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

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Message-ID: <20191015082333.GV32742@smile.fi.intel.com>
Date:   Tue, 15 Oct 2019 11:23:33 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: linux-next: build warning after merge of the pm tree

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