[RFC,v4,4/5] ARM64/PCI: Start using quirks handling for ACPI based PCI host controller

Commit Message

Tomasz Nowicki June 28, 2016, 7:54 a.m. UTC

Since there are platforms which have non-compliant ECAM space we need to
override these accessors prior to PCI buses enumeration. In order to do
that we call pci_mcfg_match_quirks() to retrieve custom
pci_config_window structure. If no correlated quirk on list, use
fully ECAM compliant generic PCI config accessors.

Signed-off-by: Tomasz Nowicki <[e-mail]>
---
 arch/arm64/kernel/pci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index addf00c..ef142b8 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -152,8 +152,7 @@  struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
 	if (!ri)
 		return NULL;
 
-	ri->cfg = pci_acpi_setup_ecam_mapping(root,
-					      &pci_generic_ecam_ops.pci_ops);
+	ri->cfg = pci_mcfg_match_quirks(root);
 	if (!ri->cfg) {
 		kfree(ri);
 		return NULL;