From: Jeff Roach <jeff.roach0@gmail.com>
To: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
Cc: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Abel Vesa <abelvesa@kernel.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
David Collins <david.collins@oss.qualcomm.com>,
Subbaraman Narayanamurthy
<subbaraman.narayanamurthy@oss.qualcomm.com>,
Kamal Wadhwa <kamal.wadhwa@oss.qualcomm.com>,
Tingguo Cheng <tingguo.cheng@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, linux-rtc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] soc: qcom: pmic_glink: Add GIO pmic_glink instance
Date: Wed, 11 Nov 2026 07:14:24 -0600 [thread overview]
Message-ID: <20261111131424.51869-1-jeff.roach0@gmail.com> (raw)
In-Reply-To: <20261110-gio-framework-rtc-driver-2026-10-12-v1-2-e4164178183a@oss.qualcomm.com>
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
next prev parent reply other threads:[~2026-11-11 13:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 3:28 [PATCH 0/3] soc: qcom: Add Qualcomm PMIC GIO framework and RTC driver using it Fenglin Wu
2026-11-11 3:28 ` [PATCH 1/3] soc: qcom: Add pmic-gio GIO framework driver Fenglin Wu
2026-11-11 3:28 ` [PATCH 2/3] soc: qcom: pmic_glink: Add GIO pmic_glink instance Fenglin Wu
2026-11-11 13:14 ` Jeff Roach [this message]
2026-11-11 3:28 ` [PATCH 3/3] rtc: Add Qualcomm GIO RTC driver Fenglin Wu
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