PCI: pci-bridge-emul: Make expansion ROM Base Address register read-only

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If expansion ROM is unsupported (which is the case of pci-bridge-emul.c
driver) then ROM Base Address register must be implemented as read-only
register that return 0 when read, same as for unused Base Address
registers.

Link: https://lore.kernel.org/r/20211124155944.1290-2-pali@kernel.org
Fixes: 23a5fba4d9 ("PCI: Introduce PCI bridge emulated config space common logic")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org

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Pali Rohár 2021-11-24 16:59:39 +01:00 • committed by Lorenzo Pieralisi

parent fa55b7dcdc

commit 1c1a3b4d3e

1 changed files with 6 additions and 1 deletions

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drivers/pci/pci-bridge-emul.c

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