linux-kernel - Re: [PATCH V2] PCI/portdrv: do not disable device on reboot/shutdown

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Message-ID: <800f4761ec4b917452a0383f94083731@codeaurora.org>
Date:   Fri, 25 May 2018 15:34:09 -0700
From:   okaya@...eaurora.org
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-pci@...r.kernel.org, timur@...eaurora.org, ryan@...nie.org,
        linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, stable@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Frederick Lawler <fred@...dlawl.com>,
        Dongdong Liu <liudongdong3@...wei.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        open list <linux-kernel@...r.kernel.org>,
        Don Brace <don.brace@...rosemi.com>,
        esc.storagedev@...rosemi.com, linux-scsi@...r.kernel.org
Subject: Re: [PATCH V2] PCI/portdrv: do not disable device on reboot/shutdown

On 2018-05-25 15:10, Bjorn Helgaas wrote:
> On Fri, May 25, 2018 at 09:30:59AM -0400, Sinan Kaya wrote:
>> On 5/24/2018 2:35 PM, Bjorn Helgaas wrote:
>> > That sounds like a reasonable idea, and it is definitely another can
>> > of worms.  I looked briefly at some of the .shutdown() cases:
>> 
>> should we throw it into 4.18 and see what happens?
> 
> It wouldn't solve this particular problem because hpsa *does* have a
> .shutdown() method.  The problem is that it doesn't work -- it's
> supposed to stop DMA and interrupts but it apparently doesn't.
> 
> I think we need to fix hpsa first.


Absolutely, the othet patch is a parallel issue.