while building without CONFIG_SYSFS, fails as below:
drivers/pci/controller/pci-hyperv.o: In function 'hv_pci_assign_slots':
pci-hyperv.c:(.text+0x40a): undefined reference to 'pci_create_slot'
drivers/pci/controller/pci-hyperv.o: In function 'pci_devices_present_work':
pci-hyperv.c:(.text+0xc02): undefined reference to 'pci_destroy_slot'
drivers/pci/controller/pci-hyperv.o: In function 'hv_pci_remove':
pci-hyperv.c:(.text+0xe50): undefined reference to 'pci_destroy_slot'
drivers/pci/controller/pci-hyperv.o: In function 'hv_eject_device_work':
pci-hyperv.c:(.text+0x11f9): undefined reference to 'pci_destroy_slot'
Select SYSFS while PCI_HYPERV is set to fix this.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: a15f2c08c708 ("PCI: hv: support reporting serial number as slot information")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/pci/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 2ab9240..6722952 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -182,6 +182,7 @@ config PCI_LABEL
config PCI_HYPERV
tristate "Hyper-V PCI Frontend"
depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64
+ select SYSFS
help
The PCI device frontend driver allows the kernel to import arbitrary
PCI devices from a PCI backend to support PCI driver domains.
--
2.7.4
