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

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Date:	Mon, 7 May 2012 11:26:37 +0300
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Anton Vorontsov <avorontsov@...mvista.com>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (battery
 tree related)

On Mon, May 07, 2012 at 05:14:58PM +1000, Stephen Rothwell wrote:
> 
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> drivers/power/smb347-charger.c: In function 'smb347_probe':
> drivers/power/smb347-charger.c:1039:2: error: implicit declaration of function 'IS_ERR' [-Werror=implicit-function-declaration]
> drivers/power/smb347-charger.c:1040:3: error: implicit declaration of function 'PTR_ERR' [-Werror=implicit-function-declaration]
> 
> Caused by commit 34298d40e585 ("smb347-charger: Convert to regmap API").

I'm unable to reproduce this on x86 build. I guess <linux/err.h> gets
included implicitly there.

Patch below should fix this. Anton, care to pick this one as well (or fold
it into the 34298d40e585 ("smb347-charger: Convert to regmap API") commit)?

From: Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH] smb347-charger: include missing <linux/err.h>

Without the include we get build errors like:

drivers/power/smb347-charger.c: In function 'smb347_probe':
drivers/power/smb347-charger.c:1039:2: error: implicit declaration of function 'IS_ERR' [-Werror=implicit-function-declaration]
drivers/power/smb347-charger.c:1040:3: error: implicit declaration of function 'PTR_ERR' [-Werror=implicit-function-declaration]

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/power/smb347-charger.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/power/smb347-charger.c b/drivers/power/smb347-charger.c
index 09d19d2..f8eedd8 100644
--- a/drivers/power/smb347-charger.c
+++ b/drivers/power/smb347-charger.c
@@ -11,6 +11,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <linux/err.h>
 #include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-- 
1.7.9.1

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