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[RFC,5/5] PCI: hv: Remove the dependency of pci_config_window

Message ID 20210811153619.88922-6-boqun.feng@gmail.com
State New
Headers show
Series PCI: Use the private field of pci_host_bridge for ACPI device | expand

Commit Message

Boqun Feng Aug. 11, 2021, 3:36 p.m. UTC 
The ACPI device information is now correctly set via ->private of
pci_host_bridge, therefore no need to use pci_config_window in
hv_pcibus_device, so remove it.

Note we still need an empty pci_sysdata structure for non-x86, because
it's x86-specific.

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
---
 drivers/pci/controller/pci-hyperv.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index fd3792b5edcc..f2b977ef7b84 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -448,12 +448,17 @@  enum hv_pcibus_state {
 	hv_pcibus_maximum
 };
 
+/*
+ * Defines a empty struct for non-x86 architecture, this is OK because we only
+ * use this field as an "anchor" to get back to hv_pcibus_device object on
+ * non-x86 architecture.
+ */
+#ifndef CONFIG_X86
+struct pci_sysdata { };
+#endif
+
 struct hv_pcibus_device {
-#ifdef CONFIG_X86
 	struct pci_sysdata sysdata;
-#elif defined(CONFIG_ARM64)
-	struct pci_config_window sysdata;
-#endif
 	struct pci_host_bridge *bridge;
 	struct fwnode_handle *fwnode;
 	/* Protocol version negotiated with the host */