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Fri, 26 Sep 2025 01:40:40 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGSYjbgxz3ZpRa0D00ZVNPgHg9O0ctAAj1epWv0U96tMdUGtuWmJ8IJY2bgSO3VYP/MfK11Rw== X-Received: by 2002:a17:902:e787:b0:266:e8c3:4731 with SMTP id d9443c01a7336-27ed4a4e69fmr57199205ad.23.1758876039860; Fri, 26 Sep 2025 01:40:39 -0700 (PDT) Received: from [10.217.216.188] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-27ed6733a63sm47601845ad.64.2025.09.26.01.40.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 26 Sep 2025 01:40:39 -0700 (PDT) Message-ID: Date: Fri, 26 Sep 2025 14:10:31 +0530 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 7/9] clk: qcom: camcc: Add support for camera clock controller for Kaanapali To: Bryan O'Donoghue , Jingyi Wang , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Vladimir Zapolskiy , Jagadeesh Kona , Dmitry Baryshkov , Maxime Coquelin , Alexandre Torgue , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com References: <20250924-knp-mmclk-v1-0-d7ea96b4784a@oss.qualcomm.com> <20250924-knp-mmclk-v1-7-d7ea96b4784a@oss.qualcomm.com> Content-Language: en-US From: Taniya Das In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=I9Vohdgg c=1 sm=1 tr=0 ts=68d65189 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=txcd_wJ1IAhHlW4x_IwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: xcIjhIZa8pwpU2z0_uxYzQv4bfH3FNpa X-Proofpoint-ORIG-GUID: xcIjhIZa8pwpU2z0_uxYzQv4bfH3FNpa X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI1MDE3MSBTYWx0ZWRfX1apR83mIFHpA 6ZdbgbjxIl5y0tZigv0bCdgcKjaT6W0FdQc3rGf3JHF1+ZI2znt9V28PmCOgFfALUjIYkOQEu7y IdmeUb0o5e7rKx5A5fIlz5ZMqf7mpxl381xkhsn/kDZ8a3/Gv0zfYEBnB4K5bXhfgGl1OruLupm oJKfm7Lb7T45DQWDW/KZhyCSiAZYBPeo+WQmEONPlwyr8CzsgnN6as6KF3OAaDex1w4dsZTeU9W oOz0PjVyDLtRaarhKCQMwftmq0i3r/Gobdl04q5AYeRkUWZTEQNb8WNzHmzpP1x4s116+o5tjRR 4nkaF+mgOHKUCx/h4wtyTvk81kCFUICCkr0Klj47Fj4X3CydL3i903zoYSDge2bp6G94phn0iXW bp+V5rAJ6fevNA3IQalFilTvqn+SYQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-26_02,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509250171 On 9/25/2025 2:40 PM, Bryan O'Donoghue wrote: > On 25/09/2025 00:56, Jingyi Wang wrote: >> +static u32 cam_cc_kaanapali_critical_cbcrs[] = { >> +    0x21398, /* CAM_CC_DRV_AHB_CLK */ >> +    0x21390, /* CAM_CC_DRV_XO_CLK */ >> +    0x21364, /* CAM_CC_GDSC_CLK */ >> +    0x21368, /* CAM_CC_SLEEP_CLK */ >> +}; > > How is this critical list decided ? > Bryan, these are list based on design recommendations. > For example why is the AHB clock critical but the CAMNOC and AXI clocks > not critical ? > AHB clock is required for access and NOC & AXI needs to be managed by the client SW driver. > --- > bod -- Thanks, Taniya Das