This patch-set addresses some of the bus/driver model cleanup that
Greg sugested over the last couple of days. In this patch-set we
deal with the following issues:
1) Cleanup unnecessary state in struct hv_device and
struct hv_driver to be compliant with the Linux
Driver model.
2) Cleanup the vmbus_match() function to conform with the
Linux Driver model.
3) Cleanup error handling in the vmbus_probe() and
vmbus_child_device_register() functions. Fixed a
bug in the probe failure path as part of this cleanup.
4) The Windows host cannot handle the vmbus_driver being
unloaded and subsequently loaded. Cleanup the driver with
this in mind.
5) Get rid of struct hv_bus that embedded struct bus_type to
conform with the LDM.
6) Add probe/remove/shutdown functions to struct hv_driver to
conform to LDM.
7) On some older Hyper-V hosts, the Linux PCI sub-sytem is not able
to allocate irq resources to the vmbus driver. I recently learnt
that the vmbus driver is an acpi enumerated device on the Hyper-V
platform. Added code to retrieve irq information from DSDT.
Regards,
K. Y
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