Re: [PATCH] PCI: hv: Fix build error without CONFIG_SYSFS

[Yuehaibing]

Hi all,

Friendly ping...

On 2019/5/31 23:09, YueHaibing wrote:
> 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.
>