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[RFC,2/2] PCI: hv: Tell PCI core arch-specific sysdata is used

Message ID 20210319161956.2838291-3-boqun.feng@gmail.com (mailing list archive)
State New, archived
Headers show
Series PCI: Introduce pci_ops::use_arch_sysdata | expand

Commit Message

Boqun Feng March 19, 2021, 4:19 p.m. UTC 
Use the newly introduced ->use_arch_sysdata to tell PCI core, we still
use the arch-specific sysdata way to set up root PCI buses on
CONFIG_PCI_DOMAINS_GENERIC=y architectures, this is preparation fo
Hyper-V ARM64 guest virtual PCI support.

Signed-off-by: Boqun Feng (Microsoft) <boqun.feng@gmail.com>
---
 drivers/pci/controller/pci-hyperv.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 27a17a1e4a7c..7cfa18d8a26e 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -859,6 +859,9 @@  static int hv_pcifront_write_config(struct pci_bus *bus, unsigned int devfn,
 static struct pci_ops hv_pcifront_ops = {
 	.read  = hv_pcifront_read_config,
 	.write = hv_pcifront_write_config,
+#ifdef CONFIG_PCI_DOMAINS_GENERIC
+	.use_arch_sysdata = 1,
+#endif
 };
 
 /*