PCI: Stop caching ATS Invalidate Queue Depth

Stop caching the Invalidate Queue Depth in struct pci_dev.
pci_ats_queue_depth() is typically called only once per device, and it
returns a fixed value per-device, so callers who need the value frequently
can cache it themselves.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Bjorn Helgaas 2015-07-20 09:24:32 -05:00
commit a71f938f3a
2 changed files with 4 additions and 6 deletions