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Tue, 20 Oct 2026 20:40:24 +0000 (GMT) Received: from ltc.linux.ibm.com (unknown [9.5.196.140]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Tue, 20 Oct 2026 20:40:24 +0000 (GMT) X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Date: Tue, 20 Oct 2026 15:40:24 -0500 From: Wen Xiong To: Michal Pecio Cc: mathias.nyman@intel.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, wenxiong@us.ibm.com, Brian King , Samuel Mendoza-Jonas , Joel Stanley Subject: Re: [PATCH] xhci: Reset controller on xhci shutdown In-Reply-To: <20261015103307.3ba25345.michal.pecio@gmail.com> References: <20261001222527.11742-1-wenxiong@linux.ibm.com> <20261002102931.3cb06009.michal.pecio@gmail.com> <561d22493c3d078b26f547dd8f6f6f46@linux.ibm.com> <20261002161828.365ff859.michal.pecio@gmail.com> <55a53022d1c6f671a3ed549d8cf7cd1a@linux.ibm.com> <20261006125546.10471489.michal.pecio@gmail.com> <64515dfd9a6cd8c3f5665e72a6bf6b81@linux.ibm.com> <20261015103307.3ba25345.michal.pecio@gmail.com> Message-ID: <5510281a5d91bbd435d9920431a3fa75@linux.ibm.com> X-Sender: wenxiong@linux.ibm.com Content-Type: text/plain; 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Then we could try fixing some > known bugs in quirk_usb_handoff_xhci(). Maybe this will be enough. > Above patch is similar like my V1 patch. It works fine and all usb devices are showed up after executing a kexec. If we can combine above patch + my V2 patch(set flag to TI devices in quirks), it should work fine. Or you can other ideas? Thanks, Wendy