[PATCH 1/2] PCI: Device driver function reset notification

[Keith Busch]

On Thu, 1 May 2014, Bjorn Helgaas wrote:
> On Thu, May 1, 2014 at 1:57 PM, Keith Busch <keith.busch at intel.com> wrote:
>> On Wed, 30 Apr 2014, Bjorn Helgaas wrote:
>>>
>>> On Tue, Apr 08, 2014 at 05:42:20PM -0600, Keith Busch wrote:
>>> You put the notify in these functions:
>>>
>>>  pci_reset_function()
>>>  pci_try_reset_function()
>>>
>>> but what about these:
>>>
>>>  pci_reset_slot()
>>>  pci_try_reset_slot()
>>>  pci_reset_bus()
>>>  pci_try_reset_bus()
>>
>>
>> Good point. These all call pci_dev_save_and_disable at the start and
>> pci_dev_restore after, so I think just adding the reset prepare/complete
>> to those functions should cover all scenarios. Does this sound ok?
>
> Sound OK to me, as long as the save/restore functions aren't used elsewhere.

Yep, there is currently 1:1 symmetry for these in all cases. I'll make
a note for any future use that the calling disabling/restore should
maintain this property.