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PCI: Add comment about needing pci_msi_off() even when CONFIG_PCI_MSI=n
authorBjorn Helgaas <bhelgaas@google.com>
Thu, 22 Aug 2013 20:45:21 +0000 (14:45 -0600)
committerBjorn Helgaas <bhelgaas@google.com>
Thu, 22 Aug 2013 20:45:21 +0000 (14:45 -0600)
commitda27f4b3ec77a04672345381cbfeeb841d427327
treef645626cb7a383898ef405971118aa5655dfba27tree | snapshot
parent699c1985587aad3432c5ae19801efb4186db8b7acommit | diff
PCI: Add comment about needing pci_msi_off() even when CONFIG_PCI_MSI=n

Per f5f2b13129 ("msi: sanely support hardware level msi disabling"), we
want pci_msi_off() to work even if MSI support is not compiled into the
kernel, and there are existing callers that use it when CONFIG_PCI_MSI=n.
This adds a comment to that effect.

No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
drivers/pci/pci.c diff | blob | history
Domain: System / Kernel;