Staging: hv: VMBUS is a acpi enumerated device; get irq value from bios
authorK. Y. Srinivasan <kys@microsoft.com>
Fri, 29 Apr 2011 20:45:15 +0000 (13:45 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 3 May 2011 20:31:31 +0000 (13:31 -0700)
commitb0069f43fc6bc9c91f7133922ceb4e08373ff675
tree2726c40d70649b10e5ad840d55b00e49ff012cfc
parentca6887fb830371d050227f2295dba483f6a6d26b
Staging: hv: VMBUS is a acpi enumerated device; get irq value from bios

On some Windows hosts, the Linux  PCI sub-system is not
allocating irq resources to the
vmbus driver. It looks like VMBUS is an ACPI enumerated device.
Retrieve the irq information from DSDT.
Currently we use this bios specified irq, if the PCI
sub-system fails to allocate the irq.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/hv/vmbus_drv.c