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PCI: Cache ACS capability offset in device

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Currently the ACS capability is being looked up at a number of places. Read
and store it once at enumeration so that it can be used by all later.  No
functional change intended.

Link: https://lore.kernel.org/r/20200707224604.3737893-2-rajatja@google.com
Signed-off-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Rajat Jain 2020-07-07 15:46:02 -07:00 • committed by Bjorn Helgaas
commit 52fbf5bdee
6 changed files with 24 additions and 11 deletions
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