PCI/ACPI: Add Ampere Altra SOC MCFG quirk
commit 877c1a5f upstream. Ampere Altra SOC supports only 32-bit ECAM reads. Add an MCFG quirk for the platform. Link: https://lore.kernel.org/r/1596751055-12316-1-git-send-email-tuanphan@os.amperecomputing.com Signed-off-by:Tuan Phan <tuanphan@os.amperecomputing.com> Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> [ dannf: backport drops const qualifier from pci_32b_read_ops for consistency with the other quirks that weren't yet constified in v5.4 ] Signed-off-by:
dann frazier <dann.frazier@canonical.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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