tree 9b267fa3c5d97fc9c6c65877a9d493d407258abe
parent 52179dc9edc3b7a2b3bb01cbb1b6c96f6d05fc73
author Alexander Gordeev <agordeev@redhat.com> 1388388493 +0100
committer Bjorn Helgaas <bhelgaas@google.com> 1388794675 -0700

PCI/MSI: Add pci_msi_vec_count()

Device drivers can use this interface to obtain the maximum number of MSI
interrupts the device supports and use that number, e.g., in a subsequent
call to pci_enable_msi_block().

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>