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Wed, 19 Aug 2026 03:47:27 -0700 (PDT) X-Received: by 2002:ac8:5f06:0:b0:51c:10e9:ec47 with SMTP id d75a77b69052e-52dd61a0e2fmr23785981cf.5.1787136447287; Wed, 19 Aug 2026 03:47:27 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a3ff1780c9sm658119a12.28.2026.08.19.03.47.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 03:47:26 -0700 (PDT) Message-ID: <3da25205-60d4-46f5-9efe-a97a5a6908f5@oss.qualcomm.com> Date: Wed, 19 Aug 2026 12:47:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] clk: qcom: Fix camera rivian PLL configuration settings To: Jagadeesh Kona , Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Maxime Coquelin , Alexandre Torgue , Taniya Das , Vladimir Zapolskiy , Dmitry Baryshkov , Bryan O'Donoghue , Jingyi Wang Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260801-cam-rivian-pll-config-fix-v1-1-6918d58cd823@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260801-cam-rivian-pll-config-fix-v1-1-6918d58cd823@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDA4MyBTYWx0ZWRfX2dH3mHa7C+cn EM7/7W3+vI2gOjMdxQ9CeXVoJutGucpDxIE7pyRdlkz+VOLwyeAZeNDoGNT9n/J8Yq/6rqlhT2j rqubyIT1sHm+M82urpq6x+1a60rk6nx8pU7zQLMHewkEeZyENVkKJ0yBJvwzRpacHxYBdHdQ5+4 BfiKd9Ls2RV/Th1j95ZsGVFlAdYUaCPu/JPYKBQqkWz9DtutAaV5X1yn1mCxOtez+O6xQclWiWP rjdfHyupzJ+SDOdwrjYgwveGTHLp5VvwOH8lhKRr4lylt2jSQPD4PFfgrJ3prNDY8N5NqiFsAKS 9UG4dO+VzRItJcO/kG8KJMJdxPEYPeemt7KYICTrzSSZbpPiJBEhamhZIrYxOqX2tgva4ZjvuiT xdYC4cs+vzK3bkv8O8zUbMIOc7XCJgeOjcQPIgR6PUGNkDwTg4bI2pfRwciZ++8PHptXv3eTxVm jg2w6arbpWKT6Rsnqew== X-Proofpoint-GUID: ggjHAwpWb69tI1aqNrYQtL0ZzTK6ymB2 X-Proofpoint-ORIG-GUID: ggjHAwpWb69tI1aqNrYQtL0ZzTK6ymB2 X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDA4MyBTYWx0ZWRfXxtG4DvNseGWG idM/OPyZT2g+B2v7xHYONZl8FFRf3oTuGLptNq2Oupy7iiXwOCQblKhbQ+tneVe7eF7ip2K/oiT c7SDKPhsg6QzloKWUqx12Gcz4UIgBs4= X-Authority-Analysis: v=2.4 cv=Sb7HsPRu c=1 sm=1 tr=0 ts=6a8589c0 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=cfD7LCa2rqpQZjTi_hYA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_03,2026-08-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 impostorscore=0 adultscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190083 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260819_034729_836257_4D8EEF45 X-CRM114-Status: GOOD ( 11.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/31/26 9:45 PM, Jagadeesh Kona wrote: > clk_alpha_pll_write_config() in the PLL configure function skips writes > to PLL registers when the configured value is 0. However, hardware > requires USER_CTL_U and CONFIG_CTL_U2 to be explicitly programmed to 0 > for a few rivian PLLs. Is the platform-specific, or requires for all rivian PLL instances? Konrad