linux-kernel - linux-next: build failure after merge of the final tree (pm tree related)

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Message-Id: <20111222162846.51beb2e1b6b5c6ff2378ad33@canb.auug.org.au>
Date:	Thu, 22 Dec 2011 16:28:46 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: linux-next: build failure after merge of the final tree (pm tree
 related)

Hi ,

After merging the final tree, today's linux-next build (powerpc
allnoconfig) failed like this:

drivers/base/bus.o: In function `dev_pm_qos_add_ancestor_request':
bus.c:(.text+0x4c0): multiple definition of `dev_pm_qos_add_ancestor_request'
drivers/base/core.o:core.c:(.text+0x8ec): first defined here
drivers/base/dd.o: In function `dev_pm_qos_add_ancestor_request':
dd.c:(.text+0x418): multiple definition of `dev_pm_qos_add_ancestor_request'
drivers/base/core.o:core.c:(.text+0x8ec): first defined here
kernel/sysctl_binary.o: In function `dev_pm_qos_add_ancestor_request':
sysctl_binary.c:(.text+0x124): multiple definition of `dev_pm_qos_add_ancestor_request'

Caused by commit 513dcbda6199 ("PM / QoS: Introduce
dev_pm_qos_add_ancestor_request()") from the pm tree.

Please build with and without config options that protect new code ... :-(

I applied this patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 22 Dec 2011 16:22:27 +1100
Subject: [PATCH] PM / QoS: fix build problem with new
 dev_pm_qos_add_ancestor_request api

Fixes these errors:

drivers/base/bus.o: In function `dev_pm_qos_add_ancestor_request':
bus.c:(.text+0x4c0): multiple definition of `dev_pm_qos_add_ancestor_request'
drivers/base/core.o:core.c:(.text+0x8ec): first defined here
drivers/base/dd.o: In function `dev_pm_qos_add_ancestor_request':
dd.c:(.text+0x418): multiple definition of `dev_pm_qos_add_ancestor_request'
drivers/base/core.o:core.c:(.text+0x8ec): first defined here
kernel/sysctl_binary.o: In function `dev_pm_qos_add_ancestor_request':
sysctl_binary.c:(.text+0x124): multiple definition of `dev_pm_qos_add_ancestor_request'

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/linux/pm_qos.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index b4d67e5..e5bbcba 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -155,7 +155,7 @@ static inline void dev_pm_qos_constraints_destroy(struct device *dev)
 {
 	dev->power.power_state = PMSG_INVALID;
 }
-int dev_pm_qos_add_ancestor_request(struct device *dev,
+static inline int dev_pm_qos_add_ancestor_request(struct device *dev,
 				    struct dev_pm_qos_request *req, s32 value)
 			{ return 0; }
 #endif
-- 
1.7.8.197.g73c6b

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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