Staging: hv: VMBUS is a acpi enumerated device; get irq value from bios

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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>

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K. Y. Srinivasan 2011-04-29 13:45:15 -07:00 • committed by Greg Kroah-Hartman

parent ca6887fb83

commit b0069f43fc

1 changed files with 100 additions and 1 deletions

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drivers/staging/hv/vmbus_drv.c

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