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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-634a3ae3080sm934726a12.34.2025.09.25.02.30.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 25 Sep 2025 02:30:26 -0700 (PDT) Message-ID: <239bc397-c746-4ec8-969a-9e3f3c3dee3b@oss.qualcomm.com> Date: Thu, 25 Sep 2025 11:30:23 +0200 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: clk-alpha-pll: Update the PLL support for cal_l To: Jingyi Wang , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Taniya Das , Taniya Das Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com References: <20250924-knp-clk-v1-0-29b02b818782@oss.qualcomm.com> <20250924-knp-clk-v1-7-29b02b818782@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250924-knp-clk-v1-7-29b02b818782@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: g1444uR10D26OTeS3aKPdUH4JY-GCKSk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTIzMDAxMSBTYWx0ZWRfX0pgcyjT95LV6 92e5GO795OaHAvwKo0T0EQLyHvC8z86+vqO1ORDAQcVGQk+K+13Kzpw/QIUyFE0xG25zWa6XE2r zegJxBqHceeFhq1lu+j3TBYZM81xGC/U4YGPSs18LDwQdQbMnQ05aQF8ReC+/eZRLEVMz+0xEGX pG+9MX9WmFP3d0EX/A6tgXzy9zgzlqAtmcCJLE9AY+UkcqFOuzj6bRpEX/9iDcQFOV0qiNqSYvm fQZNSO1L2b32yN4uMx5MGH0QADhwh53Q6FxqNqBIW6qWM6nQLEogbZW5upkI+7n3ZsYW/ZmFyPT ZQj8X1b5UpxfC8Yw6BgLDbaaXUD4/4ARSFKZ4qu0Pgt92ICe7MO0xWRBSgl4UCiUG6j0NA3yO3B ZmV0csqs X-Proofpoint-GUID: g1444uR10D26OTeS3aKPdUH4JY-GCKSk X-Authority-Analysis: v=2.4 cv=Csq/cm4D c=1 sm=1 tr=0 ts=68d50bb4 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=QDpnt0wtCZc4EWvjjt8A:9 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 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=2025-09-24_07,2025-09-24_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 adultscore=0 impostorscore=0 phishscore=0 clxscore=1015 spamscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509230011 On 9/25/25 12:58 AM, Jingyi Wang wrote: > From: Taniya Das > > Recent QCOM PLLs require the CAL_L field to be programmed according to > specific hardware recommendations, rather than using the legacy default > value of 0x44. Hardcoding this value can lead to suboptimal or incorrect > behavior on newer platforms. > > To address this, introduce a `cal_l` field in the PLL configuration > structure, allowing CAL_L to be set explicitly based on platform > requirements. This improves flexibility and ensures correct PLL > initialization across different hardware variants. > > Signed-off-by: Taniya Das > Signed-off-by: Jingyi Wang > --- Reviewed-by: Konrad Dybcio Konrad