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

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Date:	Wed, 28 Sep 2011 09:39:15 +0200
From:	"Pihet-XID, Jean" <j-pihet@...com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: linux-next: build warning after merge of the moduleh tree

Hi Stephen,

On Wed, Sep 28, 2011 at 9:18 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi Paul,
>
> After merging the moduleh tree, today's linux-next build (powerepc
> ppc64_defconfig) produced this warning:
>
> drivers/base/power/qos.c:256:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:256:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:256:1: warning: parameter names (without types) in function declaration
> drivers/base/power/qos.c:301:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:301:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:301:1: warning: parameter names (without types) in function declaration
> drivers/base/power/qos.c:342:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:342:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:342:1: warning: parameter names (without types) in function declaration
> drivers/base/power/qos.c:369:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:369:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:369:1: warning: parameter names (without types) in function declaration
> drivers/base/power/qos.c:397:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:397:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:397:1: warning: parameter names (without types) in function declaration
> drivers/base/power/qos.c:412:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:412:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:412:1: warning: parameter names (without types) in function declaration
> drivers/base/power/qos.c:427:1: warning: data definition has no type or storage class
> drivers/base/power/qos.c:427:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> drivers/base/power/qos.c:427:1: warning: parameter names (without types) in function declaration
>
> Caused by commits 91ff4cb803df ("PM QoS: Implement per-device PM QoS
> constraints") and b66213cdb002 ("PM QoS: Add global notification
> mechanism for device constraints") from the pm tree interacting with the
> module.h split up.
>
> I added the following merge fixup patch.
>
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Wed, 28 Sep 2011 17:15:52 +1000
> Subject: [PATCH] PM QoS: include export.h in qos.c for EXPORT_SYMBOL
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
Thank you for fixing this. I am sorry the warning did not show up
during the OMAP and x86 builds, probably due to the different set of
includes for those platforms.

Regards,
Jean

> ---
>  drivers/base/power/qos.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
> index f9215e8..7f78682 100644
> --- a/drivers/base/power/qos.c
> +++ b/drivers/base/power/qos.c
> @@ -39,6 +39,7 @@
>  #include <linux/slab.h>
>  #include <linux/device.h>
>  #include <linux/mutex.h>
> +#include <linux/export.h>
>
>
>  static DEFINE_MUTEX(dev_pm_qos_mtx);
> --
> 1.7.6.3
>
> --
> Cheers,
> Stephen Rothwell                    sfr@...b.auug.org.au
> http://www.canb.auug.org.au/~sfr/
>
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