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Tue, 25 Aug 2026 01:55:01 -0700 (PDT) X-Received: by 2002:a05:620a:1790:b0:936:2f59:dfe4 with SMTP id af79cd13be357-937392b8125mr2182943385a.0.1787648101597; Tue, 25 Aug 2026 01:55:01 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c2496738e8bsm1606744466b.44.2026.08.25.01.54.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Aug 2026 01:55:00 -0700 (PDT) Message-ID: Date: Tue, 25 Aug 2026 10:54:58 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/5] phy: qcom: snps-femto-v2: Move PHY init registers to config tables To: Varadarajan Narayanan , Vinod Koul , Neil Armstrong , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Wesley Cheng Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260824-phy-v1-0-257d68a3210b@oss.qualcomm.com> <20260824-phy-v1-4-257d68a3210b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260824-phy-v1-4-257d68a3210b@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: djFPbpXTqOwKO2maiYJNNFf6Orfby9_E X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI1MDA3NSBTYWx0ZWRfX6YyU2HU61ibz c1x72wEVBdNpgbJtg5Td6RG6FlpYPu2qaRtO6xAN1gYCAwFJbxTNf/5yRQqYfGRO+Ux2/nmTutp 19Vy+l/Bt9QPOUft6LhZo143/Zgot+FaSlSVaVYrpQyLRzOc1wFNrHJMvjd202n1Q+7T8ghIT1Z F595UAdnCN0gOHFC4RPB3mvt3CX2qaZcTR4UE6V/HEHLEJU6G0gF6xid/abHDNBOksnPjHC+3cH Twf+efK43q37kXaPLGQNdz8ZCIQ5leixRnlXpn68buXkogKeU8Mi9Oc4ccffmodjjar9h77mTed qIs9d6+ku7iBnCvq6J8AnH6hsf29JX9mNDoKShAlEAjAE5vBupnELD5ht0EmCfp5PaJnp+mYBEW FP2yzY92HAHatu2qDftDnGVuLxbJjP23dNuSsA2WaaHDtHivMWWCQAGaEhD1nkR5ZTHw+769nhE EiwLpPg84/Wuip4+4sg== X-Proofpoint-Spam-Info: AW1haW4tMjYwODI1MDA3NSBTYWx0ZWRfX8V0urv+jJUS7 LMQ5EZLWJRSEfJJw2DzOJwEiY9Xc8cOf+Gf952WiaeWgd5yZqLdDEcO4ev3luCyo3HbI4ic4kLZ xBwF6v9sy5II54LiHf8wUQ7TGLRCZ6Q= X-Authority-Analysis: v=2.4 cv=L7ItheT8 c=1 sm=1 tr=0 ts=6a8d5866 cx=c_pps a=oc9J++0uMp73DTRD5QyR2A==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=i2kGgbFhGYZGOrntVjUA:9 a=QEXdDO2ut3YA:10 a=iYH6xdkBrDN1Jqds4HTS:22 X-Proofpoint-ORIG-GUID: djFPbpXTqOwKO2maiYJNNFf6Orfby9_E 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=2026-08-25_02,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 impostorscore=0 spamscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608250075 On 8/24/26 8:37 AM, Varadarajan Narayanan wrote: > The driver currently programs the common PHY register sequence directly in > qcom_snps_hsphy_init(), with the fixed register writes split around the > override parameter handling. This makes it hard to support SoCs that need a > different sequence or different values. > > Move the fixed pre- and post-override register programming into per- > compatible configuration tables, and keep the 7 nm override parameters in > the same match-data structure. This allows the driver to share the common > sequence while adding SoC-specific sequences for future platforms such as > IPQ9650. > > Signed-off-by: Varadarajan Narayanan > --- [...] > + for (tmp = data->pre; tmp->offset != UINT_MAX; tmp++) "pre"/"post" alone are not descriptive - perhaps pre_tuning/post_tuning? Or do we maybe know whether the order matters at all? > + qcom_snps_hsphy_write_mask(hsphy->base, tmp->offset, tmp->mask, tmp->val); Custom termination is both error-prone and memory-inefficient, add another int to size the arrays Konrad