[PATCH] doc: add missing parameter for msi_setup

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From: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>

commit 92ca8d20dee2 ("genirq/msi: Switch to new irq spreading")
introduced new parameter to msi_init_setup and but did not update
docbook comments. Fixes 'make htmldocs' warning.

Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
---
 drivers/pci/msi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index bfdd074..ad70507 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -610,6 +610,7 @@ static int msi_verify_entries(struct pci_dev *dev)
  * msi_capability_init - configure device's MSI capability structure
  * @dev: pointer to the pci_dev data structure of MSI device function
  * @nvec: number of interrupts to allocate
+ * @affinity: flag to indicate cpu irq affinity mask should be set
  *
  * Setup the MSI capability structure of the device with the requested
  * number of interrupts.  A return value of zero indicates the successful
@@ -752,6 +753,7 @@ static void msix_program_entries(struct pci_dev *dev,
  * @dev: pointer to the pci_dev data structure of MSI-X device function
  * @entries: pointer to an array of struct msix_entry entries
  * @nvec: number of @entries
+ * @affinity: flag to indicate cpu irq affinity mask should be set
  *
  * Setup the MSI-X capability structure of device function with a
  * single MSI-X irq. A return of zero indicates the successful setup of
-- 
2.9.3

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