[PATCH v5 0/4] New Microsemi PCI Switch Management Driver

Keith Busch keith.busch at intel.com
Wed Mar 1 14:59:58 PST 2017


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.



More information about the Linux-nvme mailing list