:8 a=QgWWWv2VTRXgYXpbdksA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=QJY96suAAestDpCc5Gi9:22 X-Proofpoint-GUID: HuwElrGvPN4gByndEljpiTk6Y88TKgpQ X-Proofpoint-ORIG-GUID: HuwElrGvPN4gByndEljpiTk6Y88TKgpQ 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=2026-04-16_03,2026-04-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 spamscore=0 bulkscore=0 priorityscore=1501 adultscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604160132 On 4/15/26 5:20 PM, Antony Kurniawan Soemardi wrote: > On 4/14/2026 3:07 PM, Konrad Dybcio wrote: >> On 4/14/26 10:06 AM, Konrad Dybcio wrote: >>> On 4/13/26 8:55 PM, Antony Kurniawan Soemardi via B4 Relay wrote: >>>> From: Antony Kurniawan Soemardi >>>> >>>> msm8960 uses the same clock descriptor as apq8064 but lacked the >>> >>> This doesn't quite seem to be the case, some fields differ and >>> apq8064 additionally has: >>> >>> QCOM_RPM_PM8821_SMPS1 >>> QCOM_RPM_PM8821_SMPS2 >>> QCOM_RPM_PM8821_LDO1 >>> QCOM_RPM_VDDMIN_GPIO >> >> Ah hmm, the MFD driver seems to provide *all* RPM resources.. > > What I meant by "clock descriptor" in the commit message was > specifically the subset corresponding to RPM managed clocks. From what I > can tell based on downstream code, msm8960 and apq8064 seem to share the > same set of RPM clocks, even though the overall resource lists differ. > > Is that understanding correct? If that's struct msm_rpm_map_data on msm-3.x, then I see that 8x60 has: +MSM_RPM_MAP(PLL_4, PLL_4, 1), +MSM_RPM_MAP(SMI_CLK, SMI_CLK, 1), While 8960 has: -MSM_RPM_MAP(QDSS_CLK, QDSS_CLK, 1), Konrad