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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b197c768e8sm1599325a91.11.2026.11.11.17.11.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Nov 2026 17:11:08 -0800 (PST) Message-ID: <0fa09b92-3855-40b0-af6d-2c763235b15e@oss.qualcomm.com> Date: Thu, 12 Nov 2026 09:11:04 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] soc: qcom: pmic_glink: Add GIO pmic_glink instance To: Jeff Roach Cc: Bjorn Andersson , Konrad Dybcio , Abel Vesa , Alexandre Belloni , David Collins , Subbaraman Narayanamurthy , Kamal Wadhwa , Tingguo Cheng , linux-arm-msm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261110-gio-framework-rtc-driver-2026-10-12-v1-2-e4164178183a@oss.qualcomm.com> <20261111131424.51869-1-jeff.roach0@gmail.com> Content-Language: en-US From: Fenglin Wu In-Reply-To: <20261111131424.51869-1-jeff.roach0@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEyMDAwNCBTYWx0ZWRfX7Atk4cyoLBu+ FebFj+H9bRSNT77tSxn8cBEuHQzOzy9DsWC/TLJaNwFqQB7XIWL1Az8BZbygdpJc2wPha3liyfl uAtUeE1VvIlam2xpEgUBttP9rEbgkEs= X-Proofpoint-ORIG-GUID: Or4v9b4w1UohFCpyw4g864vzVV0RSVS1 X-Proofpoint-GUID: Or4v9b4w1UohFCpyw4g864vzVV0RSVS1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEyMDAwNCBTYWx0ZWRfXw22hCCON6ysS Gyq9hgReHHZlNIfaoS4v85OAjFAn/Z45YLtnNpw4PXpvDsotOUHTtuMc1UA2IBcXawiAW9NKz6G /A1z86U1QwFFqEhBi061nJgLILLsxOpWPfUuqEGSKUJangnXfryFi26/jxgsBJfvYbOFtkdfsoU T0Wr3IHU/G/qF8ZKJK1hs4CvEkKJJSqaXbDAA9TPVB0hOKZP/4qPdtgJiZhsEqmPXiSb9ELO/BQ EKzMu0hT/ECIMGABziK4OJjKECd24L1OVWL8oR5b8sT0siOKAJtbOs+jB4+NuRV3r9lVPneroE/ x5oHc9HhA3I+DEP7bCm0+eK2hEDlhGYfLEst8lS+Nel23C2cxt6t0uRn0Nog4NEMotwEwltTT8C kEVwedzyXx3T+5z0+cJiyewOyusgJdKt0N5J8+Iprm45yvF2Gf9Ik/++p8TAznoWT1L0NRUvkeO dzgJMoYSdGRmLCk1SEQ== X-Authority-Analysis: v=2.4 cv=CZadd7rl c=1 sm=1 tr=0 ts=6af5122e cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=Xxzc40YL-po_xb4s3SgA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-11_06,2026-11-11_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611120004 On 11/11/2026 9:14 PM, Jeff Roach wrote: > Hi Fenglin, > > I tried this series on an HP OmniBook X 16 (X2 Elite "Mahua", DT boot, > qcom,glymur-pmic-glink, 7.3-based kernel, firmware F.04). The RTC part > works: rtc-qcom-gio reads the correct UTC time. > > But UCSI breaks when pmic_glink_gio is bound, although the commit > message says ucsi stays on the legacy interface: > > - pmic_glink_gio loaded at boot: ucsi_glink fails with > "error -ETIMEDOUT: PPM init failed", no typec ports. > - pmic_glink_gio blacklisted (patched pmic_glink still loaded): typec > ports and partners come up, plug/unplug is seen. > - Same boot, then modprobe pmic_glink_gio: the RTC works and the ports > stay, but UCSI no longer sees any plug or unplug (old partners stay). > USB data and charging still work. > > Happy to test a fix. > > Jeff Hi Jeff, Thanks for testing the changes and reporting the issues. I tested with all clients switched to use GIO interface. I confirmed that battmgr, UCSI, altmode worked as expected. I should also test the hybrid mode of only having RTC used on GIO and others left in PMIC Glink. I thought I didn't push those client changes so those drivers were not impacted and they should work as before. I will test it this way and get back. Thanks Fenglin