Re: linux-next: build warning after merge of the pm tree

From: Andy Shevchenko
Date: Tue Oct 15 2019 - 04:23:55 EST


On Tue, Oct 15, 2019 at 10:08:55AM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the pm tree, today's linux-next build (arm
> multi_v7_defconfig) produced this warning:
>
> In file included from include/linux/irqchip.h:14,
> from arch/arm/kernel/irq.c:26:
> include/linux/acpi.h:682:31: warning: 'struct acpi_device' declared inside parameter list will not be visible outside of this definition or declaration
> 682 | acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *uid2)
> | ^~~~~~~~~~~
>
> and many more.
>
> Introduced by commit
>
> d1748b57dc88 ("ACPI / utils: Introduce acpi_dev_hid_uid_match() helper")
>
> CONFIG_ACPI is not set for this build.

I'm puzzled. Why it builds before?

Another function has struct acpi_device *adev in its prototype and it was
before above mentioned commit.


--
With Best Regards,
Andy Shevchenko