From: Alexander Gordeev <agordeev@redhat.com>
Date: Thu, 13 Feb 2014 14:25:02 +0000 (+0100)
Subject: PCI/MSI: Add pci_enable_msi_exact() and pci_enable_msix_exact()
X-Git-Tag: v3.15-rc1~143^2~9^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7fc32cb2073902b3ee67d036656889ea75ffcb7;p=pandora-kernel.git

PCI/MSI: Add pci_enable_msi_exact() and pci_enable_msix_exact()

The new functions are special cases for pci_enable_msi_range() and
pci_enable_msix_range() when a particular number of MSI or MSI-X
is needed.

By contrast with pci_enable_msi_range() and pci_enable_msix_range()
functions, pci_enable_msi_exact() and pci_enable_msix_exact()
return zero in case of success, which indicates MSI or MSI-X
interrupts have been successfully allocated.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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