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Tue, 18 Aug 2026 05:07:38 -0700 (PDT) X-Received: by 2002:a05:620a:6846:b0:92e:5272:4e3e with SMTP id af79cd13be357-936d1f0a69cmr2304624885a.0.1787054857750; Tue, 18 Aug 2026 05:07:37 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6a3d8524445sm1699810a12.7.2026.08.18.05.07.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Aug 2026 05:07:36 -0700 (PDT) Message-ID: <8eb4ee0d-a505-4b2f-b0ce-ac4f21384ff5@oss.qualcomm.com> Date: Tue, 18 Aug 2026 14:07:33 +0200 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 4/5] i2c: qcom-cci: Share the timing table across CCI revisions To: Loic Poulain , Robert Foss , Andi Shyti , Wolfram Sang , Dmitry Baryshkov , Luca Weiss Cc: linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, vladimir.zapolskiy@linaro.org, konradybcio@kernel.org, stephan.gerhold@linaro.org References: <20260801-cci-clk-fix-v4-0-e1d80da54e01@oss.qualcomm.com> <20260801-cci-clk-fix-v4-4-e1d80da54e01@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260801-cci-clk-fix-v4-4-e1d80da54e01@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDA4OSBTYWx0ZWRfX/DW5h9TUMQR+ O/wILT83jQQYjJYbqNNY4clCIaU2oVPDkWTLYADWhz90IGacAthP2ESoiAGOM5Ry5obGzGw7L06 YIqTOzJiLHqEaTw3DRN+1AjFYd5NTuE= X-Authority-Analysis: v=2.4 cv=VuITxe2n c=1 sm=1 tr=0 ts=6a844b0b cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=SwLGY96dXX6l99FlqfMA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: NqAIizmVT1iF8PcWYiTyLVcSduu_H6wx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDA4OSBTYWx0ZWRfX8b0fcQg+6OF/ TpZ21emF/h9AnKDDdDYiZ2so8AgYg/V150UT2kF0dex5x42xSjgBc/DslRYYqqvSllIfAhtoprp y6HB5PJqRQ9i31CTKC7RnQfx7hW8N7TogEgmiWvP28B5y2vIk+t5w5UftV4e/Glu0YjhFMWEIDz ro4sqposGu0v/JZoCXWTeEUQzgeyeb4//YEyVAFkTH/FGpr4Vvfc0D5msLzXRtI9e2pPflydMbm ijeySrRGY/tmZPO4ciKKuPaXC1kKvQLoT5emLLj1HTiMAUbVwxM4aWQPVcxjV2HF9MC88KW+NHZ n8s3wTdpEkE0L3zdqMg26xBR6/zqrEBqQijm7rkt+75Oo5HRYGOSLWucdkkXnRJBBVSCCiEIG/c wVaETgUgVmC3hku4XsC0baPuSB6h1bjEDhlOjtVzq+xTC0FuRenDZSZWIwy9ERwCYi4T+U5ECLs KHFW+2fUaoyx+Sg+39w== X-Proofpoint-ORIG-GUID: NqAIizmVT1iF8PcWYiTyLVcSduu_H6wx 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=2026-08-18_01,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 clxscore=1015 spamscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608180089 On 8/1/26 10:10 PM, Loic Poulain wrote: > The hw_params timing values only depend on the CCI clock rate and the > I2C mode, not on the hardware revision: every per-variant table used > identical values for a given [rate][mode]. Only the set of supported > modes differs between revisions. > > Move the timings into a single shared cci_hw_params[rate][mode] table > and describe each variant's highest supported mode in cci_data with > max_mode instead of duplicating the timing values. This removes the > per-variant timing tables without any functional change. > > Suggested-by: Vladimir Zapolskiy > Signed-off-by: Loic Poulain > --- Reviewed-by: Konrad Dybcio Konrad