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Wed, 23 Sep 2026 03:43:43 -0700 (PDT) Date: Wed, 23 Sep 2026 16:13:31 +0530 From: Mohd Ayaan Anwar To: Maxime Chevallier Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Serge Semin , Andrew Lunn , Heiner Kallweit , Russell King , Richard Cochran , Bjorn Andersson , Konrad Dybcio , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Maxime Coquelin , Coia Prant , Jan Petrous , "Jose.Abreu@synopsys.com" , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Lorenzo Bianconi , Shawn Guo , Zhangfei Gao , Jitendra Vegiraju Subject: Re: [PATCH RFC net-next 0/9] net: introduce Qualcomm XPCS support and add Nord Ethernet plumbing Message-ID: References: <20260923-qcom_xpcs_nord_emac-v1-0-4b1c682af70f@oss.qualcomm.com> <5135e15d-b6ac-476c-9a7d-b7d64e4eed5c@bootlin.com> Precedence: bulk X-Mailing-List: devicetree@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: <5135e15d-b6ac-476c-9a7d-b7d64e4eed5c@bootlin.com> X-Proofpoint-ORIG-GUID: wNDc1Vvtk1ognwBqsP-8YivwzxfwY3sz X-Authority-Analysis: v=2.4 cv=J4s/fwnS c=1 sm=1 tr=0 ts=6ab3ad61 cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=8AirrxEcAAAA:8 a=keUjBhY1HaWyqSYI5lAA:9 a=CjuIK1q_8ugA:10 a=bBxd6f-gb0O0v-kibOvt:22 a=ST-jHhOKWsTCqRlWije3:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIzMDA0MiBTYWx0ZWRfXwqrjnop+LUJA kBr5sr/+6R0I2rrUASiAlsJPB2Vfl08xtNf3QICMYF8fchiwg20kFXsMNcgHDC4/XvRqOossr6e molLSXQn4uxGsK2MyRYzXO5+aIAEeoC8uqS6l8I80YHzAPY7j8ltqhztGgtlxkP05aioCIQw/SC XZt/LQjJf5XeprlVIWCpMHeMwJGj+xOai9lF9zrEmGS7V4Sr2fv+RMrs2zR6Ty1u82EDyzCB39/ bzpUGHNk+bugoEB6eES0/Phr0Z8Tc0o1SzWbTyOlnFjgCn8BPGQcxi8Ltx+pUgP4zJsbOCgbjHm gLmkepdVfNp6+745i/QdBKnEHZeZDMI2IpKRM/W1LU8zRTo9puUD2R0wrycoXo2XC4D6GT+s4P7 8pFzJ/RjZXJi/X3ZqNoMik7ibbB+idgea/J1RVg8d5RQX92LdTctXcoTITAW9VObxP9ODb6pT1q TA2IhYkERc4ycV8HC8w== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIzMDA0MiBTYWx0ZWRfX86R9rSNTNt+X Lw3vt3uKmKnocMGiwuwPCEsSRO5X9cP7JlsLlpXG+7VbuVkXAwH/VBWfDuTabD+0F4XiOMCfuxB hxrXHHD4VvUC5SVJA0EdtgvvtSwlWlc= X-Proofpoint-GUID: wNDc1Vvtk1ognwBqsP-8YivwzxfwY3sz 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=2026-09-23_04,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 spamscore=0 impostorscore=0 priorityscore=1501 phishscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609230042 Hi Maxime, On Wed, Sep 23, 2026 at 11:41:14AM +0200, Maxime Chevallier wrote: > Hi, > > On 9/23/26 03:07, Mohd Ayaan Anwar wrote: > > Hi, > > > > This is an early RFC which adds the XPCS and ETHQOS plumbing required > > to enable 10 Gigabit Ethernet on the Qualcomm Nord SoC. This is the > > first time USXGMII together with an external PCS is being supported by > > the dwmac-qcom-ethqos driver. > > There are currently 3 in-flight series that adds glues to DW XPCS and stmmac: > > This one, > The Rockchip one from Coia [1] > The S32 one from Jan [2] > > > [1] : https://lore.kernel.org/netdev/20260922200336.2201212-1-coiaprant@gmail.com/ > [2] : https://lore.kernel.org/netdev/20260919-s32g_serdes-v3-0-9d68868c1e89@oss.nxp.com/ > > MAINTAINERS entry for XPCS says : > > SYNOPSYS DESIGNWARE ETHERNET XPCS DRIVER > L: netdev@vger.kernel.org > S: Orphan > F: drivers/net/pcs/pcs-xpcs.c > F: drivers/net/pcs/pcs-xpcs.h > F: include/linux/pcs/pcs-xpcs.h > > It would nice if some of you could help maintain the core XPCS driver, and make sure > these series aren't stepping on one another :( I personnaly don't have any XPCS HW > for tests. > > You don't have to do it alone, multiple people can co-maintain that :) Maybe > Synopsys folks can also chime in ? > Thank you for sharing these series, I can help review them based on my understanding of this IP. Hope that helps. Ayaan