Re: Regression (sort of): PCI/portdrv: Turn off PCIe services during shutdown

[okaya@xxxxxxxxxxxxxx]

On 2018-01-13 14:39, Lukas Wunner wrote:
> On Sat, Jan 13, 2018 at 12:58:53PM -0500, okaya@xxxxxxxxxxxxxx wrote:
> > I waa thinking of using nowait variant of write function in 
> > notification
> > disable function in order to not introduce new behavior for existing
> > silicon.
>
> After writing to the Slot Control register to turn off IRQ 
> notification,
> we free the IRQ with pciehp_free_irq().  If we don't wait for the 
> command
> to complete, we risk getting an interrupt after the IRQ was freed.

Yeah, that is true.