Re: [PATCH v2 1/4] lib: move pci_iomap.c to drivers/pci/

From: Arnd Bergmann
Date: Fri Dec 01 2023 - 17:18:17 EST


On Fri, Dec 1, 2023, at 19:56, Philipp Stanner wrote:
> On Fri, 2023-12-01 at 15:43 +0100, Arnd Bergmann wrote:
>> On Fri, Dec 1, 2023, at 13:16, Philipp Stanner wrote:
>> >
>> > -#ifdef CONFIG_PCI
>> >  /**
>>
>> You should not remove the #ifdef here, it probably results in
>> a build failure when CONFIG_GENERIC_PCI_IOMAP is set and
>> GENERIC_PCI is not.
>
> CONFIG_PCI you mean.
> Yes, that results in a build failure. That's what the Intel bots have
> reminded me of subtly before, which is why I:
>
>>
>> Alternatively you could use Kconfig or Makefile logic to
>> prevent the file from being built without CONFIG_PCI.
>
> did exactly that in this very patch:
>
> @@ -14,6 +14,7 @@ ifdef CONFIG_PCI <------------
> obj-$(CONFIG_PROC_FS) += proc.o
> obj-$(CONFIG_SYSFS) += slot.o
> obj-$(CONFIG_ACPI) += pci-acpi.o
> +obj-$(CONFIG_GENERIC_PCI_IOMAP) += iomap.o <-----------
> endif

Ok, got it, looks good then.

Arnd