[PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi_cap() interface

[Bjorn Helgaas]

On Fri, Sep 20, 2013 at 07:27:36AM -0500, Tejun Heo wrote:
> On Fri, Sep 20, 2013 at 10:24:59AM +0200, Alexander Gordeev wrote:
> > * Make pci_enable_msix() return 0/-errno
> 
> My choice would be this one.

I agree; it sounds like you've identified several bugs related to the
current confusing interface, so fixing that seems like the first step.

I hope we can avoid adding a plethora of interfaces to address unusual
corner cases.  But if we do the above and it turns out not to be enough,
we can always extend it later.

Bjorn