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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2beab526d3csm6422176eec.18.2026.03.14.05.18.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Mar 2026 05:18:53 -0700 (PDT) Date: Sat, 14 Mar 2026 20:18:47 +0800 From: Shawn Guo To: Dmitry Baryshkov Cc: Vinod Koul , Neil Armstrong , Abel Vesa , Konrad Dybcio , Xiangxu Yin , Manivannan Sadhasivam , Luca Weiss , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org Subject: Re: [PATCH 4/6] phy: qcom-qmp-usbc: Rename QCS615 DP PHY variables and functions Message-ID: References: <20260314051325.198137-1-shengchao.guo@oss.qualcomm.com> <20260314051325.198137-5-shengchao.guo@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Authority-Analysis: v=2.4 cv=BJ2+bVQG c=1 sm=1 tr=0 ts=69b5522e cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=UXx_BxqW5X7b_lvge-cA:9 a=CjuIK1q_8ugA:10 a=scEy_gLbYbu1JhEsrz4S:22 X-Proofpoint-GUID: xtsPzVx5Hra0iMi6pllKaEtAUT94K7U_ X-Proofpoint-ORIG-GUID: xtsPzVx5Hra0iMi6pllKaEtAUT94K7U_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE0MDA5NSBTYWx0ZWRfX/WP8ID5Xb2Jx nh8dRiRNfk+koIQJexnWy9Ht1rqBBcVYIAGAKXPiMHrLU3k3aB/AAZYuLB99ixaJVGwJk15+p7o rDUGMe3mybFeRzNYzCH7ZvHA6ySPcXCAYe6qLCR5FsO8ej+Phkon/l27w4Pq2qlaW9XwVHX3MBR 2fdvSnwUfyFq4Omo9UKh/fmUpgjsK1szfNZ+WQAkN5g6ugEUnzU2JFNw9C7mvFL8xJ3bUDi9utX d5bAwYOS+2NLezjM5Lg2HcXuyI+aKsNholFdsarx6YysX7K5jrsPf4whrxVKJZ8AZHiyXyhTK9e C+I1nviw7SsY2sw6tAK+cMxBA4+gZg5upYXKfVZP2ONGmqZ2P6qK9knHBsahlFYYBGh7iwr1UbD +e1wEmSBhFuWj6r8lq+AuZ8a6UVwJnZROo1tb/GeUpn1591VUzQdBi46N2eJcyc1iI2hjIwlcDE xpyC1cM6JpAVEcnZJig== 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=2026-03-14_04,2026-03-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 bulkscore=0 impostorscore=0 spamscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603140095 On Sat, Mar 14, 2026 at 11:14:56AM +0200, Dmitry Baryshkov wrote: > On Sat, Mar 14, 2026 at 01:13:23PM +0800, Shawn Guo wrote: > > Commit 81791c45c8e0 ("phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config > > and DP mode support") chose to name QCS615 DP PHY variables/functions > > with qmp_v2 prefix, by assuming that QMP PHY registers are versioned > > as a whole. However, the reality is that the registers are versioned > > in sub-modules like QSERDES COM and QSERDES TXRX respectively, e.g. > > QCS615 DP PHY has registers of QSERDES COM v2 and QSERDES TXRX v3. > > Thus it may cause confusion that qmp_v2_xxx table and functions access > > QSERDES TXRX v3 registers. > > > > Rename QCS615 DP PHY variables and functions to be prefixed by qcs615 > > instead of qmp_v2. This better aligns with how the driver names USB3 PHY > > variables for QCM2290 etc. > > Well... I'm a bit reluctant with this one. The driver needs to support > DP programming on three platforms: qcs615/sm6150, sdm660 and msm8998. As > far as I can see, most of the DP setup between SDM660 and QCS615 is > common. In that case, could we just reuse QCS615 DP tables/functions for SDM660, just like QCM2290 USB3 tables being reused for QCS615 and SDM660? Shawn