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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-kernel@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-GUID: sPoabdSPk6tZ88v2ZDjUhdCFZNwuhpxC X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDA4OSBTYWx0ZWRfX4BaO5nx2XTDM 3njlBcXNwLT18YmLmmZoj0ZWkQNsdnX5MhzjYFBVqzHr80g0Ain459jf5LVu8z9CfHAOg75XjKe thPGU+J3j5BFVSD9ImIEEO1Ari2Q8WA= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDA4OSBTYWx0ZWRfX+nQn1/QBDJBP Hc8onqXz4nDMuR01jOLr8kaKpcnEAz1Bm3HOZmkz7Ch+aRiX8A2E2PMqlitCaGL51M31GL9mD6R YBZQNcA8kL8V3Q0uu94cClQ0vWNhRLI1ktCFsampa6awtZGC66+bL5o75avfL/SRC99OsTIe8Ye II/2XwazebpjYhUGGlUCbO4qBDVm33qi7/UHKo9N0ORPqd8sA22cEpQrFIvWBqH/zSOdCm0TycK RvoYzb/T9eeoWOfYtqnGAHDJ+r+Gr5aaIOVd25MYjEO0WtB+BvJfCtPVvzoXPcs+ntF9EpkaHRB 3XBxIEbKTXD4BYTc8NzAkT7cRDaPxMtymonLBZHXwoyEnCTVXJuBmks6DbbrYBP2InzOTx35bQf wVEln7tRJsYqwQKabwoQFmNhA96DRIN53jqe30YZfPJHypNNsr/ueWZzydTN3OMgXOXlBJcT9y0 e74w/gtsJU9gG2Sv2Lw== X-Proofpoint-ORIG-GUID: sPoabdSPk6tZ88v2ZDjUhdCFZNwuhpxC X-Authority-Analysis: v=2.4 cv=bfRbluPB c=1 sm=1 tr=0 ts=6a844b0a cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==: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=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=SwLGY96dXX6l99FlqfMA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 a=cvBusfyB2V15izCimMoJ: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=2026-08-18_01,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 malwarescore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 bulkscore=0 spamscore=0 adultscore=0 suspectscore=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