Re: [PATCH v5 5/5] usb: dwc3: qcom: Modify interrupt handling for eUSB2 Phy targets

Thinh Nguyen <[email protected]> Tue, 4 Aug 2026 22:01:08 +0000
Newsgroups org.kernel.vger.linux-usb,org.infradead.lists.linux-phy,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <anJgBMFlzHGaVNMm@vbox>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