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Date: Wed, 1 Mar 2017 17:59:58 -0500
From: Keith Busch <keith.busch@intel.com>
To: Logan Gunthorpe <logang@deltatee.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>, linux-nvme@lists.infradead.org,
        Wei Zhang <wzhang@fb.com>,
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        linux-doc@vger.kernel.org, Stephen Bates <stephen.bates@microsemi.com>,
        Myron Stowe <myron.stowe@gmail.com>,
        Kurt Schwemmer <kurt.schwemmer@microsemi.com>,
        Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH v5 0/4] New Microsemi PCI Switch Management Driver
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On Wed, Mar 01, 2017 at 03:37:03PM -0700, Logan Gunthorpe wrote:
> On 01/03/17 03:26 PM, Keith Busch wrote:
> > I think this is from using the managed device resource API to request the
> > irq actions. The scope of the resource used to be tied to the pci_dev's
> > dev, but now it's the new switchec class dev, which has a different
> > lifetime while open references exist, so it's not releasing the irq's.
> 
> The scope of the IRQ was originally tied to the pci_dev. Then in v4 I
> tied it to the switchtec device in order to try and keep using the pci
> device after unbind. This didn't work, so I switched it back to using
> the pci_dev. (This seems to be the way most drivers work anyway.)

Okay, I see. Was mistakenliy looking at v4. The v5 looks right.