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From: Wen Xiong <wenxiong@linux.ibm.com>
To: Michal Pecio <michal.pecio@gmail.com>
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 <brking@linux.vnet.ibm.com>,
	Samuel Mendoza-Jonas <sam@mendozajonas.com>,
	Joel Stanley <joel@jms.id.au>
Subject: Re: [PATCH] xhci: Reset controller on xhci shutdown
Date: Tue, 20 Oct 2026 15:40:24 -0500	[thread overview]
Message-ID: <5510281a5d91bbd435d9920431a3fa75@linux.ibm.com> (raw)
In-Reply-To: <20261015103307.3ba25345.michal.pecio@gmail.com>


> If it doesn't help, it will look like you have something (machine FW?)
> monkeying with the chip during kexec. 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

  reply	other threads:[~2026-10-20 20:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-01 22:25 [PATCH] xhci: Reset controller on xhci shutdown wenxiong
2026-10-01 22:40 ` Mathias Nyman
2026-10-02 14:08   ` Wen Xiong
2026-10-02  8:29 ` Michal Pecio
2026-10-02 14:05   ` Wen Xiong
2026-10-02 14:18     ` Michal Pecio
2026-10-05 13:01       ` Wen Xiong
2026-10-06 10:55         ` Michal Pecio
2026-10-14 20:32           ` Wen Xiong
2026-10-15  8:33             ` Michal Pecio
2026-10-20 20:40               ` Wen Xiong [this message]
2026-10-21  9:27                 ` Michal Pecio
2026-10-21 14:44                   ` Wen Xiong

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