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From: Kishon Vijay Abraham I <kishon@ti.com>
To: Alan Cooper <alcooperx@gmail.com>,
	": Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: Generic PHY "unload" crash
Date: Tue, 21 May 2019 14:15:01 -0500	[thread overview]
Message-ID: <9f0becda-4ee1-1330-91c4-df919507cb2c@ti.com> (raw)
In-Reply-To: <CAOGqxeWTh0NJ177cH5a4ph-W49pFehjdEcVv+SLm__TiHJc_aQ@mail.gmail.com>

Hi Alan,

On 21/05/19 1:40 PM, Alan Cooper wrote:
> I'm seeing an issue on a system where I have a generic PHY that is
> used by a USB XHCI driver. The XHCI driver does the phy_init() in
> probe and the phy_exit() in remove. The problem happens when I use
> sysfs to "unload" the PHY driver before doing an unload of the XHCI
> driver. This is a result of the XHCI driver calling into the PHY
> driver's phy_exit routine after it's been removed. It seems like this
> issue will exist for other PHY provider/user pairs and I don't see an
> easy solution. I was wondering if anyone had any suggestions on how to
> solve this problem.

Can you share the crash dump please?

Thanks
Kishon

  reply	other threads:[~2019-05-21 19:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-21 18:40 Alan Cooper
2019-05-21 19:15 ` Kishon Vijay Abraham I [this message]
2019-05-22 14:03   ` Alan Cooper

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