PCI: thunder: Don't clobber read-only bits in bridge config registers

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The 32-bit addressing modes in the I/O and Prefetchable Memory registers
are required to be read-only.  Since the underlying access method allows
them to be set, emulate their read-only nature and always set them.

Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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David Daney 2016-04-11 16:29:32 -07:00 • committed by Bjorn Helgaas

parent 9735a22799

commit 93bf9073a8

1 changed files with 34 additions and 8 deletions

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drivers/pci/host/pci-thunder-pem.c

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