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Fri, 17 Apr 2026 06:26:19 -0700 (PDT) X-Received: by 2002:a05:6a20:94cb:b0:398:a1ca:7a2a with SMTP id adf61e73a8af0-3a08d934591mr3536923637.48.1776432379243; Fri, 17 Apr 2026 06:26:19 -0700 (PDT) Received: from [10.217.223.121] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c7976f9da4esm1482503a12.11.2026.04.17.06.26.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 Apr 2026 06:26:18 -0700 (PDT) Message-ID: <73928b30-a0e9-4e94-9273-9d21c6045079@oss.qualcomm.com> Date: Fri, 17 Apr 2026 18:56:12 +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 v7 2/3] ufs: host: Add ICE clock scaling during UFS clock changes To: Abhinaba Rakshit , Herbert Xu , "David S. Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Manivannan Sadhasivam , "James E.J. Bottomley" , "Martin K. Petersen" , Neeraj Soni Cc: linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org References: <20260302-enable-ufs-ice-clock-scaling-v7-0-669b96ecadd8@oss.qualcomm.com> <20260302-enable-ufs-ice-clock-scaling-v7-2-669b96ecadd8@oss.qualcomm.com> Content-Language: en-US From: Harshal Dev In-Reply-To: <20260302-enable-ufs-ice-clock-scaling-v7-2-669b96ecadd8@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=JcqMa0KV c=1 sm=1 tr=0 ts=69e234fc cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=moC-RjrLiBHrLYWkWSAA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE3MDEzNSBTYWx0ZWRfX9v80wgbnUIqy MQ0Q/Jy9WsQSQEqPa4TCATd+dRnY23lWgRbMFACJK8ZHfyF+4qDYeTxFp2JBwTfnMJyWHRgWMD9 kmUjVuRa+rGhc64LM++BY4eWp4TZ9IO2VKK6yavlK4N8QkHR+1XJagLfWOE2re1yahwd4ozhJFA TPdSrpmvyQzhWbujZR2fkAvyyETj/d3WVDpShu/dyJG67qToJuwKFfngCp9ZGSYQLjKmmtMROE3 QyVBnJv72A+jqY+gpZ5Ck/9cwbEMisOoumT54RPKW69WlqMX/hfBrGonHrXbQc0u13JUDHEjAyV nZzJMablBIGt/HTPTzHnEQVr8ZWTkmq1XzRS+dGsqGhvOG7qFmyp0buHwbYBoDd0As4423WHqPY cqFoWAsaU37hBWWC1AA1m9d9mtGx1FVAdkBJ+UzvhMAqTCTA4xNB2ld53Xpv+R2/rnWqYllcIoc Z7hFKd8bnTH30V4qrEw== X-Proofpoint-GUID: ffaNM8IH-Qx2IzXdsssxyTeOcZSLxecx X-Proofpoint-ORIG-GUID: ffaNM8IH-Qx2IzXdsssxyTeOcZSLxecx 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=2026-04-17_01,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 malwarescore=0 phishscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604170135 On 3/2/2026 4:19 PM, Abhinaba Rakshit wrote: > Implement ICE (Inline Crypto Engine) clock scaling in sync with > UFS controller clock scaling. This ensures that the ICE operates at > an appropriate frequency when the UFS clocks are scaled up or down, > improving performance and maintaining stability for crypto operations. > > For scale_up operation ensure to pass ~round_ceil (round_floor) > and vice-versa for scale_down operations. > > Incase of OPP scaling is not supported by ICE, ensure to not prevent > devfreq for UFS, as ICE OPP-table is optional. > > Acked-by: Manivannan Sadhasivam > Signed-off-by: Abhinaba Rakshit > --- Reviewed-by: Harshal Dev Regards, Harshal